flexbooks.ck12.org Open in urlscan Pro
2600:9000:2156:9a00:8:f05f:c540:93a1 Public Scan

Go To Rescan
Add Verdict Report

Submitted URL:
https://flexbooks.ck12.org/
Effective URL:
https://flexbooks.ck12.org/flexbooks/
Submission: On February 19 via manual (February 19th 2024, 8:43:43 am UTC) from IN — Scanned from DE

Summary HTTP 132 Redirects Links 68 Behaviour Indicators

Summary

This website contacted 16 IPs in 3 countries across 7 domains to perform 132 HTTP transactions. The main IP is 2600:9000:2156:9a00:8:f05f:c540:93a1, located in United States and belongs to AMAZON-02, US. The main domain is flexbooks.ck12.org. The Cisco Umbrella rank of the primary domain is 71312.
TLS certificate: Issued by Go Daddy Secure Certificate Authority... on December 7th 2023. Valid for: a year.

This is the only time flexbooks.ck12.org was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
1 21	2600:9000:215... 2600:9000:2156:9a00:8:f05f:c540:93a1	16509 (AMAZON-02) (AMAZON-02)
51	2600:9000:215... 2600:9000:2156:7000:8:f05f:c540:93a1	16509 (AMAZON-02) (AMAZON-02)
4	2600:9000:215... 2600:9000:2156:8600:8:f05f:c540:93a1	16509 (AMAZON-02) (AMAZON-02)
6	2600:9000:21f... 2600:9000:21f3:d400:1f:8b19:b780:93a1	16509 (AMAZON-02) (AMAZON-02)
3	18.66.122.99 18.66.122.99	() ()
3	2a00:1450:400... 2a00:1450:400c:c0a::54	15169 (GOOGLE) (GOOGLE)
5	2600:9000:264... 2600:9000:2646:8000:12:aac7:4140:93a1	16509 (AMAZON-02) (AMAZON-02)
2	2a00:1450:400... 2a00:1450:4001:80e::2008	15169 (GOOGLE) (GOOGLE)
4	2600:9000:215... 2600:9000:2156:ca00:8:f05f:c540:93a1	16509 (AMAZON-02) (AMAZON-02)
1	2600:9000:225... 2600:9000:2250:2600:14:71e4:46c0:93a1	16509 (AMAZON-02) (AMAZON-02)
1	2600:1901:0:b... 2600:1901:0:bc29::	396982 (GOOGLE-CL...) (GOOGLE-CLOUD-PLATFORM)
3	2a00:1450:400... 2a00:1450:4001:80b::200e	15169 (GOOGLE) (GOOGLE)
4	2a04:4e42::729 2a04:4e42::729	54113 (FASTLY) (FASTLY)
24	2600:9000:213... 2600:9000:2133:a400:f:a35f:3100:93a1	16509 (AMAZON-02) (AMAZON-02)
1	2001:4860:480... 2001:4860:4802:34::36	15169 (GOOGLE) (GOOGLE)
132	16

21 2600:9000:2156:9a00:8:f05f:c540:93a1 (United States) 1 redirects

ASN16509 (AMAZON-02, US)

flexbooks.ck12.org	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

51 2600:9000:2156:7000:8:f05f:c540:93a1 (United States)

ASN16509 (AMAZON-02, US)

static1.ck12.org	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools
static2.ck12.org	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

4 2600:9000:2156:8600:8:f05f:c540:93a1 (United States)

ASN16509 (AMAZON-02, US)

static3.ck12.org	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

6 2600:9000:21f3:d400:1f:8b19:b780:93a1 (United States)

ASN16509 (AMAZON-02, US)

static.ck12.org	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

3 18.66.122.99 (United States)

ASN- ()
PTR: server-18-66-122-99.fra60.r.cloudfront.net

tinymce.ck12.org	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

3 2a00:1450:400c:c0a::54 (Brussels, Belgium)

ASN15169 (GOOGLE, US)

accounts.google.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

5 2600:9000:2646:8000:12:aac7:4140:93a1 (United States)

ASN16509 (AMAZON-02, US)

d3lkjnwva6z405.cloudfront.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2a00:1450:4001:80e::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

www.googletagmanager.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

4 2600:9000:2156:ca00:8:f05f:c540:93a1 (United States)

ASN16509 (AMAZON-02, US)

www.ck12.org	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2600:9000:2250:2600:14:71e4:46c0:93a1 (United States)

ASN16509 (AMAZON-02, US)

capi.ck12.org	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2600:1901:0:bc29:: (Kansas City, United States)

ASN396982 (GOOGLE-CLOUD-PLATFORM, US)

cdn.mxpnl.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

3 2a00:1450:4001:80b::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

www.google-analytics.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

4 2a04:4e42::729 (United States)

ASN54113 (FASTLY, US)

js.sentry-cdn.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools
browser.sentry-cdn.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

24 2600:9000:2133:a400:f:a35f:3100:93a1 (United States)

ASN16509 (AMAZON-02, US)

dr282zn36sxxg.cloudfront.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2001:4860:4802:34::36 (United States)

ASN15169 (GOOGLE, US)

region1.google-analytics.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
90	ck12.org 1 redirects flexbooks.ck12.org — Cisco Umbrella Rank: 71312 static1.ck12.org — Cisco Umbrella Rank: 76644 static2.ck12.org — Cisco Umbrella Rank: 73757 static3.ck12.org — Cisco Umbrella Rank: 83179 static.ck12.org — Cisco Umbrella Rank: 71631 tinymce.ck12.org — Cisco Umbrella Rank: 77754 www.ck12.org — Cisco Umbrella Rank: 56055 capi.ck12.org — Cisco Umbrella Rank: 84122	1 MB
29	cloudfront.net d3lkjnwva6z405.cloudfront.net dr282zn36sxxg.cloudfront.net	1 MB
4	sentry-cdn.com js.sentry-cdn.com — Cisco Umbrella Rank: 6543 browser.sentry-cdn.com — Cisco Umbrella Rank: 5392	59 KB
4	google-analytics.com www.google-analytics.com — Cisco Umbrella Rank: 45 region1.google-analytics.com — Cisco Umbrella Rank: 2000	22 KB
3	google.com accounts.google.com — Cisco Umbrella Rank: 30	81 KB
2	googletagmanager.com www.googletagmanager.com — Cisco Umbrella Rank: 52	210 KB
1	mxpnl.com cdn.mxpnl.com — Cisco Umbrella Rank: 4189	19 KB
132	7

	Domain	Requested by
46	static2.ck12.org	flexbooks.ck12.org static3.ck12.org static1.ck12.org static2.ck12.org
24	dr282zn36sxxg.cloudfront.net	flexbooks.ck12.org
21	flexbooks.ck12.org	1 redirects flexbooks.ck12.org static3.ck12.org static2.ck12.org
6	static.ck12.org	flexbooks.ck12.org static2.ck12.org
5	d3lkjnwva6z405.cloudfront.net	flexbooks.ck12.org d3lkjnwva6z405.cloudfront.net
5	static1.ck12.org	flexbooks.ck12.org
4	www.ck12.org	static.ck12.org flexbooks.ck12.org
4	static3.ck12.org	flexbooks.ck12.org
3	www.google-analytics.com	www.googletagmanager.com www.google-analytics.com browser.sentry-cdn.com
3	accounts.google.com	flexbooks.ck12.org accounts.google.com
3	tinymce.ck12.org	flexbooks.ck12.org tinymce.ck12.org
2	browser.sentry-cdn.com	js.sentry-cdn.com
2	js.sentry-cdn.com	www.googletagmanager.com
2	www.googletagmanager.com	flexbooks.ck12.org www.googletagmanager.com
1	region1.google-analytics.com	www.googletagmanager.com
1	cdn.mxpnl.com	flexbooks.ck12.org
1	capi.ck12.org	flexbooks.ck12.org
132	17

This site contains links to these domains. Also see Links.

Domain
www.ck12.org
ck12support.zendesk.com
interactives.ck12.org
www.ck12info.org
status.ck12.org
ck12foundation.medium.com
help.ck12.org
www.facebook.com
twitter.com
www.linkedin.com
www.pinterest.com

Subject Issuer	Validity	Valid
*.ck12.org Go Daddy Secure Certificate Authority - G2	`2023-12-07` - `2025-01-07`	a year	crt.sh
accounts.google.com GTS CA 1C3	`2024-01-29` - `2024-04-22`	3 months	crt.sh
*.cloudfront.net Amazon RSA 2048 M01	`2023-10-10` - `2024-09-19`	a year	crt.sh
*.google-analytics.com GTS CA 1C3	`2024-01-29` - `2024-04-22`	3 months	crt.sh
*.mxpnl.com GeoTrust TLS RSA CA G1	`2023-07-12` - `2024-08-11`	a year	crt.sh
*.sentry-cdn.com GlobalSign Atlas R3 DV TLS CA 2023 Q3	`2023-08-01` - `2024-09-01`	a year	crt.sh

This page contains 1 frames:

Primary Page: https://flexbooks.ck12.org/flexbooks/
Frame ID: 5D6626530494EA7BF7F1BA61B7C7191C
Requests: 139 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

K-12 FlexBooks | CK-12 Foundation

Page URL History Show full URLs

https://flexbooks.ck12.org/ HTTP 301
https://flexbooks.ck12.org/flexbooks/ Page URL

Detected technologies

Google Sign-in (Social logins) Expand

Overall confidence: 100%
Detected patterns

accounts\.google\.com/gsi/client

MathJax (JavaScript Graphics) Expand

Overall confidence: 100%
Detected patterns

([\d.]+)?/mathjax\.js

RequireJS (JavaScript Frameworks) Expand

Overall confidence: 100%
Detected patterns

require.*\.js

Google Analytics (Analytics) Expand

Overall confidence: 100%
Detected patterns

google-analytics\.com/(?:ga|urchin|analytics)\.js

Google Tag Manager (Tag Managers) Expand

Overall confidence: 100%
Detected patterns

googletagmanager\.com/gtm\.js
googletagmanager\.com/gtag/js

Page Statistics

132
Requests

100 %
HTTPS

93 %
IPv6

7
Domains

17
Subdomains

16
IPs

3
Countries

2695 kB
Transfer

4925 kB
Size

10
Cookies

68 Outgoing links

These are links going to different origins than the main page.

URL: https://www.ck12.org/

Search URL Search Domain Scan URL

URL: https://ck12support.zendesk.com/hc/en-us/articles/8034176909723-Which-FlexBook-Is-Right-for-Me-
Title: What's the difference?

Search URL Search Domain Scan URL

URL: https://www.ck12.org/elementary-science/
Title: Grade K to 5

Search URL Search Domain Scan URL

URL: https://www.ck12.org/pages/flexlets/#math
Title: Math FlexLets

Search URL Search Domain Scan URL

URL: https://www.ck12.org/pages/flexlets/#science
Title: Science FlexLets

Search URL Search Domain Scan URL

URL: https://www.ck12.org/c/writing/
Title: Writing

Search URL Search Domain Scan URL

URL: https://www.ck12.org/c/spelling/
Title: Spelling

Search URL Search Domain Scan URL

URL: https://www.ck12.org/fbbrowse/list/?Subject=History&Grade=All%20Grades&Language=All%20Languages
Title: History

Search URL Search Domain Scan URL

URL: https://www.ck12.org/c/astronomy/
Title: Astronomy

Search URL Search Domain Scan URL

URL: https://www.ck12.org/c/engineering/
Title: Engineering

Search URL Search Domain Scan URL

URL: https://www.ck12.org/c/health/
Title: Health

Search URL Search Domain Scan URL

URL: https://www.ck12.org/fbbrowse/list?Language=All%20Languages&Subject=Photography&Grade=All%20Grades
Title: Photography

Search URL Search Domain Scan URL

URL: https://www.ck12.org/c/technology/
Title: Technology

Search URL Search Domain Scan URL

URL: https://www.ck12.org/pages/adult-education/#adult-basic-education
Title: Basic Education

Search URL Search Domain Scan URL

URL: https://www.ck12.org/pages/adult-education/#high-school-diploma
Title: High School Diploma

Search URL Search Domain Scan URL

URL: https://www.ck12.org/pages/adult-education/#high-school-equivalency
Title: High School Equivalency

Search URL Search Domain Scan URL

URL: https://www.ck12.org/pages/adult-education/#career-technical-education
Title: Career Technical Ed

Search URL Search Domain Scan URL

URL: https://www.ck12.org/pages/adult-education/#ESL
Title: English as 2nd Language

Search URL Search Domain Scan URL

URL: https://www.ck12.org/chile/
Title: Chile

Search URL Search Domain Scan URL

URL: https://www.ck12.org/brasil/
Title: Brasil

Search URL Search Domain Scan URL

URL: https://www.ck12.org/cbse/
Title: India

Search URL Search Domain Scan URL

URL: https://www.ck12.org/georgia
Title: Georgia

Search URL Search Domain Scan URL

URL: https://www.ck12.org/fbbrowse/list?Language=Spanish&Subject=All%20Subjects&Grade=All%20Grades
Title: Spanish

Search URL Search Domain Scan URL

URL: https://interactives.ck12.org/simulations/physics.html?lang=ko
Title: Korean

Search URL Search Domain Scan URL

URL: https://interactives.ck12.org/simulations/physics.html?lang=de
Title: Deutsch

Search URL Search Domain Scan URL

URL: https://interactives.ck12.org/simulations/physics.html?lang=zh-TW
Title: Chinese

Search URL Search Domain Scan URL

URL: https://interactives.ck12.org/simulations/physics.html?lang=EL
Title: Greek

Search URL Search Domain Scan URL

URL: https://interactives.ck12.org/simulations/physics.html?lang=pl
Title: Polski

Search URL Search Domain Scan URL

URL: https://www.ck12.org/flexi/
Title: FlexiA FREE Digital Tutor for Every Student

Search URL Search Domain Scan URL

URL: https://www.ck12.org/fbbrowse/
Title: FlexBooksCustomizable, digital textbooks

Search URL Search Domain Scan URL

URL: https://www.ck12.org/schools/
Title: SchoolsFlexBooks from schools and districts near you

Search URL Search Domain Scan URL

URL: https://www.ck12.org/study-guides/
Title: Study GuidesQuick review with key information for each concept

Search URL Search Domain Scan URL

URL: https://www.ck12.org/assessment/ui/browse/practice/
Title: Adaptive PracticeBuilding knowledge at each student’s skill level

Search URL Search Domain Scan URL

URL: https://interactives.ck12.org/simulations/
Title: SimulationsInteractive Physics & Chemistry Simulations

Search URL Search Domain Scan URL

URL: https://interactives.ck12.org/plix/
Title: PLIXPlay. Learn. Interact. eXplore.

Search URL Search Domain Scan URL

URL: https://www.ck12.org/ccss/
Title: CCSS MathConcepts and FlexBooks aligned to Common Core

Search URL Search Domain Scan URL

URL: https://www.ck12.org/ngss/
Title: NGSSConcepts aligned to Next Generation Science Standards

Search URL Search Domain Scan URL

URL: https://www.ck12info.org/certifiededucator/
Title: Certified EducatorStand out as an educator. Become CK-12 Certified.

Search URL Search Domain Scan URL

URL: https://www.ck12info.org/ck12-webinars/
Title: WebinarsLive and archived sessions to learn about CK-12

Search URL Search Domain Scan URL

URL: https://www.ck12.org/pages/overview/
Title: CK-12 Resources

Search URL Search Domain Scan URL

URL: https://www.ck12.org/conceptmap/
Title: Concept Map

Search URL Search Domain Scan URL

URL: https://www.ck12info.org/testimonials/
Title: Testimonials

Search URL Search Domain Scan URL

URL: https://www.ck12.org/pages/mission/
Title: CK-12 Mission

Search URL Search Domain Scan URL

URL: https://www.ck12info.org/team/
Title: Meet the Team

Search URL Search Domain Scan URL

URL: https://ck12support.zendesk.com/hc/en-us
Title: CK-12 Helpdesk

Search URL Search Domain Scan URL

URL: https://www.ck12.org/pages/flexlets/
Title: Pick a Subject

Search URL Search Domain Scan URL

URL: https://www.ck12info.org/about/donate/?source=ck12_top_nav
Title: Donate

Search URL Search Domain Scan URL

URL: https://www.ck12info.org/about/fbbrowse/
Title: Browse FlexBooks

Search URL Search Domain Scan URL

URL: https://www.ck12info.org/partners/
Title: Partners

Search URL Search Domain Scan URL

URL: https://www.ck12info.org/press/
Title: Press

Search URL Search Domain Scan URL

URL: https://www.ck12info.org/careers/
Title: Careers

Search URL Search Domain Scan URL

URL: https://status.ck12.org/
Title: Status

Search URL Search Domain Scan URL

URL: https://www.ck12info.org/security/
Title: Security

Search URL Search Domain Scan URL

URL: https://ck12foundation.medium.com/
Title: Blog

Search URL Search Domain Scan URL

URL: https://www.ck12.org/map/
Title: CK-12 Usage Map

Search URL Search Domain Scan URL

URL: https://www.ck12.org/pages/certified-trainer/
Title: Certified Trainer

Search URL Search Domain Scan URL

URL: https://www.ck12info.org/contact-us/
Title: Contact Us

Search URL Search Domain Scan URL

URL: https://www.ck12.org/college/
Title: College FlexBooks

Search URL Search Domain Scan URL

URL: https://www.ck12info.org/tools-and-apps/
Title: Tools and Apps

Search URL Search Domain Scan URL

URL: https://help.ck12.org/hc/en-us/articles/204655064-Content-in-Languages-Other-Than-English
Title: How do I translate this page?

Search URL Search Domain Scan URL

URL: https://www.facebook.com/CK12Foundation

Search URL Search Domain Scan URL

URL: https://twitter.com/CK12Foundation

Search URL Search Domain Scan URL

URL: https://www.linkedin.com/company/75810

Search URL Search Domain Scan URL

URL: http://www.pinterest.com/ck12foundation/

Search URL Search Domain Scan URL

URL: https://www.ck12info.org/terms-of-use/
Title: Terms of Use

Search URL Search Domain Scan URL

URL: https://www.ck12info.org/privacy-policy/
Title: Privacy

Search URL Search Domain Scan URL

URL: https://www.ck12.org/pages/attribution-guidelines/
Title: Attribution Guide

Search URL Search Domain Scan URL

URL: https://www.ck12info.org/curriculum-materials-license/

Search URL Search Domain Scan URL

Page URL History

This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.

https://flexbooks.ck12.org/ HTTP 301
https://flexbooks.ck12.org/flexbooks/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

132 HTTP transactions
9 data transactions

Method
Protocol Status Resource
Path Size
x-fer Time
Latency Type
MIME-Type IP
Location

GET
H2

200

Primary Request / Show response
flexbooks.ck12.org/flexbooks/
Redirect Chain

https://flexbooks.ck12.org/
https://flexbooks.ck12.org/flexbooks/

8 KB
4 KB

327ms
327ms

Document
text/html

2600:9000:2156:9a00:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://flexbooks.ck12.org/flexbooks/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2600:9000:2156:9a00:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

Apache/2.4.41 (Ubuntu) /

Resource Hash

2eb61b3772b39c5213fb6f4ec2432e957070a956d512f6bd7ccef19636abf916

Security Headers

Name	Value
Content-Security-Policy	frame-ancestors 'self' https://*.ck12.org; report-uri https://csp-report.ck12.org; report-to ck12-csp-endpoint;
Strict-Transport-Security	max-age=31536000; includeSubDomains; preload
X-Content-Type-Options	nosniff

Request headers

Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36
accept-language: de-DE,de;q=0.9

Response headers

alt-svc: h3=":443"; ma=86400
content-encoding: gzip
content-length: 3007
content-security-policy: frame-ancestors 'self' https://*.ck12.org; report-uri https://csp-report.ck12.org; report-to ck12-csp-endpoint;
content-type: text/html; charset=utf-8
date: Mon, 19 Feb 2024 08:43:38 GMT
referrer-policy: strict-origin-when-cross-origin
report-to: { "group": "ck12-csp-endpoint","max_age": 86400,"endpoints": [{ "url": " https://csp-report.ck12.org" }] }
reporting-endpoints: ck12-csp-endpoint="https://csp-report.ck12.org"
server: Apache/2.4.41 (Ubuntu)
strict-transport-security: max-age=31536000; includeSubDomains; preload
vary: Accept-Encoding
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
x-amz-cf-id: A-FTY6IOUfSUN58h4sw_36xa88vqUkSdcKqmhshdWXC3FFcaowlPlg==
x-amz-cf-pop: FRA50-C1
x-cache: Miss from cloudfront
x-content-type-options: nosniff

Redirect headers

alt-svc: h3=":443"; ma=86400
content-length: 0
content-security-policy: frame-ancestors 'self' https://*.ck12.org; report-uri https://csp-report.ck12.org; report-to ck12-csp-endpoint;
date: Mon, 19 Feb 2024 08:43:38 GMT
location: https://flexbooks.ck12.org/flexbooks/
referrer-policy: strict-origin-when-cross-origin
report-to: { "group": "ck12-csp-endpoint","max_age": 86400,"endpoints": [{ "url": " https://csp-report.ck12.org" }] }
reporting-endpoints: ck12-csp-endpoint="https://csp-report.ck12.org"
server: CloudFront
strict-transport-security: max-age=31536000; includeSubDomains; preload
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
x-amz-cf-id: Sx_ZoHeyTVqEhbnDkaV3QJVLfbxdrkPNbn4rxWUMbldbLYrcF76KVw==
x-amz-cf-pop: FRA50-C1
x-cache: Miss from cloudfront
x-content-type-options: nosniff

GET
H2 200 main.css
static1.ck12.org/media/build-20240207081958/course-book-app/dist/ 3 KB
2 KB 89ms
9ms Stylesheet
text/css 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static1.ck12.org/media/build-20240207081958/course-book-app/dist/main.css
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: a049f365af6a7bdfbedd9ea900578b8851a1bcc3cc80dd7d5225c08d857e4011

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:19 GMT
content-encoding: gzip
via: 1.1 fb8c0300277bd0137c1693d3d64ab550.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:38 GMT
server: AmazonS3
x-amz-cf-pop: FRA50-C1
age: 1032140
etag: W/"7ea5c576543e4295ac38eb3d96f21382"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: text/css
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: 3vVrbAYCxyeCvTXA3P7oulJsRUZt_wGsrDCqSAfL7Xo2lO-xLL1xGQ==

GET
H2 200 bold.woff
static2.ck12.org/media/build-20240207081958/common/font/proximanova/ 60 KB
61 KB 90ms
10ms Font
font/woff 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20240207081958/common/font/proximanova/bold.woff
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 71e53ac78cfb364236c83419dd9c78378b2ce5ccdd4ee6f61e393049a78470f5

Request headers

Referer: https://flexbooks.ck12.org/
Origin: https://flexbooks.ck12.org
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:56 GMT
via: 1.1 fb8c0300277bd0137c1693d3d64ab550.cloudfront.net (CloudFront)
x-amz-cf-pop: FRA50-C1
age: 1032103
x-cache: Hit from cloudfront
alt-svc: h3=":443"; ma=86400
content-length: 61516
last-modified: Wed, 07 Feb 2024 09:54:30 GMT
server: AmazonS3
etag: "3a41c9a84e5e49797a99f0a2e2872c89"
vary: Origin
access-control-allow-methods: GET, HEAD
content-type: font/woff
access-control-allow-origin: https://flexbooks.ck12.org
cache-control: max-age=31536000
access-control-allow-credentials: true
x-amz-cf-id: kBzKGkr5V6iEsZYwkhx-ZPaxnFguIh20YbpA1pu2V06wkOmSqMRZqg==

GET
H2 200 semi_bold.woff2
static2.ck12.org/media/build-20240207081958/common/font/proximanova/ 53 KB
53 KB 99ms
19ms Font
font/woff2 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20240207081958/common/font/proximanova/semi_bold.woff2
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: b2881f6c524741fae98e8a107ae29d994ec66c10dbacb7b618b9be4e8a8c80aa

Request headers

Referer: https://flexbooks.ck12.org/
Origin: https://flexbooks.ck12.org
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:56 GMT
via: 1.1 fb8c0300277bd0137c1693d3d64ab550.cloudfront.net (CloudFront)
x-amz-cf-pop: FRA50-C1
age: 1032103
x-cache: Hit from cloudfront
alt-svc: h3=":443"; ma=86400
content-length: 54105
last-modified: Wed, 07 Feb 2024 09:54:30 GMT
server: AmazonS3
etag: "eb7c5334ed3c8b175e89f4d43dfe7ddb"
vary: Origin
access-control-allow-methods: GET, HEAD
content-type: font/woff2
access-control-allow-origin: https://flexbooks.ck12.org
cache-control: max-age=31536000
access-control-allow-credentials: true
x-amz-cf-id: gux5SL309I1t3pZlOniQ2LmFZbq8P88PGgofYYNtJpyMaSJdkOfaOQ==

GET
H2 200 regular.woff
static2.ck12.org/media/build-20240207081958/common/font/proximanova/ 70 KB
70 KB 103ms
23ms Font
font/woff 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20240207081958/common/font/proximanova/regular.woff
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 14c5612112845b8a43dc3c3afb74b89a69d7eba26bc089b69e4e168e54064850

Request headers

Referer: https://flexbooks.ck12.org/
Origin: https://flexbooks.ck12.org
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:43 GMT
via: 1.1 fb8c0300277bd0137c1693d3d64ab550.cloudfront.net (CloudFront)
x-amz-cf-pop: FRA50-C1
age: 1032116
x-cache: Hit from cloudfront
alt-svc: h3=":443"; ma=86400
content-length: 71634
last-modified: Wed, 07 Feb 2024 09:54:30 GMT
server: AmazonS3
etag: "12a5ca82df67c7968aa4e516a7094d1f"
vary: Origin
access-control-allow-methods: GET, HEAD
content-type: font/woff
access-control-allow-origin: https://flexbooks.ck12.org
cache-control: max-age=31536000
access-control-allow-credentials: true
x-amz-cf-id: hpypakiA54R8P_0DQ3T4fzcAfhNL4-EHQHZY3m_AZLhVThmprflrjg==

GET
H3 200 buildnumber.js Show response
flexbooks.ck12.org/media/ 543 B
839 B 11ms
11ms Script
application/javascript 2600:9000:2156:9a00:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://flexbooks.ck12.org/media/buildnumber.js
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:9a00:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: f80a92d315ef5362593ec6d87a41394c8a28e7a271ad32a4a32a318ba89911e9

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/flexbooks/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Mon, 19 Feb 2024 08:41:14 GMT
via: 1.1 9c7c26f5beeb09381cea450ea3581b36.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 10:01:09 GMT
server: AmazonS3
age: 229
x-amz-cf-pop: FRA50-C1
etag: "d24670a680760a3b31c0e9a55e7553a1"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=300
alt-svc: h3=":443"; ma=86400
content-length: 543
x-amz-cf-id: p9e-HNhPiPu8jTkpuD-T8ksxGWswUZhnWrKtKNwzZ94-aVbMaybKYw==

GET
H2 200 outdatedbrowser.js Show response
static3.ck12.org/media/build-20240207081958/outdatedbrowser/ 2 KB
1 KB 90ms
10ms Script
application/javascript 2600:9000:2156:8600:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static3.ck12.org/media/build-20240207081958/outdatedbrowser/outdatedbrowser.js
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2156:8600:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 632028315c548d511fadb2af146350fe124211b65e5eecf88a680126b29587a2

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:19 GMT
content-encoding: gzip
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:55:00 GMT
server: AmazonS3
x-amz-cf-pop: FRA50-C1
age: 1032140
etag: W/"3808cc8766df216091d90bf0d585e0fa"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: r-a4Oe4vlArHVx_JbLzL3d_Ngzlwn5tCSocyH8BSRhwJusdmZEO_jA==

GET
H2 200 lcpimage.png
static.ck12.org/common/lcp/ 16 KB
16 KB 77ms
9ms Image
image/png 2600:9000:21f3:d400:1f:8b19:b780:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://static.ck12.org/common/lcp/lcpimage.png
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:21f3:d400:1f:8b19:b780:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: d94aa79007f85d0a9d2b77a355ef9308d3bd355991f27138b8d382fdb5d31d94

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

x-amz-version-id: qpsV6pN8dzDPd6sq.WuCV1FQBpOpRclp
date: Mon, 19 Feb 2024 08:41:14 GMT
via: 1.1 eb1a8c1b1275e33a016e623478052110.cloudfront.net (CloudFront)
last-modified: Thu, 04 Jan 2024 11:59:32 GMT
server: AmazonS3
x-amz-cf-pop: FRA2-C2
age: 218
x-amz-server-side-encryption: AES256
etag: "637aa021ce85785ca5842e8c5b706be4"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: image/png
accept-ranges: bytes
content-length: 16189
x-amz-cf-id: 3be5U0QZIiZJaReZQlDAsBGon1mahjW2U3Opc97i5fCyVVR_V348Ow==

GET
H2 200 tinymce-loader.js Show response
tinymce.ck12.org/ 1 KB
927 B 152ms
25ms Script
text/javascript 18.66.122.99

General

Check archive.org

Show headers Download Go to

Full URL: https://tinymce.ck12.org/tinymce-loader.js
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 18.66.122.99 , United States, ASN (),
Reverse DNS: server-18-66-122-99.fra60.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: b3e585ef00af2972161120bfafb58187e40191f858d804502800020ef4c5f3c8

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Mon, 19 Feb 2024 08:43:38 GMT
content-encoding: br
via: 1.1 d71acb203a3e8fc7db2c1cf9725d51da.cloudfront.net (CloudFront)
last-modified: Wed, 25 Oct 2023 10:24:11 GMT
server: AmazonS3
x-amz-cf-pop: FRA60-P2
age: 29
x-amz-server-side-encryption: AES256
etag: W/"6d2d199c0f68b8670305b070b426b913"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: text/javascript
cache-control: max-age=300
x-amz-cf-id: A09I_NFt7e5CJVx0hN4uwIAHJtp8DDkYQFq1UfBTpD7QN74ZM2ClzA==

GET
H2 200 client Show response
accounts.google.com/gsi/ 208 KB
80 KB 69ms
32ms Script
application/javascript 2a00:1450:400c:c0a::54
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://accounts.google.com/gsi/client

Requested by

Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:400c:c0a::54 Brussels, Belgium, ASN15169 (GOOGLE, US),

Reverse DNS

Software

ESF /

Resource Hash

4239bbf75dceef4ae5c4cf203d0cbdf5f79dbee2c01fe939a7e5e7a0f2685fa8

Security Headers

Name	Value
Content-Security-Policy	script-src 'report-sample' 'nonce-01M7nQ_CIw4TVKBmKz12hw' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';object-src 'none';base-uri 'self';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http, require-trusted-types-for 'script';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http
X-Content-Type-Options	nosniff
X-Frame-Options	SAMEORIGIN
X-Xss-Protection	0

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Mon, 19 Feb 2024 08:43:38 GMT
content-security-policy: script-src 'report-sample' 'nonce-01M7nQ_CIw4TVKBmKz12hw' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';object-src 'none';base-uri 'self';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http, require-trusted-types-for 'script';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http
content-encoding: gzip
x-content-type-options: nosniff
server: ESF
x-frame-options: SAMEORIGIN
report-to: {"group":"coop_dd7de8473bddc59c6b748810a67a39b1","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/dd7de8473bddc59c6b748810a67a39b1"}]}
content-type: application/javascript; charset=utf-8
cache-control: private, max-age=1800
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
x-xss-protection: 0
cross-origin-opener-policy-report-only: same-origin; report-to="coop_dd7de8473bddc59c6b748810a67a39b1"
expires: Mon, 19 Feb 2024 08:43:38 GMT

GET
H2 200 dexterjs.min.js Show response
static2.ck12.org/media/build-20240207081958/dexterjs/ 147 KB
42 KB 29ms
13ms Script
application/javascript 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20240207081958/dexterjs/dexterjs.min.js
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: e3383fbd712c11c0db73f8e6a3b50292ccaaac1b763cc319b7f33573874d8e5b

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:19 GMT
content-encoding: gzip
via: 1.1 b44e2902bb3501d47514e51618f1bda4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:39 GMT
server: AmazonS3
x-amz-cf-pop: FRA50-C1
age: 1032140
etag: W/"caf082e825b693ef29b5a45b52671ac7"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: TxLf_BmZj4_eZkQcVJZjLtMY7tr0cRupBO_za29yx3L8MrI2PXoOIQ==

GET
H2 200 MathJax.js Show response
d3lkjnwva6z405.cloudfront.net/MathJax-2.7.2/ 62 KB
19 KB 55ms
8ms Script
application/javascript 2600:9000:2646:8000:12:aac7:4140:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d3lkjnwva6z405.cloudfront.net/MathJax-2.7.2/MathJax.js?config=TeX-AMS-MML_SVG
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2646:8000:12:aac7:4140:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 7c2b61de9d81e1c64cce5afb3858b39a8e5191d2401c9e2f387a44ec568d711f

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Sun, 21 Jan 2024 07:09:05 GMT
x-amz-version-id: XHy6jCooEgvNGF3pO3VekSgyWoLeizRM
content-encoding: gzip
last-modified: Mon, 29 Jan 2018 21:41:21 GMT
server: AmazonS3
via: 1.1 69a82a9746d3a7343dca651e0829f000.cloudfront.net (CloudFront)
x-amz-cf-pop: FRA60-P5
etag: W/"359b9c63cb3ba43384b2995e5699a63f"
age: 2511273
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
x-amz-cf-id: pGiJfYE4PnWs5lSy_Mds6PmP4R1kF83wdn8PlZLiFFyVm5YvSCPCnA==

GET
H2 200 vendors.js Show response
static3.ck12.org/media/build-20240207081958/course-book-app/dist/ 65 KB
19 KB 27ms
25ms Script
application/javascript 2600:9000:2156:8600:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static3.ck12.org/media/build-20240207081958/course-book-app/dist/vendors.js
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2156:8600:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 1875f5d12b4e556e924efcc5998cd19cdf5dd9f9c48652a75a68f4aa9a19d334

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:20 GMT
content-encoding: gzip
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:38 GMT
server: AmazonS3
x-amz-cf-pop: FRA50-C1
age: 1032139
etag: W/"d7fed663c5003208dcdd8e9549480142"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: L6d1k7KyPFku1766cdVtFtvS6q-thDAj_8mPk2qQKO3JICWKu2rigQ==

GET
H2 200 main.js Show response
static3.ck12.org/media/build-20240207081958/course-book-app/dist/ 278 KB
88 KB 15ms
14ms Script
application/javascript 2600:9000:2156:8600:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static3.ck12.org/media/build-20240207081958/course-book-app/dist/main.js
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2156:8600:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 1aac642e918980c3cc19e24427ca0e60ae74409403ca4d68dd0e8bc401ebadc9

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:20 GMT
content-encoding: gzip
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:38 GMT
server: AmazonS3
x-amz-cf-pop: FRA50-C1
age: 1032139
etag: W/"7e0ed984699c2d47a33726c2a9b2a160"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: Bx6xVhaVcuk039Juc3exDeRq1bIEGLdjMaqRPZqGDjqLEMsyRvlZGg==

GET
H2 200 require.js Show response
static1.ck12.org/media/build-20240207081958/lib/ 14 KB
6 KB 13ms
12ms Script
application/javascript 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static1.ck12.org/media/build-20240207081958/lib/require.js
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 769638ff7c0df5973591a3aedf0f62deded02cb3adf7943f1e43d2789db770f8

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:20 GMT
content-encoding: gzip
via: 1.1 fb8c0300277bd0137c1693d3d64ab550.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:58 GMT
server: AmazonS3
x-amz-cf-pop: FRA50-C1
age: 1032139
etag: W/"3d2d2d94c16eb878535dbfd4cdb8bf7e"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: 4Tq2EK5fZlhW65Bn_eQZzKEzjl88Sr8xfrl-tgo-SEt7F45pzUMweg==

GET
H2 200 main.js Show response
static.ck12.org/licenceDialog/v1.0.10/ 67 KB
21 KB 8ms
7ms Script
application/javascript 2600:9000:21f3:d400:1f:8b19:b780:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static.ck12.org/licenceDialog/v1.0.10/main.js
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:21f3:d400:1f:8b19:b780:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: ebf1b9399fb3be6389e66e775daa1f86d8d6e52b99fd1de370b0a9a2afbbff98

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Mon, 19 Feb 2024 06:50:12 GMT
x-amz-version-id: x4IG73_L5UHVF.PQUM3w3T_Qg6w6FJTn
content-encoding: gzip
last-modified: Fri, 30 Jul 2021 09:07:00 GMT
server: AmazonS3
via: 1.1 eb1a8c1b1275e33a016e623478052110.cloudfront.net (CloudFront)
x-amz-cf-pop: FRA2-C2
etag: W/"7560a593a2d22739c16052f70bb7accb"
age: 6807
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
x-amz-cf-id: MtqA0KZQ24BZgXy0GBGsqOOwYd2UoSLpP1KrH0QxdXfflBItgasCwQ==

GET
H2 200 main.js Show response
static3.ck12.org/media/build-20240207081958/i18nWidget/lib/ 16 KB
5 KB 11ms
10ms Script
application/javascript 2600:9000:2156:8600:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static3.ck12.org/media/build-20240207081958/i18nWidget/lib/main.js
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2156:8600:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: aba66636849ed594018d741ad10a9fada9305720017223f10edcf56010e53750

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:20 GMT
content-encoding: gzip
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:42 GMT
server: AmazonS3
x-amz-cf-pop: FRA50-C1
age: 1032139
etag: W/"be4764d37ca7dec49b9cbd376b2ad416"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: g_zKltCvtRY6WVx-Sqhbq8TR6pImNIHwe3BvTdrhHO0Hm4Va3srljA==

GET
H2 200 templates.min.css
tinymce.ck12.org/v2.0.0-patch5/skins/content/CK12-green/ 7 KB
2 KB 8ms
7ms Stylesheet
text/css 18.66.122.99

General

Check archive.org

Show headers Download Go to

Full URL: https://tinymce.ck12.org/v2.0.0-patch5/skins/content/CK12-green/templates.min.css
Requested by: Host: tinymce.ck12.org
URL: https://tinymce.ck12.org/tinymce-loader.js
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 18.66.122.99 , United States, ASN (),
Reverse DNS: server-18-66-122-99.fra60.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: 7d44206793952231f5b62ff2aa3f84876e77a0c59863266e7ee9713b90c64665

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Sun, 18 Feb 2024 09:45:46 GMT
content-encoding: gzip
via: 1.1 d71acb203a3e8fc7db2c1cf9725d51da.cloudfront.net (CloudFront)
last-modified: Wed, 25 Oct 2023 10:24:06 GMT
server: AmazonS3
x-amz-cf-pop: FRA60-P2
age: 84906
x-amz-server-side-encryption: AES256
etag: W/"136a38bf50f37ca91ad76e7cbcbafd2c"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: text/css
x-amz-cf-id: 3lhV6N0KF5RsPqIZsDha4R1EGE7jDovx2MkgKJ9eCt3o0YLRoovmYA==

GET
H2 200 contentHelpers.js Show response
tinymce.ck12.org/v2.0.0-patch5/ 416 B
782 B 8ms
8ms Script
text/javascript 18.66.122.99

General

Check archive.org

Show headers Download Go to

Full URL: https://tinymce.ck12.org/v2.0.0-patch5/contentHelpers.js
Requested by: Host: tinymce.ck12.org
URL: https://tinymce.ck12.org/tinymce-loader.js
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 18.66.122.99 , United States, ASN (),
Reverse DNS: server-18-66-122-99.fra60.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: cd450ad0a7ec4b0d057bd4b60ec1b6aecf3e017af1913d8aa95c4f179beacdca

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Sun, 18 Feb 2024 09:45:46 GMT
via: 1.1 d71acb203a3e8fc7db2c1cf9725d51da.cloudfront.net (CloudFront)
last-modified: Wed, 25 Oct 2023 10:23:59 GMT
server: AmazonS3
x-amz-cf-pop: FRA60-P2
age: 82869
x-amz-server-side-encryption: AES256
etag: "95117e87684df428e2f5fde9ae4ae5a1"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: text/javascript
accept-ranges: bytes
content-length: 416
x-amz-cf-id: gf1f3zNUnoJeY3zq8mtBmThJRbkY54ajYpP4pTjMoTtZVdDremZ3vA==

GET
H2 200 TeX-AMS-MML_SVG.js Show response
d3lkjnwva6z405.cloudfront.net/MathJax-2.7.2/config/ 235 KB
69 KB 8ms
7ms Script
application/javascript 2600:9000:2646:8000:12:aac7:4140:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d3lkjnwva6z405.cloudfront.net/MathJax-2.7.2/config/TeX-AMS-MML_SVG.js?V=2.7.2
Requested by: Host: d3lkjnwva6z405.cloudfront.net
URL: https://d3lkjnwva6z405.cloudfront.net/MathJax-2.7.2/MathJax.js?config=TeX-AMS-MML_SVG
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2646:8000:12:aac7:4140:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: dd7c708986b71b74f7f28f7c2eef8314ca674c59de547754e28c3142b1497024

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Tue, 16 Jan 2024 01:24:47 GMT
x-amz-version-id: dUMOsIxXSLPvwjKWbW0Sh1GptWldWaTm
content-encoding: gzip
last-modified: Mon, 29 Jan 2018 21:42:43 GMT
server: AmazonS3
via: 1.1 69a82a9746d3a7343dca651e0829f000.cloudfront.net (CloudFront)
x-amz-cf-pop: FRA60-P5
etag: W/"70ffdefc9b86b850827eebbb237c9e37"
age: 2963932
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
x-amz-cf-id: 8YVD2Uj0EDLTc_zuMFaJDLojk715TE6os_EkP2OChWBjioQIgm6PCQ==

GET
H3 200 Error-Boundary.js Show response
static2.ck12.org/media/build-20240207081958/course-book-app/dist/ 1 KB
1022 B 13ms
13ms Script
application/javascript 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/Error-Boundary.js
Requested by: Host: static3.ck12.org
URL: https://static3.ck12.org/media/build-20240207081958/course-book-app/dist/main.js
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 05082a06b38ae0c1fe4d9388640ed39693006c3ff97ae620a45b63d5af006d35

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:21 GMT
content-encoding: gzip
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:37 GMT
server: AmazonS3
age: 1032138
x-amz-cf-pop: FRA50-C1
etag: W/"1b13c7d3cd8c43a4b15b4d50c593cac9"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: 72sBKO5hd7yYQR942NYz0Z1N4vK5Pcx5EFQ_sN6_5SHBdQ9YpiO1vQ==

GET
H3 200 courses.require.main.js Show response
static2.ck12.org/media/build-20240207081958/course-book-app/ 1 KB
958 B 11ms
11ms Script
application/javascript 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/courses.require.main.js
Requested by: Host: static1.ck12.org
URL: https://static1.ck12.org/media/build-20240207081958/lib/require.js
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 54e8fc0b011e829dc703cf99482c35fa77907c8430114656d588210c49c479fa

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:21 GMT
content-encoding: gzip
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:36 GMT
server: AmazonS3
age: 1032138
x-amz-cf-pop: FRA50-C1
etag: W/"ef1174a69a3c5ef505b120f6fcb33666"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: V4WGh-RRZWDrEfW1CTRqOfXTbhkr6jKfWGKd0oNanal0HJp21Hal4Q==

GET
H3 200 font-proximanova.min.css
static2.ck12.org/media/build-20240207081958/common/font/proximanova/ 2 KB
660 B 11ms
11ms Stylesheet
text/css 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20240207081958/common/font/proximanova/font-proximanova.min.css
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: f61c24c3175782f6c69944f55c2ac5705898667ff150f9a9ce7b6ede864d10f0

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:21 GMT
content-encoding: gzip
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:30 GMT
server: AmazonS3
age: 1032138
x-amz-cf-pop: FRA50-C1
etag: W/"ab6722a98fe402fc20afeed5e7483150"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: text/css
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: VK5dbb9flMR-HbEYOg-FGHUh4naMbHbcLG161ANZ2dCOOrzKzjZGdw==

GET
H3 200 annotator.css
static1.ck12.org/media/build-20240207081958/annotatorjs/css/ 67 KB
28 KB 35ms
35ms Stylesheet
text/css 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static1.ck12.org/media/build-20240207081958/annotatorjs/css/annotator.css
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: c24636284f195010a4a01e3316d4080bb1f4ee22b8267574d2ae4afb9b64cd87

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:21 GMT
content-encoding: gzip
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:22 GMT
server: AmazonS3
age: 1032138
x-amz-cf-pop: FRA50-C1
etag: W/"ba7f15ff0e78b20c6e1fb91d000daf62"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: text/css
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: HW5mF-6pjAE4_4-GaSKmgm2Eb4Wu907WcZIWlqtj5-z0vYYzAoSgeQ==

GET
H3 200 font-ck12-latin-modern.min.css
static1.ck12.org/media/build-20240207081958/common/font/font-ck12-latin-modern/ 404 B
694 B 12ms
12ms Stylesheet
text/css 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static1.ck12.org/media/build-20240207081958/common/font/font-ck12-latin-modern/font-ck12-latin-modern.min.css
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 49dce8236ebc27998962a8385a38b4d9163559dda3d4bed0999b6929eadd4b0c

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:21 GMT
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:30 GMT
server: AmazonS3
age: 1032138
x-amz-cf-pop: FRA50-C1
etag: "9f7209b59076843698f399b3b31a6c26"
x-cache: Hit from cloudfront
content-type: text/css
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
content-length: 404
x-amz-cf-id: T8Hya_rd9feueCx-SzA9DxIChowI8h2PzH56SaIbcjyNzXDygkqtYg==

GET
H3 200 gtranslate.overrides.css
static1.ck12.org/media/build-20240207081958/common/css/ 953 B
1 KB 12ms
12ms Stylesheet
text/css 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static1.ck12.org/media/build-20240207081958/common/css/gtranslate.overrides.css
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: c3c0f0c4ceb4fc6f3c6da30e77f78088344a0657cb77cc3603b6643020d261a6

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:21 GMT
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:29 GMT
server: AmazonS3
age: 1032138
x-amz-cf-pop: FRA50-C1
etag: "b99c7ea5ebe17f926051b1258d94dacb"
x-cache: Hit from cloudfront
content-type: text/css
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
content-length: 953
x-amz-cf-id: BmgW2G2VvsgauxWa_4rxNpsqdes81doBMuqYOnj6YmTGq_IZkURwow==

GET
H2 200 gtm.js Show response
www.googletagmanager.com/ 349 KB
114 KB 59ms
36ms Script
application/javascript 2a00:1450:4001:80e::2008
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.googletagmanager.com/gtm.js?id=GTM-NFJ3V2

Requested by

Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:80e::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Google Tag Manager /

Resource Hash

06f3258dbcfb9b2036b22535d1c927e464d73a811a3de596390ef4b121e2da52

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000; includeSubDomains
X-Xss-Protection	0

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Mon, 19 Feb 2024 08:43:38 GMT
content-encoding: br
strict-transport-security: max-age=31536000; includeSubDomains
server: Google Tag Manager
vary: Accept-Encoding
content-type: application/javascript; charset=UTF-8
access-control-allow-origin: *
cache-control: private, max-age=900
access-control-allow-credentials: true
cross-origin-resource-policy: cross-origin
access-control-allow-headers: Cache-Control
content-length: 116351
x-xss-protection: 0
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
expires: Mon, 19 Feb 2024 08:43:38 GMT

GET
H2 200 cancel.js Show response
d3lkjnwva6z405.cloudfront.net/MathJax-2.7.2/extensions/TeX/ 2 KB
1 KB 7ms
7ms Script
application/javascript 2600:9000:2646:8000:12:aac7:4140:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d3lkjnwva6z405.cloudfront.net/MathJax-2.7.2/extensions/TeX/cancel.js?V=2.7.2
Requested by: Host: d3lkjnwva6z405.cloudfront.net
URL: https://d3lkjnwva6z405.cloudfront.net/MathJax-2.7.2/MathJax.js?config=TeX-AMS-MML_SVG
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2646:8000:12:aac7:4140:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: cd0dac95cfb33ae6688094af1b72fcecdc7218314d68647a74570b397d91149c

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Sun, 28 Jan 2024 15:50:46 GMT
x-amz-version-id: YPWx0Uzqon8yj.F2h48GF3RYgVVeF2uP
content-encoding: gzip
last-modified: Mon, 29 Jan 2018 21:43:14 GMT
server: AmazonS3
via: 1.1 69a82a9746d3a7343dca651e0829f000.cloudfront.net (CloudFront)
x-amz-cf-pop: FRA60-P5
etag: W/"f388cc17efc2279081e653993a67cb51"
age: 1875173
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
x-amz-cf-id: Ze_tcvE_FmQLidWg-hKQvda_zpn4kIzb1uII5dpVA-GarqlRyVoOWg==

GET
H2 200 color.js Show response
d3lkjnwva6z405.cloudfront.net/MathJax-2.7.2/extensions/TeX/ 5 KB
3 KB 8ms
7ms Script
application/javascript 2600:9000:2646:8000:12:aac7:4140:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d3lkjnwva6z405.cloudfront.net/MathJax-2.7.2/extensions/TeX/color.js?V=2.7.2
Requested by: Host: d3lkjnwva6z405.cloudfront.net
URL: https://d3lkjnwva6z405.cloudfront.net/MathJax-2.7.2/MathJax.js?config=TeX-AMS-MML_SVG
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2646:8000:12:aac7:4140:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 5e33017ac1e0565ffcf01989a657ce86ff5b172a3e1df771482685e02468efc4

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Tue, 19 Dec 2023 19:07:41 GMT
x-amz-version-id: F7B0IYPYhtGGsXTJzOfkdPoOcelfr1oB
content-encoding: gzip
last-modified: Mon, 29 Jan 2018 21:43:14 GMT
server: AmazonS3
via: 1.1 69a82a9746d3a7343dca651e0829f000.cloudfront.net (CloudFront)
x-amz-cf-pop: FRA60-P5
etag: W/"a48d84d152a671382c86737ccde77627"
age: 5319358
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
x-amz-cf-id: _Q_PG7KC71rkxlqPBkRnn6ADFpAS5qYVDBe2J6iBTrIKjASHOzoqMw==

GET
H2 200 autoload-all.js Show response
d3lkjnwva6z405.cloudfront.net/MathJax-2.7.2/extensions/TeX/ 2 KB
1 KB 8ms
8ms Script
application/javascript 2600:9000:2646:8000:12:aac7:4140:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d3lkjnwva6z405.cloudfront.net/MathJax-2.7.2/extensions/TeX/autoload-all.js?V=2.7.2
Requested by: Host: d3lkjnwva6z405.cloudfront.net
URL: https://d3lkjnwva6z405.cloudfront.net/MathJax-2.7.2/MathJax.js?config=TeX-AMS-MML_SVG
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2646:8000:12:aac7:4140:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 990282405b7fff7b3a17294972ec0e68d612f378c919ace11dd1b3e01b1f22cb

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Sat, 20 Jan 2024 02:41:16 GMT
x-amz-version-id: 0xdjD1w4pHvXnymMkOtRzYIUo8axxSll
content-encoding: gzip
last-modified: Mon, 29 Jan 2018 21:43:13 GMT
server: AmazonS3
via: 1.1 69a82a9746d3a7343dca651e0829f000.cloudfront.net (CloudFront)
x-amz-cf-pop: FRA60-P5
etag: W/"16bf852be2f959d89bd43c1353c9e7d9"
age: 2613743
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
x-amz-cf-id: 2PbbkkkDbvphswa0PY1nfIaPWSYlWOQrVj7rssMqtsGAQQJMEW6paQ==

GET
H3 200 env.json Show response
flexbooks.ck12.org/ 643 B
1 KB 13ms
13ms Fetch
application/json 2600:9000:2156:9a00:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://flexbooks.ck12.org/env.json

Requested by

Host: static3.ck12.org
URL: https://static3.ck12.org/media/build-20240207081958/course-book-app/dist/vendors.js

Protocol

Security

QUIC, , AES_128_GCM

Server

2600:9000:2156:9a00:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

Apache/2.4.41 (Ubuntu) /

Resource Hash

2bad67fdfe705bc928c764faef91a02854481e1d6748a14f8c6986f0a560ab22

Security Headers

Name	Value
Content-Security-Policy	frame-ancestors 'self' https://*.ck12.org; report-uri https://csp-report.ck12.org; report-to ck12-csp-endpoint;
Strict-Transport-Security	max-age=31536000; includeSubDomains; preload
X-Content-Type-Options	nosniff

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/flexbooks/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Mon, 19 Feb 2024 06:04:35 GMT
via: 1.1 9c7c26f5beeb09381cea450ea3581b36.cloudfront.net (CloudFront)
x-content-type-options: nosniff
content-security-policy: frame-ancestors 'self' https://*.ck12.org; report-uri https://csp-report.ck12.org; report-to ck12-csp-endpoint;
strict-transport-security: max-age=31536000; includeSubDomains; preload
x-amz-cf-pop: FRA50-C1
age: 9543
x-cache: Hit from cloudfront
content-range: bytes 0-642/643
alt-svc: h3=":443"; ma=86400
content-length: 643
reporting-endpoints: ck12-csp-endpoint="https://csp-report.ck12.org"
referrer-policy: strict-origin-when-cross-origin
last-modified: Wed, 07 Feb 2024 09:54:55 GMT
server: Apache/2.4.41 (Ubuntu)
report-to: { "group": "ck12-csp-endpoint","max_age": 86400,"endpoints": [{ "url": " https://csp-report.ck12.org" }] }
content-type: application/json
accept-ranges: bytes
x-amz-cf-id: LNfQxaSEb_1QyVN2Jl6eQ0dXBOju4NbRTkTyEC3jR8kMh-wsHzFt3Q==

GET
H3 200 5831.js Show response
static2.ck12.org/media/build-20240207081958/course-book-app/dist/ 110 KB
36 KB 19ms
19ms Script
application/javascript 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/5831.js
Requested by: Host: static3.ck12.org
URL: https://static3.ck12.org/media/build-20240207081958/course-book-app/dist/main.js
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 85b317f5ce7514ff7ee615f16c130de45a37e8f5d2c267b491181a25876bfbd4

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:22 GMT
content-encoding: gzip
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:37 GMT
server: AmazonS3
age: 1032137
x-amz-cf-pop: FRA50-C1
etag: W/"1398c1642d79f3774a003e67ef0cfcbe"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: Ao3MNrLtqqIIYmfOH5nHAGRa5RTBTf5pV8uPeRydPmT2CxookbBHzQ==

GET
H3 200 6158.js Show response
static2.ck12.org/media/build-20240207081958/course-book-app/dist/ 9 KB
4 KB 18ms
18ms Script
application/javascript 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/6158.js
Requested by: Host: static3.ck12.org
URL: https://static3.ck12.org/media/build-20240207081958/course-book-app/dist/main.js
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 157a330699fbc76c68e28456bd1e31f29c8af4b4c2600d6886c7f28ba0b91562

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:22 GMT
content-encoding: gzip
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:37 GMT
server: AmazonS3
age: 1032137
x-amz-cf-pop: FRA50-C1
etag: W/"40c46e2bcf701bcef097d218d6656844"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: qQ2aat_FyYaGU0fzL2V-_OYc9H_Ji9dj5BbcpE3hF3j1ibFXke9xPw==

GET
H3 200 736.js Show response
static2.ck12.org/media/build-20240207081958/course-book-app/dist/ 27 KB
7 KB 20ms
20ms Script
application/javascript 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/736.js
Requested by: Host: static3.ck12.org
URL: https://static3.ck12.org/media/build-20240207081958/course-book-app/dist/main.js
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: cc95f14a75a105de7909dfc276c7dd6a79a46504bd58c8cdccf2c7dede0b44ec

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:22 GMT
content-encoding: gzip
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:37 GMT
server: AmazonS3
age: 1032137
x-amz-cf-pop: FRA50-C1
etag: W/"7d184d31c9a816764429cc2336dba57d"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: Yl8x2OQyKmXOYeIWWI_XV1DtzqWu9ejqjCARKmHRzhytm5DmF4Drsg==

GET
H3 200 156.js Show response
static2.ck12.org/media/build-20240207081958/course-book-app/dist/ 36 KB
10 KB 21ms
21ms Script
application/javascript 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/156.js
Requested by: Host: static3.ck12.org
URL: https://static3.ck12.org/media/build-20240207081958/course-book-app/dist/main.js
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 2cf4397beb004e154ca10d0b7b5a86b7b5e9e1abfe50827417969f90574a37c2

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:22 GMT
content-encoding: gzip
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:36 GMT
server: AmazonS3
age: 1032137
x-amz-cf-pop: FRA50-C1
etag: W/"e66da7a7e7d00d0ce6a4aa316582af1b"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: GA-UD6rzOQhEuLp8Z6FvUGq3dXex13-S_l9p5SE46udw626SeHLaiA==

GET
H3 200 5294.js Show response
static2.ck12.org/media/build-20240207081958/course-book-app/dist/ 19 KB
7 KB 20ms
19ms Script
application/javascript 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/5294.js
Requested by: Host: static3.ck12.org
URL: https://static3.ck12.org/media/build-20240207081958/course-book-app/dist/main.js
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 1e5854855b20348be955c870633bc52d0bae03b6786a2e888de22d0e21d5e6ba

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:22 GMT
content-encoding: gzip
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:37 GMT
server: AmazonS3
age: 1032137
x-amz-cf-pop: FRA50-C1
etag: W/"794bb8e0dea405b699136c16c53742e3"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: lnoe8kbx8bL4cyDLB2pqfMiwPrOfXdRaTkdlPcHthD-dh_RNcIliCA==

GET
H3 200 6488.js Show response
static2.ck12.org/media/build-20240207081958/course-book-app/dist/ 15 KB
6 KB 19ms
19ms Script
application/javascript 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/6488.js
Requested by: Host: static3.ck12.org
URL: https://static3.ck12.org/media/build-20240207081958/course-book-app/dist/main.js
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 030c7d7681d0e1a813e1735aace1ce0d0b1e389f6648aacd82b6b3207f37c2e2

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:23 GMT
content-encoding: gzip
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:37 GMT
server: AmazonS3
age: 1032136
x-amz-cf-pop: FRA50-C1
etag: W/"08dfa45ec2824df6ed50f641565b1d98"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: BcNq9e0jQg5p7g_7Y7p9TIiLKdlpklTuQShvrd3iIXb2IDaESahQ1g==

GET
H3 200 3719.js Show response
static2.ck12.org/media/build-20240207081958/course-book-app/dist/ 17 KB
5 KB 16ms
14ms Script
application/javascript 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/3719.js
Requested by: Host: static3.ck12.org
URL: https://static3.ck12.org/media/build-20240207081958/course-book-app/dist/main.js
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 274bac2ef1be370e0084fb2987c8d44f80fd45ed262e97980705013b3d1680e8

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:23 GMT
content-encoding: gzip
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:36 GMT
server: AmazonS3
age: 1032136
x-amz-cf-pop: FRA50-C1
etag: W/"bf4e2cabdf1b531a91ce1f318fd1c72a"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: F4ePpCuy-cVbGQL2AYTPlfPFlhFLMAJGG1alTrgu-gGHqA6JsrwqNA==

GET
H3 200 2792.js Show response
static2.ck12.org/media/build-20240207081958/course-book-app/dist/ 18 KB
7 KB 21ms
19ms Script
application/javascript 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/2792.js
Requested by: Host: static3.ck12.org
URL: https://static3.ck12.org/media/build-20240207081958/course-book-app/dist/main.js
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 26f6c5434f9dc6b78debdb6ff60355d8dc9c78ad25188e83deffed290216fc8d

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:23 GMT
content-encoding: gzip
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:36 GMT
server: AmazonS3
age: 1032136
x-amz-cf-pop: FRA50-C1
etag: W/"420b965035fbe03af8d906887d82a59d"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: 43000e5P6lrSFNIxqBJmqxs_U8Nr7R6P7Hbctv4TCehIIaAUpZRdBQ==

GET
H3 200 2245.js Show response
static2.ck12.org/media/build-20240207081958/course-book-app/dist/ 43 KB
14 KB 25ms
23ms Script
application/javascript 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/2245.js
Requested by: Host: static3.ck12.org
URL: https://static3.ck12.org/media/build-20240207081958/course-book-app/dist/main.js
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 7bbe4eb06ef515467297d59586648e1dba5c1e6046cd73e24a2bfa83d184a53e

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:23 GMT
content-encoding: gzip
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:36 GMT
server: AmazonS3
age: 1032136
x-amz-cf-pop: FRA50-C1
etag: W/"1fb5ec785ac08cd62a513a70ce3ef096"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: Lk4i4xZH3slyhMjOWdzFPk8cO046KXbCx2A_fkWfHRm_6W9WvkXL_w==

GET
H3 200 6871.js Show response
static2.ck12.org/media/build-20240207081958/course-book-app/dist/ 9 KB
4 KB 26ms
25ms Script
application/javascript 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/6871.js
Requested by: Host: static3.ck12.org
URL: https://static3.ck12.org/media/build-20240207081958/course-book-app/dist/main.js
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: e5a63455c03c206ac777784a7ffb282835ed1caac1f1361f6ca13ad8f9c7f5fd

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:23 GMT
content-encoding: gzip
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:37 GMT
server: AmazonS3
age: 1032136
x-amz-cf-pop: FRA50-C1
etag: W/"68185ab89699c1a3895a510b5887c31b"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: O8GTUPSZA_B4UET2UPMg0PRItA6f1OqEOB-rz0RwyI9nSyXRQf0ljA==

GET
H3 200 8090.js Show response
static2.ck12.org/media/build-20240207081958/course-book-app/dist/ 19 KB
7 KB 28ms
26ms Script
application/javascript 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/8090.js
Requested by: Host: static3.ck12.org
URL: https://static3.ck12.org/media/build-20240207081958/course-book-app/dist/main.js
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 87938f3d417acbeb06ba035d383c1cb91f800d6db067eef691805a9910065923

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:23 GMT
content-encoding: gzip
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:37 GMT
server: AmazonS3
age: 1032136
x-amz-cf-pop: FRA50-C1
etag: W/"dfe4cc85d9dc222d5fd00cecb042e1bd"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: IbxgRJ8j0iCSSlT_2th9cTSz9wHFS8i8vJCovuTl2CZVt6toIwABMA==

GET
H3 200 9905.js Show response
static2.ck12.org/media/build-20240207081958/course-book-app/dist/ 12 KB
5 KB 31ms
30ms Script
application/javascript 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/9905.js
Requested by: Host: static3.ck12.org
URL: https://static3.ck12.org/media/build-20240207081958/course-book-app/dist/main.js
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 46fe561be5cb13799aa15e85783c3302774bfc0b16ee81778ffd28411a4f42ca

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:23 GMT
content-encoding: gzip
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:37 GMT
server: AmazonS3
age: 1032136
x-amz-cf-pop: FRA50-C1
etag: W/"d6bdd9ee596e81c4331274e111fe57c4"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: FIL92PeMePdZPFfmBl8SL_lVQfdcU6e4cqPdGThHOWOB58k4APN5cw==

GET
H3 200 8541.js Show response
static2.ck12.org/media/build-20240207081958/course-book-app/dist/ 53 KB
16 KB 25ms
23ms Script
application/javascript 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/8541.js
Requested by: Host: static3.ck12.org
URL: https://static3.ck12.org/media/build-20240207081958/course-book-app/dist/main.js
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 32f160334a77451b4ff70b8b43245e3e40a37e9815b8a751bf5687e300ef61e7

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:23 GMT
content-encoding: gzip
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:37 GMT
server: AmazonS3
age: 1032136
x-amz-cf-pop: FRA50-C1
etag: W/"ed68127bf6686a7eb4536c8f4bd86aec"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: fS1iA8N61jq5xyUCA40tb3gesxmI_zKE5ixwEFUQtGF9MstoAwLvxQ==

GET
H3 200 4109.js Show response
static2.ck12.org/media/build-20240207081958/course-book-app/dist/ 13 KB
4 KB 31ms
29ms Script
application/javascript 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/4109.js
Requested by: Host: static3.ck12.org
URL: https://static3.ck12.org/media/build-20240207081958/course-book-app/dist/main.js
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 74444a9cbed28dfa90e8b16451a1a0ce1a7c6677a026efd336190d0de9564a76

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:23 GMT
content-encoding: gzip
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:36 GMT
server: AmazonS3
age: 1032136
x-amz-cf-pop: FRA50-C1
etag: W/"d0f36e675bf3ed1f5a90a982a3d06cb3"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: 6gYxdt_qS72ip0ci9uNgrCbGYTxXbyRtRy_wEqbOiFd0jrmqxr8Eiw==

GET
H3 200 1446.js Show response
static2.ck12.org/media/build-20240207081958/course-book-app/dist/ 17 KB
5 KB 25ms
24ms Script
application/javascript 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/1446.js
Requested by: Host: static3.ck12.org
URL: https://static3.ck12.org/media/build-20240207081958/course-book-app/dist/main.js
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 21c8a0adb53e6667737f5c7895f8febf05b5bc47678627f7e4ce74c1be05b732

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:23 GMT
content-encoding: gzip
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:36 GMT
server: AmazonS3
age: 1032136
x-amz-cf-pop: FRA50-C1
etag: W/"34f0bb5031da68ec762a0d7e91582c7b"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: 4UdDH9nk9bT6_RAXefIwa0sUbjCBkgifheNyLpN-PctQC4YxY6fotA==

GET
H3 200 2353.js Show response
static2.ck12.org/media/build-20240207081958/course-book-app/dist/ 15 KB
5 KB 29ms
28ms Script
application/javascript 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/2353.js
Requested by: Host: static3.ck12.org
URL: https://static3.ck12.org/media/build-20240207081958/course-book-app/dist/main.js
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 41b96a06d07c0a10e3880fce72f458ef37884724929309ff34a5ad35b1100e85

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:23 GMT
content-encoding: gzip
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:36 GMT
server: AmazonS3
age: 1032135
x-amz-cf-pop: FRA50-C1
etag: W/"5e313aab6a370457c288e8ee6853e7c7"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: i0TWLp4_DDXj3KQQkBTT8wMqC_a2qAhMnn7yVoPHUojEgAeWkoDwgQ==

GET
H3 200 3130.js Show response
static2.ck12.org/media/build-20240207081958/course-book-app/dist/ 12 KB
4 KB 30ms
28ms Script
application/javascript 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/3130.js
Requested by: Host: static3.ck12.org
URL: https://static3.ck12.org/media/build-20240207081958/course-book-app/dist/main.js
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 70e46a2185738a3c116076ce22dc416977ef5162ca19ac592c28ab0c13359cb7

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:24 GMT
content-encoding: gzip
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:36 GMT
server: AmazonS3
age: 1032135
x-amz-cf-pop: FRA50-C1
etag: W/"30bd728224adea34f5276d0b35129a60"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: ZZhKOZEx90hel903-yvV6JQ2HFskkTNqaq5vlQLIdXLHo7S_c5Bn8Q==

GET
H3 200 5446.js Show response
static2.ck12.org/media/build-20240207081958/course-book-app/dist/ 12 KB
4 KB 28ms
26ms Script
application/javascript 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/5446.js
Requested by: Host: static3.ck12.org
URL: https://static3.ck12.org/media/build-20240207081958/course-book-app/dist/main.js
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 1d37dcb4d5853cb59cf529f13e91ec8cb150879734fc7095a13a4d2f278f4fb0

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:24 GMT
content-encoding: gzip
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:37 GMT
server: AmazonS3
age: 1032135
x-amz-cf-pop: FRA50-C1
etag: W/"a8602c0329fb5cc4e148ae197fdc4eb2"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: vy6Y4FvmxX1O62R-pxIEZ42iyOmFfh4ZLPdR9-jUFnO5OnYk67TNDw==

GET
H3 200 9922.js Show response
static2.ck12.org/media/build-20240207081958/course-book-app/dist/ 24 KB
11 KB 34ms
32ms Script
application/javascript 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/9922.js
Requested by: Host: static3.ck12.org
URL: https://static3.ck12.org/media/build-20240207081958/course-book-app/dist/main.js
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 650e2be9428e34e7594f4124281d12628b97228d49f222591fa17bfb5d02d720

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:23 GMT
content-encoding: gzip
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:37 GMT
server: AmazonS3
age: 1032135
x-amz-cf-pop: FRA50-C1
etag: W/"446b645958592fdb59609ecddb63b63f"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: tx98RmYS9HAgd2vrvr_zQLMR-FxKYxLd4ihn0qygH3RFGsXND2Hicw==

GET
H3 200 1181.js Show response
static2.ck12.org/media/build-20240207081958/course-book-app/dist/ 8 KB
3 KB 33ms
32ms Script
application/javascript 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/1181.js
Requested by: Host: static3.ck12.org
URL: https://static3.ck12.org/media/build-20240207081958/course-book-app/dist/main.js
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: a5a9a86b41ecc5bb3290fd9df4019bc006f4b1373b3a989838f53ac1a2149b5b

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:23 GMT
content-encoding: gzip
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:36 GMT
server: AmazonS3
age: 1032135
x-amz-cf-pop: FRA50-C1
etag: W/"f6a2f76d8903f0daf2789d2a9d1894aa"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: Z6SbkR79_hn4oiaVDCStyBkie0KiHvaOw-CboPfVME_tY_Xi-0euhQ==

GET
H3 200 1994.js Show response
static2.ck12.org/media/build-20240207081958/course-book-app/dist/ 12 KB
4 KB 35ms
34ms Script
application/javascript 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/1994.js
Requested by: Host: static3.ck12.org
URL: https://static3.ck12.org/media/build-20240207081958/course-book-app/dist/main.js
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 1a1792570368fccae36f6c834b7e5f6ffbbe0641d3daa9ab5390debba034ab46

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:24 GMT
content-encoding: gzip
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:36 GMT
server: AmazonS3
age: 1032135
x-amz-cf-pop: FRA50-C1
etag: W/"99514f528a98efc44db36925844e0a62"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: 2uCku4js25mk1_jjKFrf4xhcshacsXRIbg9rUm8mzJ77wi09MJ1nUQ==

GET
H3 200 4217.js Show response
static2.ck12.org/media/build-20240207081958/course-book-app/dist/ 33 KB
11 KB 28ms
27ms Script
application/javascript 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/4217.js
Requested by: Host: static3.ck12.org
URL: https://static3.ck12.org/media/build-20240207081958/course-book-app/dist/main.js
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: d8c4002bfc7c29642ce892971f5a79b534f0548505488f518287fbeae4279ae2

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:24 GMT
content-encoding: gzip
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:36 GMT
server: AmazonS3
age: 1032135
x-amz-cf-pop: FRA50-C1
etag: W/"331f93524a1a1067ae12e5be7cb90744"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: rcpnJaXmPH9GleFEVCmtUUtJMIM-RNPs8Z0xZtVRf0_wzl6VnaXMvg==

GET
H3 200 2849.js Show response
static2.ck12.org/media/build-20240207081958/course-book-app/dist/ 13 KB
5 KB 36ms
35ms Script
application/javascript 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/2849.js
Requested by: Host: static3.ck12.org
URL: https://static3.ck12.org/media/build-20240207081958/course-book-app/dist/main.js
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: b082dd5d30e9632245c05225a03e5af018756e7dd5eb19856a5a0b6d8b35ff60

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:24 GMT
content-encoding: gzip
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:36 GMT
server: AmazonS3
age: 1032135
x-amz-cf-pop: FRA50-C1
etag: W/"5678a53aa112b66f1bb89dc1cb909e5e"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: KD6pi0HRq_JvuqxbkEpOkPmYMNJuL1gJbbr1b5eEUOUBnYKMARjlvg==

GET
H3 200 1746.js Show response
static2.ck12.org/media/build-20240207081958/course-book-app/dist/ 17 KB
6 KB 44ms
43ms Script
application/javascript 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/1746.js
Requested by: Host: static3.ck12.org
URL: https://static3.ck12.org/media/build-20240207081958/course-book-app/dist/main.js
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: a15a3a4930b14106b6973309e98c0ab127e232bd83891f09536ac940c744ef31

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:24 GMT
content-encoding: gzip
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:36 GMT
server: AmazonS3
age: 1032135
x-amz-cf-pop: FRA50-C1
etag: W/"492759587e5b75ffa47cb809095da2c7"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: _CIlZO4kFUwVRuqYlW107R72C7yoa0ivZBc4aRcw8w_ylAXk2M6paA==

GET
H3 200 Header.css
static2.ck12.org/media/build-20240207081958/course-book-app/dist/ 10 KB
3 KB 35ms
34ms Stylesheet
text/css 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/Header.css
Requested by: Host: static3.ck12.org
URL: https://static3.ck12.org/media/build-20240207081958/course-book-app/dist/main.js
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 4851787361ebd6002a703b3a330e85a2a6f900535f41b4a0026128a5830a2f47

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:22 GMT
content-encoding: gzip
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:37 GMT
server: AmazonS3
age: 1032137
x-amz-cf-pop: FRA50-C1
etag: W/"74354e78c5d3fc900f4b9bbbb2b37fb5"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: text/css
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: gp8vrqXj09O1NXUKMQdPriSZTi4pecxEfAXpyq2DndKCerpxRCosYQ==

GET
H3 200 Header.js Show response
static2.ck12.org/media/build-20240207081958/course-book-app/dist/ 164 KB
48 KB 33ms
33ms Script
application/javascript 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/Header.js
Requested by: Host: static3.ck12.org
URL: https://static3.ck12.org/media/build-20240207081958/course-book-app/dist/main.js
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: a124f21aa498e46979e2403339cccb63dde88d6dfcb3cb115ea6db4bc2d0043a

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:24 GMT
content-encoding: gzip
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:37 GMT
server: AmazonS3
age: 1032135
x-amz-cf-pop: FRA50-C1
etag: W/"51553b3838af46af672d60621b7cc4ec"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: pihx8dOnQIYPKQQllZ-ht1TqOh79hb-dvdHGPATK7WsDrUoOWTLBtA==

GET
H3 200 8386.js Show response
static2.ck12.org/media/build-20240207081958/course-book-app/dist/ 14 KB
6 KB 41ms
40ms Script
application/javascript 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/8386.js
Requested by: Host: static3.ck12.org
URL: https://static3.ck12.org/media/build-20240207081958/course-book-app/dist/main.js
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 77bbd14a2b01f9902acf7c19f927b07e442ab931d1eaf37e5588883b71143228

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:26 GMT
content-encoding: gzip
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:37 GMT
server: AmazonS3
age: 1032133
x-amz-cf-pop: FRA50-C1
etag: W/"330351d989e354db3500a77356061f63"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: lsZRnYOngbtYJM36-wYZ8EJStsP7kJkRlf8ntMougKgITwYSnJFUeg==

GET
H3 200 3596.js Show response
static2.ck12.org/media/build-20240207081958/course-book-app/dist/ 22 KB
8 KB 42ms
41ms Script
application/javascript 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/3596.js
Requested by: Host: static3.ck12.org
URL: https://static3.ck12.org/media/build-20240207081958/course-book-app/dist/main.js
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 1ef44999acab59a92b1efd08cc892ce895f37695ac2978ee7229caa98060f189

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:27:57 GMT
content-encoding: gzip
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:36 GMT
server: AmazonS3
age: 1030542
x-amz-cf-pop: FRA50-C1
etag: W/"fc8bc2d940259ce64b39c4d5e0ac2de2"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: 3tmTYIJaEbxXQKlT76_qyrHRL5GF7XPLKLxlL-mja1aSzlwP2eqMog==

GET
H3 200 Landing.css
static2.ck12.org/media/build-20240207081958/course-book-app/dist/ 10 KB
2 KB 42ms
42ms Stylesheet
text/css 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/Landing.css
Requested by: Host: static3.ck12.org
URL: https://static3.ck12.org/media/build-20240207081958/course-book-app/dist/main.js
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: aa6c9484742979439085e6f638a038b4b7b62ec3aa3b70990fdfc32ff4439230

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:27:57 GMT
content-encoding: gzip
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:37 GMT
server: AmazonS3
age: 1030542
x-amz-cf-pop: FRA50-C1
etag: W/"fada504793a9ebb846cf6b39896ec75b"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: text/css
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: EDAGWrkpBeNZA2_vFjYHjpaIAkMX3dtSWFnSIIBNjJNniU5Atk5zfg==

GET
H3 200 Landing.js Show response
static2.ck12.org/media/build-20240207081958/course-book-app/dist/ 22 KB
7 KB 37ms
37ms Script
application/javascript 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/Landing.js
Requested by: Host: static3.ck12.org
URL: https://static3.ck12.org/media/build-20240207081958/course-book-app/dist/main.js
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: c5e350dac9cafcd75250a141cef7690e5e52766bfc37cc33b426a977f1f19bd2

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:27:57 GMT
content-encoding: gzip
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:37 GMT
server: AmazonS3
age: 1030542
x-amz-cf-pop: FRA50-C1
etag: W/"1fb71a9fcfc464aa62cb125423937258"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: wX0uOCsi-m4qmeenwVw5EMz4zCOhrcbsCUNPtvDfBpTSuCvNI0ok_g==

GET
H3 200 9653.js Show response
static2.ck12.org/media/build-20240207081958/course-book-app/dist/ 33 KB
11 KB 41ms
41ms Script
application/javascript 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/9653.js
Requested by: Host: static3.ck12.org
URL: https://static3.ck12.org/media/build-20240207081958/course-book-app/dist/main.js
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: f4fd0360f0183105778cab8ed0e5fa67c5867ad732667bd2001a90ff68e29413

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:24 GMT
content-encoding: gzip
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:37 GMT
server: AmazonS3
age: 1032135
x-amz-cf-pop: FRA50-C1
etag: W/"ffe5ab5f5bcd138090bde0d53dafdba7"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: H7uRnHSM78QATVJeeAXfCHk5V0qrGxhZeQeHKLD5ECnWICJDd7Vu-A==

GET
H3 200 Footer.js Show response
static2.ck12.org/media/build-20240207081958/course-book-app/dist/ 32 KB
11 KB 34ms
34ms Script
application/javascript 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/Footer.js
Requested by: Host: static3.ck12.org
URL: https://static3.ck12.org/media/build-20240207081958/course-book-app/dist/main.js
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 8157433587765a09d651fcd8c0430036be6906193cd92fcc808cd5270556ff4f

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:24 GMT
content-encoding: gzip
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:37 GMT
server: AmazonS3
age: 1032135
x-amz-cf-pop: FRA50-C1
etag: W/"bd76737f31c7adb757c81d5f3286fcb9"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: AU9VKTIKvNUkajDZRVp6kuu5Vxl718TfTBrnQeid2a3xq2bWbaJKJw==

GET
H2 200 my Show response
www.ck12.org/auth/get/info/ 180 B
872 B 72ms
10ms XHR
application/json 2600:9000:2156:ca00:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://www.ck12.org/auth/get/info/my

Requested by

Host: static.ck12.org
URL: https://static.ck12.org/licenceDialog/v1.0.10/main.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2600:9000:2156:ca00:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

Apache/2.4.41 (Ubuntu) /

Resource Hash

fafce3756ca7cdd3a4c1f92f826e98eb7b322ac756a461b087fb16742cdf4aa8

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Frame-Options	deny

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Mon, 19 Feb 2024 04:27:09 GMT
content-encoding: gzip
x-content-type-options: nosniff
via: 1.1 24475cc722041223cf99f56b55432566.cloudfront.net (CloudFront)
x-amz-cf-pop: FRA50-C1
age: 15389
x-cache: Hit from cloudfront
alt-svc: h3=":443"; ma=86400
content-length: 166
pragma: no-cache
referrer-policy: strict-origin-when-cross-origin
last-modified: Mon, 19 Feb 2024 04:27:09 GMT
server: Apache/2.4.41 (Ubuntu)
access-control-max-age: 0
access-control-allow-methods: GET, POST, PUT, DELETE, OPTIONS
content-type: application/json; charset=utf-8
access-control-allow-origin: https://flexbooks.ck12.org
cache-control: max-age=0, must-revalidate, no-cache, no-store
access-control-allow-credentials: true
x-frame-options: deny
x-robots-tag: noindex
access-control-allow-headers: Content-Type, *
vary: Origin
x-amz-cf-id: cT_78kQfnYaWniX8QUb30CrTAfyJUk3T05_77K9_I-psdwjVqr-GTQ==
expires: Mon, 19 Feb 2024 04:27:09 GMT

GET
H3 200 hero_interface_student.png
flexbooks.ck12.org/media/images/courses/ 135 KB
135 KB 13ms
12ms Image
image/png 2600:9000:2156:9a00:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://flexbooks.ck12.org/media/images/courses/hero_interface_student.png
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:9a00:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 8d5b3b01302119f0dce828f60e509a47977b9b6d71922091797f4827bf6ae258

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/flexbooks/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:31:05 GMT
via: 1.1 9c7c26f5beeb09381cea450ea3581b36.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:55:20 GMT
server: AmazonS3
age: 1030354
x-amz-cf-pop: FRA50-C1
etag: "bcf2709e2e9d72ff83778a6db21b4eda"
x-cache: Hit from cloudfront
content-type: image/png
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
content-length: 138187
x-amz-cf-id: 1h7sIcUs_0IpnOXquqnAlIebJ5U5ECue7otwrfm4zVA6vn0otQQ26g==

GET
H3 200 engageStudent.svg
flexbooks.ck12.org/media/images/courses/ 3 KB
1 KB 14ms
14ms Image
image/svg+xml 2600:9000:2156:9a00:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://flexbooks.ck12.org/media/images/courses/engageStudent.svg
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:9a00:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 558d1b4ac06e1c243b732c2b6b886c47bcf4812eab90b052386c962a1d00a87c

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/flexbooks/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:31:05 GMT
content-encoding: gzip
via: 1.1 9c7c26f5beeb09381cea450ea3581b36.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:55:20 GMT
server: AmazonS3
age: 1030354
x-amz-cf-pop: FRA50-C1
etag: W/"a0be8d21e0a38681df9716d6066b2d44"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: image/svg+xml
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: 4Y0EXfcvgLWkDf_RevnY0EqWTb5tdnvsuFaoVuvs5tRawRoBb6Ejpw==

GET
H3 200 interfaceStudent.svg
flexbooks.ck12.org/media/images/courses/ 708 B
1010 B 19ms
19ms Image
image/svg+xml 2600:9000:2156:9a00:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://flexbooks.ck12.org/media/images/courses/interfaceStudent.svg
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:9a00:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: bb56fb5acb6ab1eab9fbf35f19a27fe113e63a479b372f97e0cb288186b53645

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/flexbooks/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:31:05 GMT
via: 1.1 9c7c26f5beeb09381cea450ea3581b36.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:55:20 GMT
server: AmazonS3
age: 1030354
x-amz-cf-pop: FRA50-C1
etag: "ddc7fad1735318abb5a1150a61ceeb87"
x-cache: Hit from cloudfront
content-type: image/svg+xml
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
content-length: 708
x-amz-cf-id: Q0thoGQKzm1RXyTzPjQ-fzLiTw-As_0z6hVZIAzXKeyKfVoh4_bEpA==

GET
H3 200 personalizeStudent.svg
flexbooks.ck12.org/media/images/courses/ 5 KB
2 KB 15ms
15ms Image
image/svg+xml 2600:9000:2156:9a00:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://flexbooks.ck12.org/media/images/courses/personalizeStudent.svg
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:9a00:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: f7d664ef50f0949f7162ae3b09100e464f4a4d768bb5b17e3e80b5e53d942e33

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/flexbooks/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:31:06 GMT
content-encoding: gzip
via: 1.1 9c7c26f5beeb09381cea450ea3581b36.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:55:20 GMT
server: AmazonS3
age: 1030353
x-amz-cf-pop: FRA50-C1
etag: W/"746e66cbfbd3be5c78caf656b0ff69a9"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: image/svg+xml
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: zI1tkkwAiaNLJE86EUTtxGsWAwdquP8hwKfCZRCfYnqrTDE8bleUTQ==

GET
H3 200 env.json Show response
flexbooks.ck12.org/ 643 B
1 KB 14ms
13ms Fetch
application/json 2600:9000:2156:9a00:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://flexbooks.ck12.org/env.json

Requested by

Host: static2.ck12.org
URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/8541.js

Protocol

Security

QUIC, , AES_128_GCM

Server

2600:9000:2156:9a00:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

Apache/2.4.41 (Ubuntu) /

Resource Hash

2bad67fdfe705bc928c764faef91a02854481e1d6748a14f8c6986f0a560ab22

Security Headers

Name	Value
Content-Security-Policy	frame-ancestors 'self' https://*.ck12.org; report-uri https://csp-report.ck12.org; report-to ck12-csp-endpoint;
Strict-Transport-Security	max-age=31536000; includeSubDomains; preload
X-Content-Type-Options	nosniff

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/flexbooks/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Mon, 19 Feb 2024 06:04:35 GMT
via: 1.1 9c7c26f5beeb09381cea450ea3581b36.cloudfront.net (CloudFront)
x-content-type-options: nosniff
content-security-policy: frame-ancestors 'self' https://*.ck12.org; report-uri https://csp-report.ck12.org; report-to ck12-csp-endpoint;
strict-transport-security: max-age=31536000; includeSubDomains; preload
x-amz-cf-pop: FRA50-C1
age: 9543
x-cache: Hit from cloudfront
content-range: bytes 0-642/643
alt-svc: h3=":443"; ma=86400
content-length: 643
reporting-endpoints: ck12-csp-endpoint="https://csp-report.ck12.org"
referrer-policy: strict-origin-when-cross-origin
last-modified: Wed, 07 Feb 2024 09:54:55 GMT
server: Apache/2.4.41 (Ubuntu)
report-to: { "group": "ck12-csp-endpoint","max_age": 86400,"endpoints": [{ "url": " https://csp-report.ck12.org" }] }
content-type: application/json
accept-ranges: bytes
x-amz-cf-id: dsEm6cdeC70fn6nioAn1Y2HG7SHpq6cWDz7sGLrZwtkGFHFDDOGoAg==

GET
H3 200 env.json Show response
flexbooks.ck12.org/ 643 B
1 KB 13ms
13ms Fetch
application/json 2600:9000:2156:9a00:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://flexbooks.ck12.org/env.json

Requested by

Host: static2.ck12.org
URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/6488.js

Protocol

Security

QUIC, , AES_128_GCM

Server

2600:9000:2156:9a00:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

Apache/2.4.41 (Ubuntu) /

Resource Hash

2bad67fdfe705bc928c764faef91a02854481e1d6748a14f8c6986f0a560ab22

Security Headers

Name	Value
Content-Security-Policy	frame-ancestors 'self' https://*.ck12.org; report-uri https://csp-report.ck12.org; report-to ck12-csp-endpoint;
Strict-Transport-Security	max-age=31536000; includeSubDomains; preload
X-Content-Type-Options	nosniff

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/flexbooks/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Mon, 19 Feb 2024 06:04:35 GMT
via: 1.1 9c7c26f5beeb09381cea450ea3581b36.cloudfront.net (CloudFront)
x-content-type-options: nosniff
content-security-policy: frame-ancestors 'self' https://*.ck12.org; report-uri https://csp-report.ck12.org; report-to ck12-csp-endpoint;
strict-transport-security: max-age=31536000; includeSubDomains; preload
x-amz-cf-pop: FRA50-C1
age: 9543
x-cache: Hit from cloudfront
content-range: bytes 0-642/643
alt-svc: h3=":443"; ma=86400
content-length: 643
reporting-endpoints: ck12-csp-endpoint="https://csp-report.ck12.org"
referrer-policy: strict-origin-when-cross-origin
last-modified: Wed, 07 Feb 2024 09:54:55 GMT
server: Apache/2.4.41 (Ubuntu)
report-to: { "group": "ck12-csp-endpoint","max_age": 86400,"endpoints": [{ "url": " https://csp-report.ck12.org" }] }
content-type: application/json
accept-ranges: bytes
x-amz-cf-id: 4t-KZEGVwcECDpadf0P3jnOUFpJPSVmMWhDfuj8ci363-zpOllX7ww==

GET
H3 200 logo_120.png
flexbooks.ck12.org/media/images/ 2 KB
3 KB 10ms
10ms Image
image/png 2600:9000:2156:9a00:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://flexbooks.ck12.org/media/images/logo_120.png
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:9a00:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: a594deb5d7d8050d0efe6d33dff08ecf8d68eb2ff099529a353735f17eeecbaa

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/flexbooks/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:25 GMT
via: 1.1 9c7c26f5beeb09381cea450ea3581b36.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:55:23 GMT
server: AmazonS3
age: 1032134
x-amz-cf-pop: FRA50-C1
etag: "a7453e37d020e5ba78a46c4e7e66329d"
x-cache: Hit from cloudfront
content-type: image/png
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
content-length: 2331
x-amz-cf-id: jPsAKPezcr9PHsI-NmxF6IvrdkTkJ9IsRdQrBsz6p4wB0VwMcBSkmQ==

GET
DATA 200
OK truncated
/ 3 KB
0 Image
image/svg+xml

General

Check archive.org

Show headers Download Go to Show image

Full URL: data:truncated
Protocol: DATA
Server: -, , ASN (),
Reverse DNS
Software: /
Resource Hash: 8b4a983095e8232dbe6b8ed217482fea880a5d8cb3e455073264e396aa81dcd1

Request headers

accept-language: de-DE,de;q=0.9
Referer
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Content-Type: image/svg+xml

GET
H2 200 225e16877b6ec190031cc8e8df5dac6a.ttf
static2.ck12.org/media/build-20240207081958/course-book-app/dist/ck12-resources/ 69 KB
42 KB 10ms
10ms Font
font/ttf 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/ck12-resources/225e16877b6ec190031cc8e8df5dac6a.ttf
Requested by: Host: static2.ck12.org
URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/Header.css
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 162cf95b67436d0c466be3ab3ff5122200cc4c7e4daea207b01efa9ad9d7b029

Request headers

Referer: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/Header.css
Origin: https://flexbooks.ck12.org
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:56 GMT
content-encoding: gzip
via: 1.1 fb8c0300277bd0137c1693d3d64ab550.cloudfront.net (CloudFront)
x-amz-cf-pop: FRA50-C1
age: 1032103
x-cache: Hit from cloudfront
alt-svc: h3=":443"; ma=86400
last-modified: Wed, 07 Feb 2024 09:54:38 GMT
server: AmazonS3
etag: W/"225e16877b6ec190031cc8e8df5dac6a"
vary: Accept-Encoding,Origin
access-control-allow-methods: GET, HEAD
content-type: font/ttf
access-control-allow-origin: https://flexbooks.ck12.org
cache-control: max-age=31536000
access-control-allow-credentials: true
x-amz-cf-id: hkPDJnY_4RePZUcn7HlzNklw6Ec_UTYIbAlAunHiyIydObXB-0-6bw==

GET
H2 200 capi Show response
capi.ck12.org/ 85 B
387 B 117ms
24ms Fetch 2600:9000:2250:2600:14:71e4:46c0:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://capi.ck12.org/capi?action=getCountry
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2250:2600:14:71e4:46c0:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: CloudFront /
Resource Hash: 350925258fc4fc47d7568e687ea280f65dc92bbd82082901c7a28c0a1b616250

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Mon, 19 Feb 2024 08:43:38 GMT
via: 1.1 7b314c2b827b3a655861e27775634208.cloudfront.net (CloudFront)
server: CloudFront
x-amz-cf-pop: FRA60-P2
access-control-allow-methods: GET, HEAD
x-cache: Miss from cloudfront
access-control-allow-origin: https://flexbooks.ck12.org
content-length: 85
x-amz-cf-id: C5CN_Uwd82q8LHX8EJUyLE62f8hjYLtbtWPxxETAN5PpJOPfvYZSYg==

GET
H2 200 mixpanel-2-latest.min.js Show response
cdn.mxpnl.com/libs/ 54 KB
19 KB 24ms
7ms Script
text/javascript 2600:1901:0:bc29::
GOOGLE-CLOUD-PLAT...

General

Check archive.org

Show headers Download Go to

Full URL: https://cdn.mxpnl.com/libs/mixpanel-2-latest.min.js
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:1901:0:bc29:: Kansas City, United States, ASN396982 (GOOGLE-CLOUD-PLATFORM, US),
Reverse DNS
Software: UploadServer /
Resource Hash: 7c690a6ebb2eef51e8ccc66161b02197c22f388f1fc23c89e0f5c7b70e1eac50

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Mon, 19 Feb 2024 08:40:06 GMT
content-encoding: gzip
age: 212
x-guploader-uploadid: ABPtcPqdpNG2ubMxLna0_p7Blq80Hj-6nsjNUQrFAXz3nzqfvfWbBGPGlf6UE_bttUSQZDBTtqzOdRcgXg
x-goog-storage-class: MULTI_REGIONAL
x-goog-metageneration: 2
x-goog-stored-content-encoding: gzip
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 18490
last-modified: Tue, 06 Feb 2024 00:09:36 GMT
server: UploadServer
etag: "eb0675a8749ea5d76345796217db928f"
vary: Accept-Encoding
x-goog-generation: 1707178176338436
x-goog-hash: crc32c=fWmQwA==, md5=6wZ1qHSepddjRXliF9uSjw==
access-control-allow-origin: *
content-type: text/javascript
cache-control: public,max-age=600
x-goog-stored-content-length: 18490
accept-ranges: bytes
expires: Mon, 19 Feb 2024 08:50:06 GMT

GET
H2 200 js Show response
www.googletagmanager.com/gtag/ 300 KB
96 KB 39ms
39ms Script
application/javascript 2a00:1450:4001:80e::2008
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.googletagmanager.com/gtag/js?id=G-7PBE4L0PZZ&l=dataLayer&cx=c

Requested by

Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-NFJ3V2

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:80e::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Google Tag Manager /

Resource Hash

b3d274056ac732b70015b5dd59ca6f05fd6bef19db41e19db7cea0ef651e3962

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000; includeSubDomains
X-Xss-Protection	0

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Mon, 19 Feb 2024 08:43:38 GMT
content-encoding: br
strict-transport-security: max-age=31536000; includeSubDomains
server: Google Tag Manager
vary: Accept-Encoding
content-type: application/javascript; charset=UTF-8
access-control-allow-origin: *
cache-control: private, max-age=900
access-control-allow-credentials: true
cross-origin-resource-policy: cross-origin
access-control-allow-headers: Cache-Control
content-length: 98611
x-xss-protection: 0
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
expires: Mon, 19 Feb 2024 08:43:38 GMT

GET
H2 200 analytics.js Show response
www.google-analytics.com/ 52 KB
21 KB 29ms
7ms Script
text/javascript 2a00:1450:4001:80b::200e
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.google-analytics.com/analytics.js

Requested by

Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-NFJ3V2

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:80b::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Golfe2 /

Resource Hash

de36e50194320a7d3ef1ace9bd34a875a8bd458b253c061979dd628e9bf49afd

Security Headers

Name	Value
Strict-Transport-Security	max-age=10886400; includeSubDomains; preload
X-Content-Type-Options	nosniff

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

strict-transport-security: max-age=10886400; includeSubDomains; preload
content-encoding: gzip
x-content-type-options: nosniff
date: Mon, 19 Feb 2024 07:48:09 GMT
last-modified: Tue, 12 Dec 2023 18:09:08 GMT
server: Golfe2
age: 3329
vary: Accept-Encoding
content-type: text/javascript
cache-control: public, max-age=7200
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 20994
expires: Mon, 19 Feb 2024 09:48:09 GMT

GET
H2 200 131eeb0def9f43ef9c76f1c2d143cb31.min.js Show response
js.sentry-cdn.com/ 2 KB
2 KB 24ms
8ms Script
text/javascript 2a04:4e42::729
FASTLY

General

Check archive.org

Show headers Download Go to

Full URL

https://js.sentry-cdn.com/131eeb0def9f43ef9c76f1c2d143cb31.min.js

Requested by

Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-NFJ3V2

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

2a04:4e42::729 , United States, ASN54113 (FASTLY, US),

Reverse DNS

Software

Resource Hash

0ba94c34d95bafcd76df10a15f20ff40712c71102c5fdea7083ed64f760eff1b

Security Headers

Name	Value
Content-Security-Policy	script-src 'self' 'unsafe-inline' 'report-sample' s1.sentry-cdn.com js.sentry-cdn.com browser.sentry-cdn.com statuspage-production.s3.amazonaws.com static.zdassets.com aui-cdn.atlassian.com connect-cdn.atl-paas.net js.stripe.com 'strict-dynamic' cdn.pendo.io data.pendo.io pendo-io-static.storage.googleapis.com pendo-static-5634074999128064.storage.googleapis.com; media-src ; frame-ancestors 'self' .sentry.io; font-src * data:; img-src blob: data: ; style-src 'unsafe-inline' ; base-uri 'none'; default-src 'none'; connect-src 'self' .algolia.net .algolianet.com .algolia.io sentry.io .sentry.io s1.sentry-cdn.com o1.ingest.sentry.io api2.amplitude.com app.pendo.io data.pendo.io reload.getsentry.net t687h3m0nh65.statuspage.io sentry.zendesk.com ekr.zdassets.com maps.googleapis.com; frame-src app.pendo.io demo.arcade.software js.stripe.com sentry.io; object-src 'none'; worker-src blob:; report-uri https://o1.ingest.sentry.io/api/54785/security/?sentry_key=f724a8a027db45f5b21507e7142ff78e&sentry_release=7015fe95ac1a2027b521ca9b8406722aaafbbc05
Strict-Transport-Security	max-age=31536000; includeSubDomains
X-Content-Type-Options	nosniff
X-Frame-Options	deny
X-Xss-Protection	1; mode=block

Request headers

Referer: https://flexbooks.ck12.org/
Origin: https://flexbooks.ck12.org
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

content-security-policy: script-src 'self' 'unsafe-inline' 'report-sample' s1.sentry-cdn.com js.sentry-cdn.com browser.sentry-cdn.com statuspage-production.s3.amazonaws.com static.zdassets.com aui-cdn.atlassian.com connect-cdn.atl-paas.net js.stripe.com 'strict-dynamic' cdn.pendo.io data.pendo.io pendo-io-static.storage.googleapis.com pendo-static-5634074999128064.storage.googleapis.com; media-src *; frame-ancestors 'self' *.sentry.io; font-src * data:; img-src blob: data: *; style-src 'unsafe-inline' *; base-uri 'none'; default-src 'none'; connect-src 'self' *.algolia.net *.algolianet.com *.algolia.io sentry.io *.sentry.io s1.sentry-cdn.com o1.ingest.sentry.io api2.amplitude.com app.pendo.io data.pendo.io reload.getsentry.net t687h3m0nh65.statuspage.io sentry.zendesk.com ekr.zdassets.com maps.googleapis.com; frame-src app.pendo.io demo.arcade.software js.stripe.com sentry.io; object-src 'none'; worker-src blob:; report-uri https://o1.ingest.sentry.io/api/54785/security/?sentry_key=f724a8a027db45f5b21507e7142ff78e&sentry_release=7015fe95ac1a2027b521ca9b8406722aaafbbc05
content-encoding: gzip
x-content-type-options: nosniff
date: Mon, 19 Feb 2024 08:43:38 GMT
strict-transport-security: max-age=31536000; includeSubDomains
age: 37
x-envoy-upstream-service-time: 20
content-length: 1215
x-xss-protection: 1; mode=block
x-served-by: getsentry-web-default-common-production-955d47d8c-z9jtb, cache-chi-kigq8000095-CHI, cache-fra-etou8220022-FRA
x-frame-options: deny
vary: Accept-Encoding
content-type: text/javascript
access-control-allow-origin: *
cache-control: public, max-age=3600, s-maxage=60, stale-while-revalidate=315360000, stale-if-error=315360000
x-envoy-attempt-count: 1
accept-ranges: bytes
timing-allow-origin: *

GET
H3 200 flexi-global-banner-v2.js Show response
flexbooks.ck12.org/pages/experiments/flexi-global-banner-2023/js/ 21 KB
4 KB 12ms
12ms Script
text/javascript 2600:9000:2156:9a00:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://flexbooks.ck12.org/pages/experiments/flexi-global-banner-2023/js/flexi-global-banner-v2.js

Requested by

Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/

Protocol

Security

QUIC, , AES_128_GCM

Server

2600:9000:2156:9a00:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

AmazonS3 /

Resource Hash

edb5d39beeb8746dba35bc6c6b35cb13710c1ca8b1a53f4a87b7adb24b1728eb

Security Headers

Name	Value
Content-Security-Policy	frame-ancestors 'self' https://*.ck12.org; report-uri https://csp-report.ck12.org; report-to ck12-csp-endpoint;
Strict-Transport-Security	max-age=31536000; includeSubDomains; preload
X-Content-Type-Options	nosniff

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/flexbooks/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Sat, 17 Feb 2024 02:39:15 GMT
content-encoding: br
via: 1.1 9c7c26f5beeb09381cea450ea3581b36.cloudfront.net (CloudFront)
content-security-policy: frame-ancestors 'self' https://*.ck12.org; report-uri https://csp-report.ck12.org; report-to ck12-csp-endpoint;
x-content-type-options: nosniff
strict-transport-security: max-age=31536000; includeSubDomains; preload
x-amz-cf-pop: FRA50-C1
age: 194664
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
alt-svc: h3=":443"; ma=86400
reporting-endpoints: ck12-csp-endpoint="https://csp-report.ck12.org"
referrer-policy: strict-origin-when-cross-origin
last-modified: Sat, 17 Feb 2024 02:37:55 GMT
server: AmazonS3
etag: W/"ba34b252273a3bc27d8f6b66ce9c3862"
vary: Accept-Encoding
report-to: { "group": "ck12-csp-endpoint","max_age": 86400,"endpoints": [{ "url": " https://csp-report.ck12.org" }] }
content-type: text/javascript
cache-control: max-age=2630000
x-amz-cf-id: UgsiAuT_0KqC52OeD6DTxrOXOk6ryouNqTxdpHfaJD7c-cOtH3Zaqg==

POST
H3 200 event Show response
flexbooks.ck12.org/dexter/record/ 40 B
386 B 297ms
297ms XHR
image/gif 2600:9000:2156:9a00:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://flexbooks.ck12.org/dexter/record/event

Requested by

Host: static2.ck12.org
URL: https://static2.ck12.org/media/build-20240207081958/dexterjs/dexterjs.min.js

Protocol

Security

QUIC, , AES_128_GCM

Server

2600:9000:2156:9a00:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

Apache/2.4.41 (Ubuntu) /

Resource Hash

8417b93e9269905204080344cd815788500150b01bfdf8b91cde37bfd92d4d57

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

Referer: https://flexbooks.ck12.org/flexbooks/
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36
Content-Type: application/x-www-form-urlencoded;charset=UTF-8

Response headers

date: Mon, 19 Feb 2024 08:43:39 GMT
via: 1.1 9c7c26f5beeb09381cea450ea3581b36.cloudfront.net (CloudFront)
x-content-type-options: nosniff
x-amz-cf-pop: FRA50-C1
x-cache: Miss from cloudfront
alt-svc: h3=":443"; ma=86400
content-length: 40
referrer-policy: strict-origin-when-cross-origin
server: Apache/2.4.41 (Ubuntu)
vary: Origin
access-control-allow-methods: GET, POST, PUT, DELETE, OPTIONS
content-type: image/gif
access-control-allow-origin: https://flexbooks.ck12.org
access-control-allow-credentials: true
access-control-allow-headers: Content-Type, *
x-amz-cf-id: nh2cBUcMQTlhX4RCbnSRJy4OVavXVw1HkLbROSUkOrkpg2bOyOHXLw==

GET
H2 200 unified-browse-navigation.json Show response
static.ck12.org/testimonial/ 38 KB
6 KB 9ms
8ms XHR
application/json 2600:9000:21f3:d400:1f:8b19:b780:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static.ck12.org/testimonial/unified-browse-navigation.json
Requested by: Host: static2.ck12.org
URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/5831.js
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:21f3:d400:1f:8b19:b780:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 85bdcb6fcd94f7d51e909e9012f5327b776e36125a631b9c3ed9ec102d61ffff

Request headers

Referer: https://flexbooks.ck12.org/
X-Requested-With: XMLHttpRequest
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36
Content-Type: application/x-www-form-urlencoded

Response headers

x-amz-version-id: e00tsPMG1V3FCQij9Yf8uiCXPOHNpNnl
content-encoding: gzip
via: 1.1 32e3b86ae254a231182567c0124af892.cloudfront.net (CloudFront)
date: Mon, 19 Feb 2024 08:42:17 GMT
x-amz-cf-pop: FRA2-C2
age: 82
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
last-modified: Thu, 18 Jan 2024 20:44:09 GMT
server: AmazonS3
etag: W/"e410f0cb0a71a81404b6b77907abdb6f"
vary: Accept-Encoding,Origin
access-control-allow-methods: GET, HEAD
content-type: application/json
access-control-allow-origin: https://flexbooks.ck12.org
access-control-allow-credentials: true
x-amz-cf-id: _fAGv_cpRFyTdYdkEqXZ85iStJ0FSC_5LUNahvFJYGjbc81hgXHcYA==

OPTIONS
H2 200 unified-browse-navigation.json
static.ck12.org/testimonial/ 0
0 29ms
7ms Preflight 2600:9000:21f3:d400:1f:8b19:b780:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static.ck12.org/testimonial/unified-browse-navigation.json
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:21f3:d400:1f:8b19:b780:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash

Request headers

Accept: */*
Access-Control-Request-Headers: x-requested-with
Access-Control-Request-Method: GET
Origin: https://flexbooks.ck12.org
Sec-Fetch-Mode: cors
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

access-control-allow-credentials: true
access-control-allow-headers: x-requested-with
access-control-allow-methods: GET, HEAD
access-control-allow-origin: https://flexbooks.ck12.org
age: 142
content-length: 0
date: Mon, 19 Feb 2024 08:41:17 GMT
server: AmazonS3
vary: Origin
via: 1.1 32e3b86ae254a231182567c0124af892.cloudfront.net (CloudFront)
x-amz-cf-id: xyjA0wH4xBhXjKOV9PrKYCbLZ_25IB4ZnqMpQSTRGFs8Kl0EcDo34A==
x-amz-cf-pop: FRA2-C2
x-cache: Hit from cloudfront

GET
H3 200 my Show response
flexbooks.ck12.org/auth/get/info/ 181 B
618 B 11ms
11ms XHR
application/json 2600:9000:2156:9a00:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://flexbooks.ck12.org/auth/get/info/my

Requested by

Host: static2.ck12.org
URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/5831.js

Protocol

Security

QUIC, , AES_128_GCM

Server

2600:9000:2156:9a00:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

Apache/2.4.41 (Ubuntu) /

Resource Hash

d687d47e2a5e942441e2dca079c25e3760a485e8d450cc60d0f6ae7d747d2c8d

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Frame-Options	deny

Request headers

Referer: https://flexbooks.ck12.org/flexbooks/
X-Requested-With: XMLHttpRequest
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36
Content-Type: application/x-www-form-urlencoded

Response headers

date: Mon, 19 Feb 2024 04:29:49 GMT
content-encoding: gzip
x-content-type-options: nosniff
via: 1.1 9c7c26f5beeb09381cea450ea3581b36.cloudfront.net (CloudFront)
age: 15229
x-amz-cf-pop: FRA50-C1
x-cache: Hit from cloudfront
alt-svc: h3=":443"; ma=86400
content-length: 169
pragma: no-cache
referrer-policy: strict-origin-when-cross-origin
last-modified: Mon, 19 Feb 2024 04:29:49 GMT
server: Apache/2.4.41 (Ubuntu)
access-control-max-age: 0
x-frame-options: deny
content-type: application/json; charset=utf-8
vary: Accept-Encoding
cache-control: max-age=0, must-revalidate, no-cache, no-store
x-robots-tag: noindex
x-amz-cf-id: KG0LiwRtvg_Fo_YHDZpifb6QjuNAcmn9XAn6RCYMqhE-sKXKl3o7SA==
expires: Mon, 19 Feb 2024 04:29:49 GMT

GET
H2 200 unified-browse-navigation.json Show response
static.ck12.org/testimonial/ 38 KB
6 KB 9ms
8ms XHR
application/json 2600:9000:21f3:d400:1f:8b19:b780:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static.ck12.org/testimonial/unified-browse-navigation.json
Requested by: Host: static2.ck12.org
URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/5831.js
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:21f3:d400:1f:8b19:b780:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 85bdcb6fcd94f7d51e909e9012f5327b776e36125a631b9c3ed9ec102d61ffff

Request headers

Referer: https://flexbooks.ck12.org/
X-Requested-With: XMLHttpRequest
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36
Content-Type: application/x-www-form-urlencoded

Response headers

x-amz-version-id: e00tsPMG1V3FCQij9Yf8uiCXPOHNpNnl
content-encoding: gzip
via: 1.1 32e3b86ae254a231182567c0124af892.cloudfront.net (CloudFront)
date: Mon, 19 Feb 2024 08:42:17 GMT
x-amz-cf-pop: FRA2-C2
age: 82
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
last-modified: Thu, 18 Jan 2024 20:44:09 GMT
server: AmazonS3
etag: W/"e410f0cb0a71a81404b6b77907abdb6f"
vary: Accept-Encoding,Origin
access-control-allow-methods: GET, HEAD
content-type: application/json
access-control-allow-origin: https://flexbooks.ck12.org
access-control-allow-credentials: true
x-amz-cf-id: lrKLDNTEKjvoqf9b5ruCK9g9qKmDVws6fEI3pGC61w7ko6fHEE5lmg==

OPTIONS
H2 200 unified-browse-navigation.json
static.ck12.org/testimonial/ 0
0 30ms
9ms Preflight 2600:9000:21f3:d400:1f:8b19:b780:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static.ck12.org/testimonial/unified-browse-navigation.json
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:21f3:d400:1f:8b19:b780:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash

Request headers

Accept: */*
Access-Control-Request-Headers: x-requested-with
Access-Control-Request-Method: GET
Origin: https://flexbooks.ck12.org
Sec-Fetch-Mode: cors
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

access-control-allow-credentials: true
access-control-allow-headers: x-requested-with
access-control-allow-methods: GET, HEAD
access-control-allow-origin: https://flexbooks.ck12.org
age: 142
content-length: 0
date: Mon, 19 Feb 2024 08:41:17 GMT
server: AmazonS3
vary: Origin
via: 1.1 32e3b86ae254a231182567c0124af892.cloudfront.net (CloudFront)
x-amz-cf-id: U0zaMHIplBEr5EjU7pTvwjP13BibSJLcEx5B_T9oKfbo0HPIey52jw==
x-amz-cf-pop: FRA2-C2
x-cache: Hit from cloudfront

POST
H3 200 event Show response
flexbooks.ck12.org/dexter/record/ 40 B
385 B 295ms
295ms XHR
image/gif 2600:9000:2156:9a00:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://flexbooks.ck12.org/dexter/record/event

Requested by

Host: static2.ck12.org
URL: https://static2.ck12.org/media/build-20240207081958/dexterjs/dexterjs.min.js

Protocol

Security

QUIC, , AES_128_GCM

Server

2600:9000:2156:9a00:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

Apache/2.4.41 (Ubuntu) /

Resource Hash

8417b93e9269905204080344cd815788500150b01bfdf8b91cde37bfd92d4d57

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

Referer: https://flexbooks.ck12.org/flexbooks/
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36
Content-Type: application/x-www-form-urlencoded;charset=UTF-8

Response headers

date: Mon, 19 Feb 2024 08:43:39 GMT
via: 1.1 9c7c26f5beeb09381cea450ea3581b36.cloudfront.net (CloudFront)
x-content-type-options: nosniff
x-amz-cf-pop: FRA50-C1
x-cache: Miss from cloudfront
alt-svc: h3=":443"; ma=86400
content-length: 40
referrer-policy: strict-origin-when-cross-origin
server: Apache/2.4.41 (Ubuntu)
vary: Origin
access-control-allow-methods: GET, POST, PUT, DELETE, OPTIONS
content-type: image/gif
access-control-allow-origin: https://flexbooks.ck12.org
access-control-allow-credentials: true
access-control-allow-headers: Content-Type, *
x-amz-cf-id: 6melJl-dJ_pH7gpzBrEpD_wiNsIdIQjukf6r5XlXnJpiF7_4VH0OEQ==

GET
H2 200 flexi-peek-over.png
www.ck12.org/pages/experiments/flexi-global-banner-2023/images/ 22 KB
23 KB 12ms
11ms Image
image/png 2600:9000:2156:ca00:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.ck12.org/pages/experiments/flexi-global-banner-2023/images/flexi-peek-over.png

Requested by

Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2600:9000:2156:ca00:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

AmazonS3 /

Resource Hash

d01b9e066f1054b2639e615b40f42880cb669e5984decd211ea34a12c3439f48

Security Headers

Name	Value
Content-Security-Policy	frame-ancestors 'self' https://*.ck12.org; report-uri https://csp-report.ck12.org; report-to ck12-csp-endpoint;
Strict-Transport-Security	max-age=31536000; includeSubDomains; preload
X-Content-Type-Options	nosniff

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Sat, 17 Feb 2024 04:08:59 GMT
via: 1.1 24475cc722041223cf99f56b55432566.cloudfront.net (CloudFront)
x-content-type-options: nosniff
content-security-policy: frame-ancestors 'self' https://*.ck12.org; report-uri https://csp-report.ck12.org; report-to ck12-csp-endpoint;
strict-transport-security: max-age=31536000; includeSubDomains; preload
age: 189280
x-amz-cf-pop: FRA50-C1
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
alt-svc: h3=":443"; ma=86400
content-length: 22735
reporting-endpoints: ck12-csp-endpoint="https://csp-report.ck12.org"
referrer-policy: strict-origin-when-cross-origin
last-modified: Sat, 17 Feb 2024 02:37:55 GMT
server: AmazonS3
etag: "037fa9fa4dc90cf5a02f1ca926ffdc79"
report-to: { "group": "ck12-csp-endpoint","max_age": 86400,"endpoints": [{ "url": " https://csp-report.ck12.org" }] }
content-type: image/png
cache-control: max-age=2630000
accept-ranges: bytes
x-amz-cf-id: rYi9IFoIcXg5e8f8dEeS8MTzSY7T86xADseVpfHx04rw86FhitFmvA==

GET
H2 200 flexi-thumbs-up.png
www.ck12.org/pages/experiments/flexi-global-banner-2023/images/ 22 KB
23 KB 14ms
14ms Image
image/png 2600:9000:2156:ca00:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.ck12.org/pages/experiments/flexi-global-banner-2023/images/flexi-thumbs-up.png

Requested by

Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2600:9000:2156:ca00:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

AmazonS3 /

Resource Hash

9d50105f969bdef985ca1cd3db438e99090b19b6e3c85c172c9dfab69b9e9727

Security Headers

Name	Value
Content-Security-Policy	frame-ancestors 'self' https://*.ck12.org; report-uri https://csp-report.ck12.org; report-to ck12-csp-endpoint;
Strict-Transport-Security	max-age=31536000; includeSubDomains; preload
X-Content-Type-Options	nosniff

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Sat, 17 Feb 2024 04:08:59 GMT
via: 1.1 24475cc722041223cf99f56b55432566.cloudfront.net (CloudFront)
x-content-type-options: nosniff
content-security-policy: frame-ancestors 'self' https://*.ck12.org; report-uri https://csp-report.ck12.org; report-to ck12-csp-endpoint;
strict-transport-security: max-age=31536000; includeSubDomains; preload
age: 189280
x-amz-cf-pop: FRA50-C1
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
alt-svc: h3=":443"; ma=86400
content-length: 22262
reporting-endpoints: ck12-csp-endpoint="https://csp-report.ck12.org"
referrer-policy: strict-origin-when-cross-origin
last-modified: Sat, 17 Feb 2024 02:37:55 GMT
server: AmazonS3
etag: "ee4249622003473078e0af33cc250571"
report-to: { "group": "ck12-csp-endpoint","max_age": 86400,"endpoints": [{ "url": " https://csp-report.ck12.org" }] }
content-type: image/png
cache-control: max-age=2630000
accept-ranges: bytes
x-amz-cf-id: O9OmjkQjewORK9--4oddPJ9Qdwia5nNypQ8J4yT2wo3J7s43vV2AFg==

GET
H3 200 ProximaNova-Regular.woff
flexbooks.ck12.org/pages/experiments/flexi-global-banner-2023/fonts/ 41 KB
42 KB 13ms
13ms Font
font/woff 2600:9000:2156:9a00:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://flexbooks.ck12.org/pages/experiments/flexi-global-banner-2023/fonts/ProximaNova-Regular.woff

Requested by

Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/

Protocol

Security

QUIC, , AES_128_GCM

Server

2600:9000:2156:9a00:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

AmazonS3 /

Resource Hash

2ed4be39f9b4f15769c517b4fb2b203c72c7f96843b8437d7c0cc9dbc8cb3f8a

Security Headers

Name	Value
Content-Security-Policy	frame-ancestors 'self' https://*.ck12.org; report-uri https://csp-report.ck12.org; report-to ck12-csp-endpoint;
Strict-Transport-Security	max-age=31536000; includeSubDomains; preload
X-Content-Type-Options	nosniff

Request headers

Referer: https://flexbooks.ck12.org/flexbooks/
Origin: https://flexbooks.ck12.org
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Sat, 17 Feb 2024 04:08:59 GMT
via: 1.1 9c7c26f5beeb09381cea450ea3581b36.cloudfront.net (CloudFront)
x-content-type-options: nosniff
content-security-policy: frame-ancestors 'self' https://*.ck12.org; report-uri https://csp-report.ck12.org; report-to ck12-csp-endpoint;
strict-transport-security: max-age=31536000; includeSubDomains; preload
x-amz-cf-pop: FRA50-C1
age: 189280
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
alt-svc: h3=":443"; ma=86400
content-length: 42096
reporting-endpoints: ck12-csp-endpoint="https://csp-report.ck12.org"
referrer-policy: strict-origin-when-cross-origin
last-modified: Sat, 17 Feb 2024 02:37:54 GMT
server: AmazonS3
etag: "583194a788128ee7bc78adbeaed2e17d"
report-to: { "group": "ck12-csp-endpoint","max_age": 86400,"endpoints": [{ "url": " https://csp-report.ck12.org" }] }
content-type: font/woff
cache-control: max-age=2630000
accept-ranges: bytes
x-amz-cf-id: DXa-pfYflRb0OOJNcRiznSotbrOxxcQ0OhSlW2elCw_pQ1atp6un9A==

POST
H3 200 event Show response
flexbooks.ck12.org/dexter/record/ 40 B
384 B 296ms
296ms XHR
image/gif 2600:9000:2156:9a00:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://flexbooks.ck12.org/dexter/record/event

Requested by

Host: static2.ck12.org
URL: https://static2.ck12.org/media/build-20240207081958/dexterjs/dexterjs.min.js

Protocol

Security

QUIC, , AES_128_GCM

Server

2600:9000:2156:9a00:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

Apache/2.4.41 (Ubuntu) /

Resource Hash

8417b93e9269905204080344cd815788500150b01bfdf8b91cde37bfd92d4d57

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

Referer: https://flexbooks.ck12.org/flexbooks/
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36
Content-Type: application/x-www-form-urlencoded;charset=UTF-8

Response headers

date: Mon, 19 Feb 2024 08:43:39 GMT
via: 1.1 9c7c26f5beeb09381cea450ea3581b36.cloudfront.net (CloudFront)
x-content-type-options: nosniff
x-amz-cf-pop: FRA50-C1
x-cache: Miss from cloudfront
alt-svc: h3=":443"; ma=86400
content-length: 40
referrer-policy: strict-origin-when-cross-origin
server: Apache/2.4.41 (Ubuntu)
vary: Origin
access-control-allow-methods: GET, POST, PUT, DELETE, OPTIONS
content-type: image/gif
access-control-allow-origin: https://flexbooks.ck12.org
access-control-allow-credentials: true
access-control-allow-headers: Content-Type, *
x-amz-cf-id: W33tGSrpvu35R2y2kQbdTst454tzB4mEDACWZteAtG5TT1JetGeQkg==

GET
H2 200 style
accounts.google.com/gsi/ 533 B
585 B 33ms
32ms Stylesheet
text/css 2a00:1450:400c:c0a::54
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://accounts.google.com/gsi/style

Requested by

Host: accounts.google.com
URL: https://accounts.google.com/gsi/client

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:400c:c0a::54 Brussels, Belgium, ASN15169 (GOOGLE, US),

Reverse DNS

Software

ESF /

Resource Hash

1c4e7e389d73c6acf7f19cc812514e71230740791fde8a018c1d7edccf1590ae

Security Headers

Name	Value
Content-Security-Policy	script-src 'report-sample' 'nonce-XY0IIoxjYg_j7H3nCgoVfA' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';object-src 'none';base-uri 'self';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http, require-trusted-types-for 'script';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http
X-Content-Type-Options	nosniff
X-Frame-Options	SAMEORIGIN
X-Xss-Protection	0

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Mon, 19 Feb 2024 08:43:38 GMT
content-security-policy: script-src 'report-sample' 'nonce-XY0IIoxjYg_j7H3nCgoVfA' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';object-src 'none';base-uri 'self';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http, require-trusted-types-for 'script';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http
content-encoding: gzip
x-content-type-options: nosniff
server: ESF
x-frame-options: SAMEORIGIN
report-to: {"group":"coop_dd7de8473bddc59c6b748810a67a39b1","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/dd7de8473bddc59c6b748810a67a39b1"}]}
content-type: text/css; charset=utf-8
cache-control: private, max-age=86400
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
x-xss-protection: 0
cross-origin-opener-policy-report-only: same-origin; report-to="coop_dd7de8473bddc59c6b748810a67a39b1"
expires: Mon, 19 Feb 2024 08:43:38 GMT

GET
H2 200 status Show response
accounts.google.com/gsi/ 40 B
527 B 30ms
30ms XHR
application/json 2a00:1450:400c:c0a::54
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://accounts.google.com/gsi/status?client_id=824097203574.apps.googleusercontent.com&as=9I9SnfUZG2Ka6xlMFaDTOA

Requested by

Host: accounts.google.com
URL: https://accounts.google.com/gsi/client

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:400c:c0a::54 Brussels, Belgium, ASN15169 (GOOGLE, US),

Reverse DNS

Software

ESF /

Resource Hash

ea8c5d33f0f34747b9f1319bbf404cac402dfca889ea7da0efb7a5fe1bdc8761

Security Headers

Name	Value
Content-Security-Policy	require-trusted-types-for 'script';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http, script-src 'report-sample' 'nonce-lKCYb9czVqIVcadjg1Yiig' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';object-src 'none';base-uri 'self';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http
X-Content-Type-Options	nosniff
X-Frame-Options	SAMEORIGIN
X-Xss-Protection	0

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Mon, 19 Feb 2024 08:43:38 GMT
content-security-policy: require-trusted-types-for 'script';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http, script-src 'report-sample' 'nonce-lKCYb9czVqIVcadjg1Yiig' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';object-src 'none';base-uri 'self';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http
x-content-type-options: nosniff
content-encoding: gzip
content-disposition: attachment; filename="json.txt"; filename*=UTF-8''json.txt
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
x-xss-protection: 0
pragma: no-cache
server: ESF
x-frame-options: SAMEORIGIN
access-control-allow-methods: GET
content-type: application/json; charset=utf-8
access-control-allow-origin: https://flexbooks.ck12.org
report-to: {"group":"coop_dd7de8473bddc59c6b748810a67a39b1","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/dd7de8473bddc59c6b748810a67a39b1"}]}
cache-control: no-cache, no-store, max-age=0, must-revalidate
access-control-allow-credentials: true
cross-origin-opener-policy-report-only: same-origin; report-to="coop_dd7de8473bddc59c6b748810a67a39b1"
expires: Mon, 01 Jan 1990 00:00:00 GMT

POST
H3 200 event Show response
flexbooks.ck12.org/dexter/record/ 40 B
386 B 297ms
297ms XHR
image/gif 2600:9000:2156:9a00:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://flexbooks.ck12.org/dexter/record/event

Requested by

Host: static2.ck12.org
URL: https://static2.ck12.org/media/build-20240207081958/dexterjs/dexterjs.min.js

Protocol

Security

QUIC, , AES_128_GCM

Server

2600:9000:2156:9a00:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

Apache/2.4.41 (Ubuntu) /

Resource Hash

8417b93e9269905204080344cd815788500150b01bfdf8b91cde37bfd92d4d57

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

Referer: https://flexbooks.ck12.org/flexbooks/student
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36
Content-Type: application/x-www-form-urlencoded;charset=UTF-8

Response headers

date: Mon, 19 Feb 2024 08:43:39 GMT
via: 1.1 9c7c26f5beeb09381cea450ea3581b36.cloudfront.net (CloudFront)
x-content-type-options: nosniff
x-amz-cf-pop: FRA50-C1
x-cache: Miss from cloudfront
alt-svc: h3=":443"; ma=86400
content-length: 40
referrer-policy: strict-origin-when-cross-origin
server: Apache/2.4.41 (Ubuntu)
vary: Origin
access-control-allow-methods: GET, POST, PUT, DELETE, OPTIONS
content-type: image/gif
access-control-allow-origin: https://flexbooks.ck12.org
access-control-allow-credentials: true
access-control-allow-headers: Content-Type, *
x-amz-cf-id: n-IabBm-l4_xmXQNcrVVC7BsL8GY48MOZZEVqxL5VSmcWOuQrm1Mlg==

POST
H3 200 event Show response
flexbooks.ck12.org/dexter/record/ 40 B
387 B 296ms
296ms XHR
image/gif 2600:9000:2156:9a00:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://flexbooks.ck12.org/dexter/record/event

Requested by

Host: static2.ck12.org
URL: https://static2.ck12.org/media/build-20240207081958/dexterjs/dexterjs.min.js

Protocol

Security

QUIC, , AES_128_GCM

Server

2600:9000:2156:9a00:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

Apache/2.4.41 (Ubuntu) /

Resource Hash

8417b93e9269905204080344cd815788500150b01bfdf8b91cde37bfd92d4d57

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

Referer: https://flexbooks.ck12.org/flexbooks/student/
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36
Content-Type: application/x-www-form-urlencoded;charset=UTF-8

Response headers

date: Mon, 19 Feb 2024 08:43:39 GMT
via: 1.1 9c7c26f5beeb09381cea450ea3581b36.cloudfront.net (CloudFront)
x-content-type-options: nosniff
x-amz-cf-pop: FRA50-C1
x-cache: Miss from cloudfront
alt-svc: h3=":443"; ma=86400
content-length: 40
referrer-policy: strict-origin-when-cross-origin
server: Apache/2.4.41 (Ubuntu)
vary: Origin
access-control-allow-methods: GET, POST, PUT, DELETE, OPTIONS
content-type: image/gif
access-control-allow-origin: https://flexbooks.ck12.org
access-control-allow-credentials: true
access-control-allow-headers: Content-Type, *
x-amz-cf-id: NKJFpESMCVxBq3DBUuEGfDZYHDipSLCE4FRlGvM7455CbMU0EBQJmg==

GET
DATA 200
OK truncated
/ 2 KB
0 Image
image/svg+xml

General

Check archive.org

Show headers Download Go to Show image

Full URL: data:truncated
Protocol: DATA
Server: -, , ASN (),
Reverse DNS
Software: /
Resource Hash: 5d22c3e176743acc42e7102912402af5a00587c59cb6d3183faa6e003cbccd8d

Request headers

accept-language: de-DE,de;q=0.9
Referer
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Content-Type: image/svg+xml

GET
DATA 200
OK truncated
/ 3 KB
0 Image
image/svg+xml

General

Check archive.org

Show headers Download Go to Show image

Full URL: data:truncated
Protocol: DATA
Server: -, , ASN (),
Reverse DNS
Software: /
Resource Hash: bc97fca6abef1d5fe3ebf244f871387ac62b490935edaae10e498b5c9ffae321

Request headers

accept-language: de-DE,de;q=0.9
Referer
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Content-Type: image/svg+xml

GET
DATA 200
OK truncated
/ 3 KB
0 Image
image/svg+xml

General

Check archive.org

Show headers Download Go to Show image

Full URL: data:truncated
Protocol: DATA
Server: -, , ASN (),
Reverse DNS
Software: /
Resource Hash: 2fb29c30a02f097d5f6163afc3d2f56e28b963d783e873000acd078491941e00

Request headers

accept-language: de-DE,de;q=0.9
Referer
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Content-Type: image/svg+xml

GET
DATA 200
OK truncated
/ 5 KB
0 Image
image/svg+xml

General

Check archive.org

Show headers Download Go to Show image

Full URL: data:truncated
Protocol: DATA
Server: -, , ASN (),
Reverse DNS
Software: /
Resource Hash: d06ec7afa040b98a5eaf8d092f83bd897033e72d9da08d8140816fdac73944ce

Request headers

accept-language: de-DE,de;q=0.9
Referer
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Content-Type: image/svg+xml

GET
DATA 200
OK truncated
/ 2 KB
0 Image
image/svg+xml

General

Check archive.org

Show headers Download Go to Show image

Full URL: data:truncated
Protocol: DATA
Server: -, , ASN (),
Reverse DNS
Software: /
Resource Hash: 3f8da9282ba7fbd92a371068d06d1f84b6f922fa282226333dd12c5640ba0e53

Request headers

accept-language: de-DE,de;q=0.9
Referer
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Content-Type: image/svg+xml

GET
DATA 200
OK truncated
/ 10 KB
0 Image
image/svg+xml

General

Check archive.org

Show headers Download Go to Show image

Full URL: data:truncated
Protocol: DATA
Server: -, , ASN (),
Reverse DNS
Software: /
Resource Hash: c1a7c84c05edcfe2dcc59d9d8140f46451d4de3b4197dded3ca347f1d7b3ee15

Request headers

accept-language: de-DE,de;q=0.9
Referer
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Content-Type: image/svg+xml

GET
DATA 200
OK truncated
/ 855 B
0 Image
image/svg+xml

General

Check archive.org

Show headers Download Go to Show image

Full URL: data:truncated
Protocol: DATA
Server: -, , ASN (),
Reverse DNS
Software: /
Resource Hash: 47dd10e1c34878eafb8ecf7cef755550f2b9f08e04e28d71b8aaad9f0c33f60d

Request headers

accept-language: de-DE,de;q=0.9
Referer
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Content-Type: image/svg+xml

GET
DATA 200
OK truncated
/ 3 KB
0 Image
image/svg+xml

General

Check archive.org

Show headers Download Go to Show image

Full URL: data:truncated
Protocol: DATA
Server: -, , ASN (),
Reverse DNS
Software: /
Resource Hash: eb91786504f9e6ea2bffb781c8eb68f5056b5b1f23efde4dbd21f63342d7b1fd

Request headers

accept-language: de-DE,de;q=0.9
Referer
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Content-Type: image/svg+xml

GET
H3 200 e45dc3383428ccd5dac4e9a36e97b55a.png
static2.ck12.org/media/build-20240207081958/course-book-app/dist/ 3 KB
3 KB 13ms
13ms Image
image/png 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/e45dc3383428ccd5dac4e9a36e97b55a.png
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/student/
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: a160ed7315b4a82acd8f1d1a27b53e5109aa7a5e94a08b54a3c30fde02115644

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:25 GMT
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:38 GMT
server: AmazonS3
age: 1032134
x-amz-cf-pop: FRA50-C1
etag: "e45dc3383428ccd5dac4e9a36e97b55a"
x-cache: Hit from cloudfront
content-type: image/png
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
content-length: 2819
x-amz-cf-id: N9QYSYFlI75B8qDviHplA4l0MoE8f42PQP_-dRd4Jlo7p8dWd6s8tg==

GET
H3 200 c4a8f83aed2c431636233f5ca2e8d0f1.png
static2.ck12.org/media/build-20240207081958/course-book-app/dist/ 2 KB
2 KB 14ms
14ms Image
image/png 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/c4a8f83aed2c431636233f5ca2e8d0f1.png
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/student/
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: abe75c9004358ae51685aa28b92d4ccb18b6ed0b021d4df1478aef8bd53e17c4

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:25 GMT
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:37 GMT
server: AmazonS3
age: 1032134
x-amz-cf-pop: FRA50-C1
etag: "c4a8f83aed2c431636233f5ca2e8d0f1"
x-cache: Hit from cloudfront
content-type: image/png
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
content-length: 1696
x-amz-cf-id: H0_czOEhaAWAjRyRrc_vgp0ZQxTsLp6BAyg8gKjOU7Y7eFq15VsSPw==

GET
H3 200 06f4aa379163b8895546e2968b7f337c.png
static2.ck12.org/media/build-20240207081958/course-book-app/dist/ 2 KB
2 KB 11ms
10ms Image
image/png 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/06f4aa379163b8895546e2968b7f337c.png
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/student/
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 1c4fea069696a186acaefb1e8bb42da7b7c9f08e00b2ce2e6ca4701af035b53a

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:26 GMT
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:36 GMT
server: AmazonS3
age: 1032133
x-amz-cf-pop: FRA50-C1
etag: "06f4aa379163b8895546e2968b7f337c"
x-cache: Hit from cloudfront
content-type: image/png
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
content-length: 2219
x-amz-cf-id: B3r8QpuPssfZ_gPngJr42aSvHK9rPBc1lf2Y2SL0_Qqzh2oEIxJzSg==

GET
H3 200 4930252c7417b7631a4c92296cfd35fe.png
static2.ck12.org/media/build-20240207081958/course-book-app/dist/ 953 B
1 KB 16ms
15ms Image
image/png 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/4930252c7417b7631a4c92296cfd35fe.png
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/student/
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 7aca33069bd12adb892ec6bb545d89c42755f0ceca9d1c53decaf2466253ab7a

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:26 GMT
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:37 GMT
server: AmazonS3
age: 1032133
x-amz-cf-pop: FRA50-C1
etag: "4930252c7417b7631a4c92296cfd35fe"
x-cache: Hit from cloudfront
content-type: image/png
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
content-length: 953
x-amz-cf-id: v4YbOtrdWPyH0ZQdbUVfGsNvu7HxbcPodHtjiKHJAwj_-y3Gp4mTwQ==

GET
H3 200 hiking_isometric.svg
www.ck12.org/pages/flexlets/images/ 23 KB
9 KB 16ms
16ms Image
image/svg+xml 2600:9000:2156:ca00:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.ck12.org/pages/flexlets/images/hiking_isometric.svg

Requested by

Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/student/

Protocol

Security

QUIC, , AES_128_GCM

Server

2600:9000:2156:ca00:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

AmazonS3 /

Resource Hash

7af1d803113d839b1144acdf129f450f769b5d3fb4c708618a95c2ee231d4108

Security Headers

Name	Value
Content-Security-Policy	frame-ancestors 'self' https://*.ck12.org; report-uri https://csp-report.ck12.org; report-to ck12-csp-endpoint;
Strict-Transport-Security	max-age=31536000; includeSubDomains; preload
X-Content-Type-Options	nosniff

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Sat, 17 Feb 2024 02:43:19 GMT
content-encoding: br
via: 1.1 6b4954a8411e7b2a232537f8000c5c9c.cloudfront.net (CloudFront)
content-security-policy: frame-ancestors 'self' https://*.ck12.org; report-uri https://csp-report.ck12.org; report-to ck12-csp-endpoint;
x-content-type-options: nosniff
strict-transport-security: max-age=31536000; includeSubDomains; preload
x-amz-cf-pop: FRA50-C1
age: 194420
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
alt-svc: h3=":443"; ma=86400
reporting-endpoints: ck12-csp-endpoint="https://csp-report.ck12.org"
referrer-policy: strict-origin-when-cross-origin
last-modified: Sat, 17 Feb 2024 02:37:59 GMT
server: AmazonS3
etag: W/"3585d490b24db7bce1c42b23b8a18b5e"
vary: Accept-Encoding
report-to: { "group": "ck12-csp-endpoint","max_age": 86400,"endpoints": [{ "url": " https://csp-report.ck12.org" }] }
content-type: image/svg+xml
cache-control: max-age=2630000
x-amz-cf-id: x0uNi536GUsgqIMbdwX_r-TLBembS6px0DqNEq_0ZBc7NpjSlvtSGg==

GET
H2 200 bundle.es5.min.js Show response
browser.sentry-cdn.com/7.101.1/ 89 KB
28 KB 7ms
7ms Script
application/javascript 2a04:4e42::729
FASTLY

General

Check archive.org

Show headers Download Go to

Full URL

https://browser.sentry-cdn.com/7.101.1/bundle.es5.min.js

Requested by

Host: js.sentry-cdn.com
URL: https://js.sentry-cdn.com/131eeb0def9f43ef9c76f1c2d143cb31.min.js

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

2a04:4e42::729 , United States, ASN54113 (FASTLY, US),

Reverse DNS

Software

Fastly /

Resource Hash

a13abd982d3ff40d9feabacb4576996dd2d48e83c0ace9f951ef60d5bbc787e2

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000; includeSubDomains

Request headers

Referer: https://flexbooks.ck12.org/
Origin: https://flexbooks.ck12.org
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Mon, 19 Feb 2024 08:43:38 GMT
content-encoding: gzip
strict-transport-security: max-age=31536000; includeSubDomains
last-modified: Thu, 15 Feb 2024 10:51:37 GMT
server: Fastly
age: 333695
etag: "850d0d0a90f39ed9c6065fed5c2a1d8f"
vary: Accept-Encoding
content-type: application/javascript; charset=utf-8
access-control-allow-origin: *
cache-control: public, max-age=31536000
accept-ranges: bytes
content-length: 28485
expires: Fri, 14 Feb 2025 12:02:03 GMT

GET
H3 200 icon-community.svg
flexbooks.ck12.org/media/course-book-app/data/images/ 1 KB
764 B 10ms
10ms Image
image/svg+xml 2600:9000:2156:9a00:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://flexbooks.ck12.org/media/course-book-app/data/images/icon-community.svg
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/student/
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:9a00:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: c4d1360e9652ba1dbd898c3c38dbb3be1a047ace323324b9e0bd276fc66234c3

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/flexbooks/student/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:57 GMT
content-encoding: gzip
via: 1.1 9c7c26f5beeb09381cea450ea3581b36.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:55:13 GMT
server: AmazonS3
age: 1032102
x-amz-cf-pop: FRA50-C1
etag: W/"bff96c9457fac335aada447f7f6416f8"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: image/svg+xml
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: s6wFbDNe7bdJYFRjqU-I5KuTJ2G1IH7bBTb69LiwMotruBQRI7K4yg==

POST
H3 200 event Show response
flexbooks.ck12.org/dexter/record/ 40 B
385 B 115ms
115ms XHR
image/gif 2600:9000:2156:9a00:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://flexbooks.ck12.org/dexter/record/event

Requested by

Host: static2.ck12.org
URL: https://static2.ck12.org/media/build-20240207081958/dexterjs/dexterjs.min.js

Protocol

Security

QUIC, , AES_128_GCM

Server

2600:9000:2156:9a00:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

Apache/2.4.41 (Ubuntu) /

Resource Hash

8417b93e9269905204080344cd815788500150b01bfdf8b91cde37bfd92d4d57

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

Referer: https://flexbooks.ck12.org/flexbooks/student/
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36
Content-Type: application/x-www-form-urlencoded;charset=UTF-8

Response headers

date: Mon, 19 Feb 2024 08:43:39 GMT
via: 1.1 9c7c26f5beeb09381cea450ea3581b36.cloudfront.net (CloudFront)
x-content-type-options: nosniff
x-amz-cf-pop: FRA50-C1
x-cache: Miss from cloudfront
alt-svc: h3=":443"; ma=86400
content-length: 40
referrer-policy: strict-origin-when-cross-origin
server: Apache/2.4.41 (Ubuntu)
vary: Origin
access-control-allow-methods: GET, POST, PUT, DELETE, OPTIONS
content-type: image/gif
access-control-allow-origin: https://flexbooks.ck12.org
access-control-allow-credentials: true
access-control-allow-headers: Content-Type, *
x-amz-cf-id: IEUebu27bSqoOPM52PuQ9A61hPC0XYfTx5-55Cfukd76CJ8EjXR3Vw==

GET
H2 200 f-d%3A7a2401fac0b00f8c17ae80229f9a8c199c134578287a46ccd8a70dfe%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
dr282zn36sxxg.cloudfront.net/datastreams/ 51 KB
52 KB 214ms
65ms Image
image/jpeg 2600:9000:2133:a400:f:a35f:3100:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://dr282zn36sxxg.cloudfront.net/datastreams/f-d%3A7a2401fac0b00f8c17ae80229f9a8c199c134578287a46ccd8a70dfe%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/student/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2133:a400:f:a35f:3100:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: ef3076ef970c0f872a3b004ebdfe04c3ce4c67ace8a4f9e781b5fc232fd973a2

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Thu, 15 Feb 2024 17:59:51 GMT
x-amz-version-id: null
via: 1.1 38eb62cecee463a32bb912440e440938.cloudfront.net (CloudFront)
last-modified: Sat, 25 Apr 2020 06:39:46 GMT
server: AmazonS3
x-amz-cf-pop: LHR3-C2
age: 312229
etag: "f216ed84741e31909471c2a3daafa666"
x-cache: Hit from cloudfront
cache-control: PUBLIC, max-age=2592000, must-revalidate
accept-ranges: bytes
content-length: 52440
x-amz-cf-id: Cv5iwsSSTvObwJRMRDZAaYdo3h2IEO3MqgCmlsjFpzq1nEdRQOqqjQ==
expires: Mon, 04 Mar 2019 06:22:29 GMT

GET
H2 200 f-d%3A554458aaed0d012d7ee0da6268ba183a16c8984bcce70cd6bfe937bb%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
dr282zn36sxxg.cloudfront.net/datastreams/ 47 KB
48 KB 188ms
40ms Image
image/jpeg 2600:9000:2133:a400:f:a35f:3100:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://dr282zn36sxxg.cloudfront.net/datastreams/f-d%3A554458aaed0d012d7ee0da6268ba183a16c8984bcce70cd6bfe937bb%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/student/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2133:a400:f:a35f:3100:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 1f0a3a812acee312d6a4de73a996cfea6fd9090ddff968b849d91134c5a36a72

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

x-amz-version-id: null
date: Sun, 18 Feb 2024 09:18:16 GMT
via: 1.1 38eb62cecee463a32bb912440e440938.cloudfront.net (CloudFront)
last-modified: Sat, 25 Apr 2020 06:39:59 GMT
server: AmazonS3
x-amz-cf-pop: LHR3-C2
age: 87478
etag: "bf1be8a695db5d294ec7880f6a3b44d4"
vary: Accept-Encoding
x-cache: Hit from cloudfront
cache-control: PUBLIC, max-age=2592000, must-revalidate
accept-ranges: bytes
content-length: 48432
x-amz-cf-id: 9BPtF0EMNG9tChmXWYixcWLkzC7vS4OFyevvzMjjNMXg_KHWomcXQw==
expires: Mon, 04 Mar 2019 06:22:29 GMT

GET
H2 200 f-d%3A08973a0f587ca59017452f58bf93daa5a82d462f88f65e070d37033b%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
dr282zn36sxxg.cloudfront.net/datastreams/ 44 KB
44 KB 202ms
54ms Image
image/jpeg 2600:9000:2133:a400:f:a35f:3100:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://dr282zn36sxxg.cloudfront.net/datastreams/f-d%3A08973a0f587ca59017452f58bf93daa5a82d462f88f65e070d37033b%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/student/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2133:a400:f:a35f:3100:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: ba267b7d294f8548c94e08791ce4d6836b2db0f6ee2cd7a72e72a02684d8d243

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Thu, 25 Jan 2024 09:51:32 GMT
x-amz-version-id: null
via: 1.1 38eb62cecee463a32bb912440e440938.cloudfront.net (CloudFront)
last-modified: Sat, 25 Apr 2020 06:40:06 GMT
server: AmazonS3
x-amz-cf-pop: LHR3-C2
age: 2155928
etag: "3be445c4f8f4506a5aa635060808b73d"
x-cache: Hit from cloudfront
cache-control: PUBLIC, max-age=2592000, must-revalidate
accept-ranges: bytes
content-length: 44733
x-amz-cf-id: 6Xj6ZIbEhuaFVe2pMN9eDYAfr8XsVTv9m6ryUHGmfREpstANHeS9bg==
expires: Mon, 04 Mar 2019 06:22:29 GMT

GET
H2 200 f-d%3Aaa35f753ccebf6fdbc970e0c488322a5859c106b12084232250037cc%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
dr282zn36sxxg.cloudfront.net/datastreams/ 53 KB
53 KB 207ms
59ms Image
image/jpeg 2600:9000:2133:a400:f:a35f:3100:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://dr282zn36sxxg.cloudfront.net/datastreams/f-d%3Aaa35f753ccebf6fdbc970e0c488322a5859c106b12084232250037cc%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/student/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2133:a400:f:a35f:3100:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: b93b8b3562cdcffd0d6b6acb4a40797b34885666694a4c82aa143b4b159799f6

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Sat, 03 Feb 2024 08:07:35 GMT
x-amz-version-id: null
via: 1.1 38eb62cecee463a32bb912440e440938.cloudfront.net (CloudFront)
last-modified: Thu, 19 Oct 2017 01:30:37 GMT
server: AmazonS3
x-amz-cf-pop: LHR3-C2
age: 1384565
etag: "6fb40836117fee177c0125fb676c0c38"
x-cache: Hit from cloudfront
cache-control: PUBLIC, max-age=2592000, must-revalidate
accept-ranges: bytes
content-length: 53981
x-amz-cf-id: 1OQzDndek9ScwFwBH-xzVYZ-S4xAWL1vfPUariIQFHdfGeoN3fTULg==
expires: Thu, 27 Jul 2017 21:05:04 GMT

GET
H2 200 f-d%3Af427ce9a64ef14b95c5e7874f6c458d59b977de11d7635257ce60677%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
dr282zn36sxxg.cloudfront.net/datastreams/ 52 KB
53 KB 169ms
21ms Image
image/jpeg 2600:9000:2133:a400:f:a35f:3100:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://dr282zn36sxxg.cloudfront.net/datastreams/f-d%3Af427ce9a64ef14b95c5e7874f6c458d59b977de11d7635257ce60677%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/student/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2133:a400:f:a35f:3100:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 0706355f9fce0253c24ca3a1a2f3c0384186b1a76f8566bb175239c4b30d1bdd

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Thu, 15 Feb 2024 17:59:46 GMT
x-amz-version-id: null
via: 1.1 38eb62cecee463a32bb912440e440938.cloudfront.net (CloudFront)
last-modified: Thu, 19 Oct 2017 01:30:56 GMT
server: AmazonS3
x-amz-cf-pop: LHR3-C2
age: 312234
etag: "55c48e3b8cb11ab8b60928b614f25089"
x-cache: Hit from cloudfront
cache-control: PUBLIC, max-age=2592000, must-revalidate
accept-ranges: bytes
content-length: 53654
x-amz-cf-id: NZspVMbZWFfbgRRwzQUWspsE5m2Yb9FORLpspvnoUyXu4ukSP3MT6w==
expires: Thu, 27 Jul 2017 21:05:04 GMT

GET
H2 200 f-d%3A983942af426d4ebbab76547a36b3975fb13fe494811133ce226668a0%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
dr282zn36sxxg.cloudfront.net/datastreams/ 88 KB
89 KB 493ms
345ms Image
image/jpeg 2600:9000:2133:a400:f:a35f:3100:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://dr282zn36sxxg.cloudfront.net/datastreams/f-d%3A983942af426d4ebbab76547a36b3975fb13fe494811133ce226668a0%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/student/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2133:a400:f:a35f:3100:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 4fd7669eeae57fe9c31e78e9f350da9549e445e8eab973af3feb9e198c13f79e

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

x-amz-version-id: null
date: Mon, 19 Feb 2024 08:43:40 GMT
via: 1.1 38eb62cecee463a32bb912440e440938.cloudfront.net (CloudFront)
last-modified: Tue, 11 Aug 2020 18:11:46 GMT
server: AmazonS3
x-amz-cf-pop: LHR3-C2
etag: "674840c458d2931fbce7f30c2f381cd2"
vary: Accept-Encoding
x-cache: RefreshHit from cloudfront
cache-control: no-cache
accept-ranges: bytes
content-length: 90563
x-amz-cf-id: vZDt-NRG04129C_6fUe20Si80oEVAOz14qL48gS8HZEooXaALQu5cg==

GET
H2 200 f-d%3A645a7072810f9ae291dc8b8f0f23d38f8598fc2fb427ffe1711a95ce%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
dr282zn36sxxg.cloudfront.net/datastreams/ 80 KB
80 KB 67ms
66ms Image
image/jpeg 2600:9000:2133:a400:f:a35f:3100:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://dr282zn36sxxg.cloudfront.net/datastreams/f-d%3A645a7072810f9ae291dc8b8f0f23d38f8598fc2fb427ffe1711a95ce%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/student/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2133:a400:f:a35f:3100:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 34cab30b4350cace0257bdae51ed9edf8fbb80470ad0b0586a6fefb18ccfce01

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Thu, 25 Jan 2024 08:51:15 GMT
x-amz-version-id: null
via: 1.1 38eb62cecee463a32bb912440e440938.cloudfront.net (CloudFront)
last-modified: Sat, 25 Apr 2020 18:46:24 GMT
server: AmazonS3
x-amz-cf-pop: LHR3-C2
age: 2159545
etag: "9247c9b217e57b064647ee635224c304"
x-cache: Hit from cloudfront
cache-control: PUBLIC, max-age=2592000, must-revalidate
accept-ranges: bytes
content-length: 81739
x-amz-cf-id: uWQJ4zfJS3yh-ZBuxVIbrxg9KwAh0YtftGlOh-RW5HR2rqiakxJLwQ==
expires: Mon, 04 Mar 2019 06:22:29 GMT

GET
H2 200 f-d%3Afa9e3e30834399c83a9c1730a58587bad27510e7488330bb5e854ec5%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
dr282zn36sxxg.cloudfront.net/datastreams/ 23 KB
23 KB 65ms
64ms Image
image/jpeg 2600:9000:2133:a400:f:a35f:3100:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://dr282zn36sxxg.cloudfront.net/datastreams/f-d%3Afa9e3e30834399c83a9c1730a58587bad27510e7488330bb5e854ec5%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/student/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2133:a400:f:a35f:3100:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 9ad2d2a81b478f3dfe137028553b1ef3bfcc7832af55c397f9931bdbaca1115a

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Fri, 09 Feb 2024 10:07:04 GMT
x-amz-version-id: 1Inx8VdFoyFtrB9pf.GX5z1E_sG3.w_a
via: 1.1 38eb62cecee463a32bb912440e440938.cloudfront.net (CloudFront)
last-modified: Thu, 02 Aug 2018 01:14:46 GMT
server: AmazonS3
x-amz-cf-pop: LHR3-C2
age: 858996
etag: "fad523fc20ace32b9c2f7bcf318cf120"
x-cache: Hit from cloudfront
cache-control: PUBLIC, max-age=2592000, must-revalidate
accept-ranges: bytes
content-length: 23273
x-amz-cf-id: 8G5WLB4B11Rvdn8usn5uWmp1OtXDR3afqdOFfV6EdgaA5Dh2B1Xofw==
expires: Mon, 18 Jun 2018 06:03:53 GMT

GET
H2 200 f-d%3A92922b43219fb4f873316388f12cb6111dae448fb3ebc29682f2d5c0%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
dr282zn36sxxg.cloudfront.net/datastreams/ 16 KB
17 KB 73ms
72ms Image
image/jpeg 2600:9000:2133:a400:f:a35f:3100:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://dr282zn36sxxg.cloudfront.net/datastreams/f-d%3A92922b43219fb4f873316388f12cb6111dae448fb3ebc29682f2d5c0%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/student/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2133:a400:f:a35f:3100:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: a2ca9b53f3ff825b49c47a1827891cb0518255fabd6adf18175c50ee9a35ab39

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Sat, 03 Feb 2024 18:57:43 GMT
x-amz-version-id: c.mDYtCcjS4DCabuWIt8_4vwEsynG3_6
via: 1.1 38eb62cecee463a32bb912440e440938.cloudfront.net (CloudFront)
last-modified: Thu, 02 Aug 2018 01:15:02 GMT
server: AmazonS3
x-amz-cf-pop: LHR3-C2
age: 1345557
etag: "5e37ccba4324cabfa404e0b29c7995ae"
x-cache: Hit from cloudfront
cache-control: PUBLIC, max-age=2592000, must-revalidate
accept-ranges: bytes
content-length: 16684
x-amz-cf-id: -ZPPvdnslCle9Upaa6KvRwQly7xefGA5vx6ZF8YO2OluSgBh8WhkKg==
expires: Mon, 18 Jun 2018 06:03:53 GMT

GET
H2 200 f-d%3A23f53c4ef7012687f0b1e1e3e005e05f004208292c4ad51bf3380513%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
dr282zn36sxxg.cloudfront.net/datastreams/ 34 KB
35 KB 77ms
75ms Image
image/jpeg 2600:9000:2133:a400:f:a35f:3100:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://dr282zn36sxxg.cloudfront.net/datastreams/f-d%3A23f53c4ef7012687f0b1e1e3e005e05f004208292c4ad51bf3380513%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/student/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2133:a400:f:a35f:3100:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: d50c0702660474b9e46230439b2645bb0ada7c188b27423301298f44154ba5f3

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Thu, 08 Feb 2024 09:23:19 GMT
x-amz-version-id: gnwlmqlgflJoqWw_i3K1TNXnw4dsMtFG
via: 1.1 38eb62cecee463a32bb912440e440938.cloudfront.net (CloudFront)
last-modified: Thu, 02 Aug 2018 01:15:08 GMT
server: AmazonS3
x-amz-cf-pop: LHR3-C2
age: 948021
etag: "cddc35ab0330dc27890a921eb7102958"
x-cache: Hit from cloudfront
cache-control: PUBLIC, max-age=2592000, must-revalidate
accept-ranges: bytes
content-length: 34929
x-amz-cf-id: Qjvirj9k36Yc5XR9zjh4PllSi88BdKlozm1Nj1ghPB0zamVcyPMPZg==
expires: Mon, 18 Jun 2018 06:03:53 GMT

GET
H2 200 f-d%3Ac187554d335f5573909512ab31f2e63d8ba09d54844b2dcadd000326%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
dr282zn36sxxg.cloudfront.net/datastreams/ 29 KB
29 KB 75ms
73ms Image
image/jpeg 2600:9000:2133:a400:f:a35f:3100:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://dr282zn36sxxg.cloudfront.net/datastreams/f-d%3Ac187554d335f5573909512ab31f2e63d8ba09d54844b2dcadd000326%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/student/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2133:a400:f:a35f:3100:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 95a04cfe2fda86761d1a5fff73aa70f2a74a8ffab313d1353213af0f6d0bc477

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 24 Jan 2024 21:57:34 GMT
x-amz-version-id: zE80n7BNJxCEibhjYMNMMfRyXqIFh9Iy
via: 1.1 38eb62cecee463a32bb912440e440938.cloudfront.net (CloudFront)
last-modified: Thu, 02 Aug 2018 01:14:40 GMT
server: AmazonS3
x-amz-cf-pop: LHR3-C2
age: 2198766
etag: "884f18ab92c12ac1c442d7b18fae1bc1"
x-cache: Hit from cloudfront
cache-control: PUBLIC, max-age=2592000, must-revalidate
accept-ranges: bytes
content-length: 29680
x-amz-cf-id: M9R1Pmcf6Sg-z_nK3qUpuSEI_Lnj2OqCLFKu1oPjrY2i2qwpqVEVxQ==
expires: Mon, 18 Jun 2018 06:03:53 GMT

GET
H2 200 f-d%3A4f7ebcdaceb0b002af5f5972d936051d3b087eaded0f774501f425ca%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
dr282zn36sxxg.cloudfront.net/datastreams/ 21 KB
21 KB 78ms
77ms Image
image/jpeg 2600:9000:2133:a400:f:a35f:3100:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://dr282zn36sxxg.cloudfront.net/datastreams/f-d%3A4f7ebcdaceb0b002af5f5972d936051d3b087eaded0f774501f425ca%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/student/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2133:a400:f:a35f:3100:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 3f549c9863ffe4b6480cc586938ad7915be10ab9301c72cb6e9af16e7feef32e

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Thu, 08 Feb 2024 02:13:32 GMT
x-amz-version-id: 5IU0JZMtSFrrpk8vZXQxF.e3imevORQk
via: 1.1 38eb62cecee463a32bb912440e440938.cloudfront.net (CloudFront)
last-modified: Thu, 02 Aug 2018 01:15:14 GMT
server: AmazonS3
x-amz-cf-pop: LHR3-C2
age: 973808
etag: "46db3302b74360ce699d34853f5aa491"
x-cache: Hit from cloudfront
cache-control: PUBLIC, max-age=2592000, must-revalidate
accept-ranges: bytes
content-length: 21075
x-amz-cf-id: UxdqwXBMijiyQjWKr3EPJp0DIjp9EOF8Xsb3m1Ymra94YVBh48rxqw==
expires: Mon, 18 Jun 2018 06:03:53 GMT

GET
H2 200 f-d%3Af7506c4f6d53fe3ef69c4f4dde86189e28a9addb0af6f4e2a38febbd%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
dr282zn36sxxg.cloudfront.net/datastreams/ 36 KB
36 KB 79ms
78ms Image
image/jpeg 2600:9000:2133:a400:f:a35f:3100:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://dr282zn36sxxg.cloudfront.net/datastreams/f-d%3Af7506c4f6d53fe3ef69c4f4dde86189e28a9addb0af6f4e2a38febbd%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/student/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2133:a400:f:a35f:3100:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 3dfb38b79f475b62ca27d0f0b4f387d3771d2239bc64fc6c1b83857e19323edb

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Sat, 03 Feb 2024 11:34:29 GMT
x-amz-version-id: hNiRzyUs2RzvvaS89CMJk1rEwMT6ZbnY
via: 1.1 38eb62cecee463a32bb912440e440938.cloudfront.net (CloudFront)
last-modified: Thu, 02 Aug 2018 01:14:51 GMT
server: AmazonS3
x-amz-cf-pop: LHR3-C2
age: 1372151
etag: "634537c3efd9261acb053ed0e68c93f6"
x-cache: Hit from cloudfront
cache-control: PUBLIC, max-age=2592000, must-revalidate
accept-ranges: bytes
content-length: 36596
x-amz-cf-id: ZBN9CxGF4oUaqXZcsMcQMjk-nisvmmqV7E8DwZWWbPnWrgSYkWIKZw==
expires: Mon, 18 Jun 2018 06:03:53 GMT

GET
H2 200 f-d%3Acbc4bfafd24be8baeea73dba93063fcc46c014e54a45d89f1fd30a89%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
dr282zn36sxxg.cloudfront.net/datastreams/ 12 KB
12 KB 81ms
79ms Image
image/jpeg 2600:9000:2133:a400:f:a35f:3100:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://dr282zn36sxxg.cloudfront.net/datastreams/f-d%3Acbc4bfafd24be8baeea73dba93063fcc46c014e54a45d89f1fd30a89%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/student/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2133:a400:f:a35f:3100:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 2de572c64cfb1511569575bfe284e20fc60a8b0b2f6ac4dfb63612a8b8fecb75

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

x-amz-version-id: null
date: Thu, 15 Feb 2024 10:17:14 GMT
via: 1.1 38eb62cecee463a32bb912440e440938.cloudfront.net (CloudFront)
last-modified: Fri, 14 Feb 2020 04:39:14 GMT
server: AmazonS3
x-amz-cf-pop: LHR3-C2
age: 339986
etag: "90ae985f1b6d9d91b8f68a6ee65a61f5"
vary: Accept-Encoding
x-cache: Hit from cloudfront
cache-control: PUBLIC, max-age=2592000, must-revalidate
accept-ranges: bytes
content-length: 12236
x-amz-cf-id: WALffC2MHQn9EYeUZqA0N8gQplkRFMA4yoqhX0WOBO5eqgLUyCKW6w==
expires: Mon, 04 Mar 2019 06:22:29 GMT

GET
H2 200 f-d%3A4a1bcbc2ead1593b5decd070b8daab68b0988629ea618d34939421fe%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
dr282zn36sxxg.cloudfront.net/datastreams/ 18 KB
18 KB 381ms
380ms Image
image/jpeg 2600:9000:2133:a400:f:a35f:3100:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://dr282zn36sxxg.cloudfront.net/datastreams/f-d%3A4a1bcbc2ead1593b5decd070b8daab68b0988629ea618d34939421fe%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/student/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2133:a400:f:a35f:3100:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: ede7970d79e029ba3dd39f65c71ae81eb974d12724c8fead9f2b8e7acc433308

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Mon, 19 Feb 2024 08:43:40 GMT
x-amz-version-id: null
via: 1.1 38eb62cecee463a32bb912440e440938.cloudfront.net (CloudFront)
last-modified: Fri, 14 Feb 2020 03:52:06 GMT
server: AmazonS3
x-amz-cf-pop: LHR3-C2
etag: "4505fcb504cf4b0af157ff020a58bea9"
x-cache: Miss from cloudfront
cache-control: PUBLIC, max-age=2592000, must-revalidate
accept-ranges: bytes
content-length: 18487
x-amz-cf-id: s1PtWa_mBqEoj805xkHAs6Rw-su86GAJOD09jRDKkaJ4QNR9YtkOpw==
expires: Mon, 04 Mar 2019 06:22:29 GMT

GET
H2 200 f-d%3A79a698d2fe6271539abf9702710c19fa1989961071ef014c761b35e1%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
dr282zn36sxxg.cloudfront.net/datastreams/ 28 KB
29 KB 82ms
81ms Image
image/jpeg 2600:9000:2133:a400:f:a35f:3100:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://dr282zn36sxxg.cloudfront.net/datastreams/f-d%3A79a698d2fe6271539abf9702710c19fa1989961071ef014c761b35e1%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/student/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2133:a400:f:a35f:3100:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 6fefe4f02ea826a3e4349f625a57d0ea75b037c40c6a078451d18cc91679e6a1

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Sat, 20 Jan 2024 21:58:24 GMT
x-amz-version-id: null
via: 1.1 38eb62cecee463a32bb912440e440938.cloudfront.net (CloudFront)
last-modified: Wed, 19 Feb 2020 06:55:50 GMT
server: AmazonS3
x-amz-cf-pop: LHR3-C2
age: 2544316
etag: "ecf35e5ddc7af8e4ce11214a1c2db8ee"
x-cache: Hit from cloudfront
cache-control: PUBLIC, max-age=2592000, must-revalidate
accept-ranges: bytes
content-length: 28922
x-amz-cf-id: srW9Ks7FFgk6DxrxZCwgzlt7StcjKoWrVytc7Bu7WgopWIqyNisxuw==
expires: Mon, 04 Mar 2019 06:22:29 GMT

GET
H2 200 f-d%3Aafb2337e3c94377adddfdd670ae11e680499bf22b942d69ef46eec9d%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
dr282zn36sxxg.cloudfront.net/datastreams/ 30 KB
31 KB 81ms
80ms Image
image/jpeg 2600:9000:2133:a400:f:a35f:3100:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://dr282zn36sxxg.cloudfront.net/datastreams/f-d%3Aafb2337e3c94377adddfdd670ae11e680499bf22b942d69ef46eec9d%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/student/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2133:a400:f:a35f:3100:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 30c198ce4baf04d4904b80fa3cb91fde36847717ffa87d6b963ca216d2549e17

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Sat, 27 Jan 2024 05:16:27 GMT
x-amz-version-id: null
via: 1.1 38eb62cecee463a32bb912440e440938.cloudfront.net (CloudFront)
last-modified: Sun, 26 Apr 2020 09:50:03 GMT
server: AmazonS3
x-amz-cf-pop: LHR3-C2
age: 1999633
etag: "c5b329ef83be361f20e03a803fdf2051"
x-cache: Hit from cloudfront
cache-control: PUBLIC, max-age=2592000, must-revalidate
accept-ranges: bytes
content-length: 30858
x-amz-cf-id: wzl_f5ZDLNdUw-je6GN9rTm4S-xt5DVGYBGnTAeNEDhPiZMalAGQYQ==
expires: Mon, 04 Mar 2019 06:22:29 GMT

GET
H2 200 f-d%3A232177104c15f4b1a76804d6676b5f4328be37c06417405efb049ee4%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
dr282zn36sxxg.cloudfront.net/datastreams/ 61 KB
62 KB 93ms
92ms Image
image/jpeg 2600:9000:2133:a400:f:a35f:3100:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://dr282zn36sxxg.cloudfront.net/datastreams/f-d%3A232177104c15f4b1a76804d6676b5f4328be37c06417405efb049ee4%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/student/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2133:a400:f:a35f:3100:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 25126901178c83cd96b89b1cc1248b87b3de5d1515e428bd30ad7c3194789a09

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

x-amz-version-id: null
date: Wed, 14 Feb 2024 14:03:34 GMT
via: 1.1 38eb62cecee463a32bb912440e440938.cloudfront.net (CloudFront)
last-modified: Sun, 26 Apr 2020 09:49:54 GMT
server: AmazonS3
x-amz-cf-pop: LHR3-C2
age: 412806
etag: "4b00414e8a3cb6432400ee586b837e82"
vary: Accept-Encoding
x-cache: Hit from cloudfront
cache-control: PUBLIC, max-age=2592000, must-revalidate
accept-ranges: bytes
content-length: 62492
x-amz-cf-id: tBloLzz_z2QH9IfEcNX5Ls-GHWpQRRq4yU26PPnDWb0mdysRROQypw==
expires: Mon, 04 Mar 2019 06:22:29 GMT

GET
H2 200 f-d%3Ac34e588ebc81e27d56fbfa80be3ed7f711ef7a80642bc3f53c675dc4%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
dr282zn36sxxg.cloudfront.net/datastreams/ 114 KB
114 KB 86ms
85ms Image
image/jpeg 2600:9000:2133:a400:f:a35f:3100:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://dr282zn36sxxg.cloudfront.net/datastreams/f-d%3Ac34e588ebc81e27d56fbfa80be3ed7f711ef7a80642bc3f53c675dc4%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/student/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2133:a400:f:a35f:3100:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 9127f1fac25c5b7565a9f3fdcff673e421835843e470943ae0ef0e433650857b

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 11:05:33 GMT
x-amz-version-id: null
via: 1.1 38eb62cecee463a32bb912440e440938.cloudfront.net (CloudFront)
last-modified: Fri, 05 Feb 2021 18:06:50 GMT
server: AmazonS3
x-amz-cf-pop: LHR3-C2
age: 1028286
etag: "12051981b17777ae3a07b2618b3beb54"
x-cache: Hit from cloudfront
cache-control: PUBLIC, max-age=2592000, must-revalidate
accept-ranges: bytes
content-length: 116355
x-amz-cf-id: KUbCj2O8E22AYjbUSD81WjUscIf-IZ6FDNSffsiiXn7K4lv1nWSnDg==
expires: Mon, 16 Nov 2020 07:05:22 GMT

GET
H2 200 f-d%3A0ec3dc97d374f29679dfba8e091863329459559c5283efbf522b3698%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
dr282zn36sxxg.cloudfront.net/datastreams/ 50 KB
51 KB 84ms
83ms Image
image/jpeg 2600:9000:2133:a400:f:a35f:3100:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://dr282zn36sxxg.cloudfront.net/datastreams/f-d%3A0ec3dc97d374f29679dfba8e091863329459559c5283efbf522b3698%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/student/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2133:a400:f:a35f:3100:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: a3c5bbace79b6de0232f4119988e92d664326e39356ab4f5e7c9c298ef0d92a6

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

x-amz-version-id: null
date: Mon, 29 Jan 2024 19:33:40 GMT
via: 1.1 38eb62cecee463a32bb912440e440938.cloudfront.net (CloudFront)
last-modified: Fri, 05 Feb 2021 18:06:42 GMT
server: AmazonS3
x-amz-cf-pop: LHR3-C2
age: 1775400
etag: "b48b4a738dba3c86494e68a0d23c678d"
vary: Accept-Encoding
x-cache: Hit from cloudfront
cache-control: PUBLIC, max-age=2592000, must-revalidate
accept-ranges: bytes
content-length: 51410
x-amz-cf-id: 0uO2IiLEsQI4c7SW86MVkNBWoMjNRs61tTans6K5Zp3u94HC2NBTgQ==
expires: Mon, 16 Nov 2020 07:05:22 GMT

GET
H2 200 f-d%3A7af6f150cc771c81fe9dbf66bce159db4534bc642e870b191d835b79%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
dr282zn36sxxg.cloudfront.net/datastreams/ 148 KB
148 KB 87ms
86ms Image
image/jpeg 2600:9000:2133:a400:f:a35f:3100:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://dr282zn36sxxg.cloudfront.net/datastreams/f-d%3A7af6f150cc771c81fe9dbf66bce159db4534bc642e870b191d835b79%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/student/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2133:a400:f:a35f:3100:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: c293196cb10a169ab1c90dde042f1637cd5f588eb63122e6504a9c1a631e0fac

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Sun, 21 Jan 2024 11:01:09 GMT
x-amz-version-id: null
via: 1.1 38eb62cecee463a32bb912440e440938.cloudfront.net (CloudFront)
last-modified: Fri, 05 Feb 2021 18:06:35 GMT
server: AmazonS3
x-amz-cf-pop: LHR3-C2
age: 2497351
etag: "b49a5ff1d36c5b6e8b5b3a01c7c11d31"
x-cache: Hit from cloudfront
cache-control: PUBLIC, max-age=2592000, must-revalidate
accept-ranges: bytes
content-length: 151311
x-amz-cf-id: gf5RxHbklChVIOiwZ9wVtU_QMimVRlEHYGmM4pA_ohDBOkO70D3_WA==
expires: Mon, 16 Nov 2020 07:05:22 GMT

GET
H2 200 f-d%3Ad024d0f18eb136729bf7604cbb5445df95bb9753a79eb88edc84fb57%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
dr282zn36sxxg.cloudfront.net/datastreams/ 9 KB
9 KB 83ms
83ms Image
image/png 2600:9000:2133:a400:f:a35f:3100:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://dr282zn36sxxg.cloudfront.net/datastreams/f-d%3Ad024d0f18eb136729bf7604cbb5445df95bb9753a79eb88edc84fb57%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/student/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2133:a400:f:a35f:3100:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: c52ee0466d5edb80d348d2bab37c7a0c8aad391320904c40a976e591cbcc7dbf

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

x-amz-version-id: null
date: Sat, 03 Feb 2024 17:22:47 GMT
via: 1.1 38eb62cecee463a32bb912440e440938.cloudfront.net (CloudFront)
last-modified: Mon, 11 Jan 2021 18:07:37 GMT
server: AmazonS3
x-amz-cf-pop: LHR3-C2
age: 1351253
etag: "bba0120366382993d63379d96e4ef3a0"
vary: Accept-Encoding
x-cache: Hit from cloudfront
cache-control: PUBLIC, max-age=2592000, must-revalidate
accept-ranges: bytes
content-length: 8817
x-amz-cf-id: zZqPRWN5mobGsz-jFDczRUIb1rIO6UaUIJDJPvsdcG3Rc-Dr5jcTpA==
expires: Mon, 16 Nov 2020 07:05:22 GMT

GET
H2 200 f-d%3Afa6c084419a119b131367fe6699d426bb6eb97c1177388f4e6c50d2c%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
dr282zn36sxxg.cloudfront.net/datastreams/ 42 KB
43 KB 90ms
89ms Image
image/png 2600:9000:2133:a400:f:a35f:3100:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://dr282zn36sxxg.cloudfront.net/datastreams/f-d%3Afa6c084419a119b131367fe6699d426bb6eb97c1177388f4e6c50d2c%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/student/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2133:a400:f:a35f:3100:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: ac0ca87dbf9f22fe04d82d5908abfe65f634feac5654f17d0e3b5568738e754e

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Sun, 04 Feb 2024 13:43:55 GMT
x-amz-version-id: null
via: 1.1 38eb62cecee463a32bb912440e440938.cloudfront.net (CloudFront)
last-modified: Mon, 11 Jan 2021 18:07:26 GMT
server: AmazonS3
x-amz-cf-pop: LHR3-C2
age: 1277985
etag: "f0c72796c8cee93aba5dd0e75188dd4b"
x-cache: Hit from cloudfront
cache-control: PUBLIC, max-age=2592000, must-revalidate
accept-ranges: bytes
content-length: 43398
x-amz-cf-id: nDrJ_HD8uEyyVUhpI4-EPPOmgUXNTXn6_xP0TNHP9V3to6MZ_nn2lQ==
expires: Mon, 16 Nov 2020 07:05:22 GMT

GET
H2 200 f-d%3A736ac92beeb773b13d3dea4e6dfdda82f94de8a96d1a4853738240b2%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
dr282zn36sxxg.cloudfront.net/datastreams/ 46 KB
46 KB 90ms
89ms Image
image/jpeg 2600:9000:2133:a400:f:a35f:3100:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://dr282zn36sxxg.cloudfront.net/datastreams/f-d%3A736ac92beeb773b13d3dea4e6dfdda82f94de8a96d1a4853738240b2%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
Requested by: Host: flexbooks.ck12.org
URL: https://flexbooks.ck12.org/flexbooks/student/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2133:a400:f:a35f:3100:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 71ead1b6fb3215ed5ab56148c8e2c42609893ea7bb5d9cb94e9679fa4d62f3fe

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

x-amz-version-id: null
date: Sat, 03 Feb 2024 20:20:42 GMT
via: 1.1 38eb62cecee463a32bb912440e440938.cloudfront.net (CloudFront)
last-modified: Thu, 23 Apr 2020 07:28:39 GMT
server: AmazonS3
x-amz-cf-pop: LHR3-C2
age: 1340578
etag: "9d8204b4692d679874f8dc2525b8b49d"
vary: Accept-Encoding
x-cache: Hit from cloudfront
cache-control: PUBLIC, max-age=2592000, must-revalidate
accept-ranges: bytes
content-length: 46787
x-amz-cf-id: nv0VBs4_M4AAMgl_cngpuoKZWO39ypxpyFKfi4uOOOYItq_wE3uYVA==
expires: Mon, 04 Mar 2019 06:22:29 GMT

GET
H2 200 linkid.js Show response
www.google-analytics.com/plugins/ua/ 2 KB
1 KB 8ms
7ms Script
text/javascript 2a00:1450:4001:80b::200e
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.google-analytics.com/plugins/ua/linkid.js

Requested by

Host: www.google-analytics.com
URL: https://www.google-analytics.com/analytics.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:80b::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

sffe /

Resource Hash

92fca55833f48b4289ac8f1cedd48752b580fce4ec4b5d81670b8193d6e51b54

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Xss-Protection	0

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Mon, 19 Feb 2024 08:37:20 GMT
content-encoding: br
x-content-type-options: nosniff
age: 379
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 697
x-xss-protection: 0
last-modified: Fri, 30 Jun 2023 18:58:00 GMT
server: sffe
vary: Accept-Encoding
report-to: {"group":"static-on-bigtable","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/static-on-bigtable"}]}
content-type: text/javascript
cache-control: public, max-age=3600
accept-ranges: bytes
cross-origin-opener-policy-report-only: same-origin; report-to="static-on-bigtable"
expires: Mon, 19 Feb 2024 09:37:20 GMT

POST
H2 204 collect
region1.google-analytics.com/g/ 0
256 B 36ms
14ms Ping
text/plain 2001:4860:4802:34::36
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL: https://region1.google-analytics.com/g/collect?v=2&tid=G-7PBE4L0PZZ&gtm=45je42e0v873422330z86316912za200&_p=1708332218595&gcd=13l3l3l3l1&npa=0&dma_cps=sypham&dma=1&cid=201256315.1708332219&ul=en-us&sr=1600x1200&uaa=&uab=&uafvl=&uamb=0&uam=&uap=&uapv=&uaw=0&pscdl=noapi&_s=1&sid=1708332219&sct=1&seg=0&dl=https%3A%2F%2Fflexbooks.ck12.org%2Fflexbooks%2Fstudent%2F&dt=K-12%20FlexBooks%20%7C%20CK-12%20Foundation&en=page_view&_fv=1&_ss=1&up.ck12_user_role=null&up.ck12_user_id=null&tfd=1339
Requested by: Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-7PBE4L0PZZ&l=dataLayer&cx=c
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2001:4860:4802:34::36 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software: Golfe2 /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

pragma: no-cache
date: Mon, 19 Feb 2024 08:43:39 GMT
server: Golfe2
content-type: text/plain
access-control-allow-origin: https://flexbooks.ck12.org
cache-control: no-cache, no-store, must-revalidate
access-control-allow-credentials: true
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

POST
H3 200 collect Show response
www.google-analytics.com/j/ 3 B
23 B 15ms
14ms XHR
text/plain 2a00:1450:4001:80b::200e
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.google-analytics.com/j/collect?v=1&_v=j101&a=128604163&t=pageview&_s=1&dl=https%3A%2F%2Fflexbooks.ck12.org%2Fflexbooks%2Fstudent%2F&dp=%2Fflexbooks%2F&ul=en-us&de=UTF-8&dt=K-12%20FlexBooks%20%7C%20CK-12%20Foundation&sd=24-bit&sr=1600x1200&vp=1600x1200&je=0&_u=aGBAAEAjAAAAACAAI~&jid=203923697&gjid=900116453&cid=201256315.1708332219&tid=UA-5330854-2&_gid=234386117.1708332219&_r=1&_slc=1&gtm=45He42e0n71NFJ3V2v6316912za200&gcd=13l3l3l3l1&dma_cps=sypham&dma=1&z=762019877

Requested by

Host: browser.sentry-cdn.com
URL: https://browser.sentry-cdn.com/7.101.1/bundle.es5.min.js

Protocol

Security

QUIC, , AES_128_GCM

Server

2a00:1450:4001:80b::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Golfe2 /

Resource Hash

1cffc2b3146584685cd72751d7f28aa030ab9ae2f1bc78f2c27909f8d8287b26

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

Referer: https://flexbooks.ck12.org/
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36
Content-Type: text/plain

Response headers

pragma: no-cache
date: Mon, 19 Feb 2024 08:43:39 GMT
x-content-type-options: nosniff
last-modified: Sun, 17 May 1998 03:00:00 GMT
server: Golfe2
content-type: text/plain
access-control-allow-origin: https://flexbooks.ck12.org
cache-control: no-cache, no-store, must-revalidate
access-control-allow-credentials: true
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 3
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H2 200 131eeb0def9f43ef9c76f1c2d143cb31.min.js Show response
js.sentry-cdn.com/ 2 KB
1 KB 9ms
8ms Script
text/javascript 2a04:4e42::729
FASTLY

General

Check archive.org

Show headers Download Go to

Full URL

https://js.sentry-cdn.com/131eeb0def9f43ef9c76f1c2d143cb31.min.js

Requested by

Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-NFJ3V2

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

2a04:4e42::729 , United States, ASN54113 (FASTLY, US),

Reverse DNS

Software

Resource Hash

0ba94c34d95bafcd76df10a15f20ff40712c71102c5fdea7083ed64f760eff1b

Security Headers

Name	Value
Content-Security-Policy	script-src 'self' 'unsafe-inline' 'report-sample' s1.sentry-cdn.com js.sentry-cdn.com browser.sentry-cdn.com statuspage-production.s3.amazonaws.com static.zdassets.com aui-cdn.atlassian.com connect-cdn.atl-paas.net js.stripe.com 'strict-dynamic' cdn.pendo.io data.pendo.io pendo-io-static.storage.googleapis.com pendo-static-5634074999128064.storage.googleapis.com; media-src ; frame-ancestors 'self' .sentry.io; font-src * data:; img-src blob: data: ; style-src 'unsafe-inline' ; base-uri 'none'; default-src 'none'; connect-src 'self' .algolia.net .algolianet.com .algolia.io sentry.io .sentry.io s1.sentry-cdn.com o1.ingest.sentry.io api2.amplitude.com app.pendo.io data.pendo.io reload.getsentry.net t687h3m0nh65.statuspage.io sentry.zendesk.com ekr.zdassets.com maps.googleapis.com; frame-src app.pendo.io demo.arcade.software js.stripe.com sentry.io; object-src 'none'; worker-src blob:; report-uri https://o1.ingest.sentry.io/api/54785/security/?sentry_key=f724a8a027db45f5b21507e7142ff78e&sentry_release=7015fe95ac1a2027b521ca9b8406722aaafbbc05
Strict-Transport-Security	max-age=31536000; includeSubDomains
X-Content-Type-Options	nosniff
X-Frame-Options	deny
X-Xss-Protection	1; mode=block

Request headers

Referer: https://flexbooks.ck12.org/
Origin: https://flexbooks.ck12.org
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

content-security-policy: script-src 'self' 'unsafe-inline' 'report-sample' s1.sentry-cdn.com js.sentry-cdn.com browser.sentry-cdn.com statuspage-production.s3.amazonaws.com static.zdassets.com aui-cdn.atlassian.com connect-cdn.atl-paas.net js.stripe.com 'strict-dynamic' cdn.pendo.io data.pendo.io pendo-io-static.storage.googleapis.com pendo-static-5634074999128064.storage.googleapis.com; media-src *; frame-ancestors 'self' *.sentry.io; font-src * data:; img-src blob: data: *; style-src 'unsafe-inline' *; base-uri 'none'; default-src 'none'; connect-src 'self' *.algolia.net *.algolianet.com *.algolia.io sentry.io *.sentry.io s1.sentry-cdn.com o1.ingest.sentry.io api2.amplitude.com app.pendo.io data.pendo.io reload.getsentry.net t687h3m0nh65.statuspage.io sentry.zendesk.com ekr.zdassets.com maps.googleapis.com; frame-src app.pendo.io demo.arcade.software js.stripe.com sentry.io; object-src 'none'; worker-src blob:; report-uri https://o1.ingest.sentry.io/api/54785/security/?sentry_key=f724a8a027db45f5b21507e7142ff78e&sentry_release=7015fe95ac1a2027b521ca9b8406722aaafbbc05
content-encoding: gzip
x-content-type-options: nosniff
date: Mon, 19 Feb 2024 08:43:39 GMT
strict-transport-security: max-age=31536000; includeSubDomains
age: 37
x-envoy-upstream-service-time: 20
content-length: 1215
x-xss-protection: 1; mode=block
x-served-by: getsentry-web-default-common-production-955d47d8c-z9jtb, cache-chi-kigq8000095-CHI, cache-fra-etou8220022-FRA
x-frame-options: deny
vary: Accept-Encoding
content-type: text/javascript
access-control-allow-origin: *
cache-control: public, max-age=3600, s-maxage=60, stale-while-revalidate=315360000, stale-if-error=315360000
x-envoy-attempt-count: 1
accept-ranges: bytes
timing-allow-origin: *

GET
H2 200 bundle.es5.min.js Show response
browser.sentry-cdn.com/7.101.1/ 89 KB
28 KB 6ms
6ms Script
application/javascript 2a04:4e42::729
FASTLY

General

Check archive.org

Show headers Download Go to

Full URL

https://browser.sentry-cdn.com/7.101.1/bundle.es5.min.js

Requested by

Host: js.sentry-cdn.com
URL: https://js.sentry-cdn.com/131eeb0def9f43ef9c76f1c2d143cb31.min.js

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

2a04:4e42::729 , United States, ASN54113 (FASTLY, US),

Reverse DNS

Software

Fastly /

Resource Hash

a13abd982d3ff40d9feabacb4576996dd2d48e83c0ace9f951ef60d5bbc787e2

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000; includeSubDomains

Request headers

Referer: https://flexbooks.ck12.org/
Origin: https://flexbooks.ck12.org
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Mon, 19 Feb 2024 08:43:39 GMT
content-encoding: gzip
strict-transport-security: max-age=31536000; includeSubDomains
last-modified: Thu, 15 Feb 2024 10:51:37 GMT
server: Fastly
age: 333695
etag: "850d0d0a90f39ed9c6065fed5c2a1d8f"
vary: Accept-Encoding
content-type: application/javascript; charset=utf-8
access-control-allow-origin: *
cache-control: public, max-age=31536000
accept-ranges: bytes
content-length: 28485
expires: Fri, 14 Feb 2025 12:02:03 GMT

GET
H3 200 280.js Show response
static2.ck12.org/media/build-20240207081958/course-book-app/dist/ 25 KB
7 KB 11ms
10ms Script
application/javascript 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/280.js
Requested by: Host: static3.ck12.org
URL: https://static3.ck12.org/media/build-20240207081958/course-book-app/dist/main.js
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 7816f2470d00a99cca058a10ecdf3f0082b214a56c32d70be7608b0199dc3d2d

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:26 GMT
content-encoding: gzip
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:36 GMT
server: AmazonS3
age: 1032134
x-amz-cf-pop: FRA50-C1
etag: W/"62fc29a871a32c015929d9433539d113"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: RgiU1CUmY7eDfXYernKPVyug1IXF6D1S0ooCyvoSXdjDcGkgzl8cSw==

GET
H3 200 3286.js Show response
static2.ck12.org/media/build-20240207081958/course-book-app/dist/ 101 KB
35 KB 13ms
13ms Script
application/javascript 2600:9000:2156:7000:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20240207081958/course-book-app/dist/3286.js
Requested by: Host: static3.ck12.org
URL: https://static3.ck12.org/media/build-20240207081958/course-book-app/dist/main.js
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:2156:7000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 0a8185be690b17583f7cc6b460852ec288beaed805969594dd5bf3ed31899bd7

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://flexbooks.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date: Wed, 07 Feb 2024 10:01:26 GMT
content-encoding: gzip
via: 1.1 5721f7035c3fc934bd3f96dbb04ba1e4.cloudfront.net (CloudFront)
last-modified: Wed, 07 Feb 2024 09:54:36 GMT
server: AmazonS3
age: 1032134
x-amz-cf-pop: FRA50-C1
etag: W/"d914534f5e982c59df450e2cf609ea87"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: PbnCbG0gr3sYUIaKfa-unqL37I62kNdAHkt5Ul3LxV8w2kEEfknTBg==

Verdicts & Comments Add Verdict or Comment

52 JavaScript Global Variables

These are the non-standard "global" variables defined on the window object. These can be helpful in identifying possible client-side frameworks and code.

10 Cookies

Cookies are little pieces of information stored in the browser of a user. Whenever a user visits the site again, he will also send his cookie values, thus allowing the website to re-identify him even if he changed locations. This is how permanent logins work.

Domain/Path	Expires	Name / Value
flexbooks.ck12.org/	1970-01-20 18:33:38	Name: X-Ck12-Cdn-Version Value: 202402070201
.ck12.org/	1970-01-20 18:32:14	Name: dexterjsSessionID Value: JFnNcvdbqCzc4WXSzrm8xduX4
.ck12.org/	1970-01-20 22:51:24	Name: dexterjsVisitorID Value: 8AC700GIhNHObjquWuhX6GwUV
.ck12.org/	1970-01-20 20:41:48	Name: _gcl_au Value: 1.1.305018090.1708332219
.ck12.org/	1970-01-20 18:32:12	Name: flxweb_role Value: student
.ck12.org/	1970-01-20 18:33:38	Name: _gid Value: GA1.2.234386117.1708332219
.ck12.org/	1970-01-21 04:08:12	Name: _ga Value: GA1.1.201256315.1708332219
.ck12.org/	1970-01-21 04:08:12	Name: _ga_7PBE4L0PZZ Value: GS1.1.1708332219.1.0.1708332219.0.0.0
.ck12.org/	1970-01-20 18:42:17	Name: ck:country Value: DE
.ck12.org/	1970-01-20 18:32:12	Name: _gat Value: 1

Security Headers

This page lists any security headers set by the main page. If you want to understand what these mean and how to use them, head on over to this page

Header	Value
Content-Security-Policy	frame-ancestors 'self' https://*.ck12.org; report-uri https://csp-report.ck12.org; report-to ck12-csp-endpoint;
Strict-Transport-Security	max-age=31536000; includeSubDomains; preload
X-Content-Type-Options	nosniff

Indicators

This is a term in the security industry to describe indicators such as IPs, Domains, Hashes, etc. This does not imply that any of these indicate malicious activity.

accounts.google.com
browser.sentry-cdn.com
capi.ck12.org
cdn.mxpnl.com
d3lkjnwva6z405.cloudfront.net
dr282zn36sxxg.cloudfront.net
flexbooks.ck12.org
js.sentry-cdn.com
region1.google-analytics.com
static.ck12.org
static1.ck12.org
static2.ck12.org
static3.ck12.org
tinymce.ck12.org
www.ck12.org
www.google-analytics.com
www.googletagmanager.com
18.66.122.99
2001:4860:4802:34::36
2600:1901:0:bc29::
2600:9000:2133:a400:f:a35f:3100:93a1
2600:9000:2156:7000:8:f05f:c540:93a1
2600:9000:2156:8600:8:f05f:c540:93a1
2600:9000:2156:9a00:8:f05f:c540:93a1
2600:9000:2156:ca00:8:f05f:c540:93a1
2600:9000:21f3:d400:1f:8b19:b780:93a1
2600:9000:2250:2600:14:71e4:46c0:93a1
2600:9000:2646:8000:12:aac7:4140:93a1
2a00:1450:4001:80b::200e
2a00:1450:4001:80e::2008
2a00:1450:400c:c0a::54
2a04:4e42::729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flexbooks.ck12.org Open in urlscan Pro 2600:9000:2156:9a00:8:f05f:c540:93a1 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

Screenshot Live screenshot Full Image

Page Title

Page URL History Show full URLs

Detected technologies

Page Statistics

132 Requests

100 %HTTPS

93 %IPv6

7 Domains

17 Subdomains

16 IPs

3 Countries

2695 kBTransfer

4925 kBSize

10 Cookies

68 Outgoing links

Page URL History

Redirected requests

132 HTTP transactions Everything HTML Script AJAX CSS Image Expand all 9 data transactions

Request headers

Response headers

Redirect headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

flexbooks.ck12.org Open in urlscan Pro
2600:9000:2156:9a00:8:f05f:c540:93a1 Public Scan

Screenshot
Live screenshot

Full Image

132
Requests

100 %
HTTPS

93 %
IPv6

7
Domains

17
Subdomains

16
IPs

3
Countries

2695 kB
Transfer

4925 kB
Size

10
Cookies

132 HTTP transactions
9 data transactions