www.ck12.org Open in urlscan Pro
2600:9000:23cb:1200:8:f05f:c540:93a1 Public Scan

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Add Verdict Report

Submitted URL:
https://ck12.org/
Effective URL:
https://www.ck12.org/student/
Submission: On March 21 via manual (March 21st 2023, 6:17:29 pm UTC) from US — Scanned from US

Summary HTTP 126 Redirects Links 65 Behaviour Indicators

Summary

This website contacted 21 IPs in 1 countries across 10 domains to perform 126 HTTP transactions. The main IP is 2600:9000:23cb:1200:8:f05f:c540:93a1, located in United States and belongs to AMAZON-02, US. The main domain is www.ck12.org. The Cisco Umbrella rank of the primary domain is 39283.
TLS certificate: Issued by Go Daddy Secure Certificate Authority... on December 6th 2022. Valid for: a year.

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

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
1 1	2600:9000:23c... 2600:9000:23cb:f200:8:f05f:c540:93a1	16509 (AMAZON-02) (AMAZON-02)
1 14	2600:9000:23c... 2600:9000:23cb:1200:8:f05f:c540:93a1	16509 (AMAZON-02) (AMAZON-02)
5	2600:9000:23c... 2600:9000:23cb:7800:8:f05f:c540:93a1	16509 (AMAZON-02) (AMAZON-02)
51	2600:9000:23c... 2600:9000:23cb:7e00:8:f05f:c540:93a1	16509 (AMAZON-02) (AMAZON-02)
4	2600:9000:23c... 2600:9000:23cb:3400:8:f05f:c540:93a1	16509 (AMAZON-02) (AMAZON-02)
3	13.225.223.109 13.225.223.109	16509 (AMAZON-02) (AMAZON-02)
3	2607:f8b0:400... 2607:f8b0:4006:822::200d	15169 (GOOGLE) (GOOGLE)
5	2600:9000:24f... 2600:9000:24f0:4a00:12:aac7:4140:93a1	16509 (AMAZON-02) (AMAZON-02)
12	2600:9000:251... 2600:9000:2510:5a00:1f:8b19:b780:93a1	16509 (AMAZON-02) (AMAZON-02)
2	2607:f8b0:400... 2607:f8b0:4006:80e::2008	15169 (GOOGLE) (GOOGLE)
1	2607:f8b0:400... 2607:f8b0:4006:81c::200e	15169 (GOOGLE) (GOOGLE)
12	2600:9000:220... 2600:9000:2209:1600:f:a35f:3100:93a1	16509 (AMAZON-02) (AMAZON-02)
1	2600:9000:24f... 2600:9000:24f0:9c00:14:71e4:46c0:93a1	16509 (AMAZON-02) (AMAZON-02)
4	2607:f8b0:400... 2607:f8b0:4006:80b::200e	15169 (GOOGLE) (GOOGLE)
1	2600:1901:0:4... 2600:1901:0:498c::	15169 (GOOGLE) (GOOGLE)
2	2a04:4e42:400... 2a04:4e42:400::729	54113 (FASTLY) (FASTLY)
4	2607:f8b0:400... 2607:f8b0:4006:81c::2003	15169 (GOOGLE) (GOOGLE)
1	2607:f8b0:400... 2607:f8b0:4006:80d::200a	15169 (GOOGLE) (GOOGLE)
1	2607:f8b0:400... 2607:f8b0:4006:820::2004	15169 (GOOGLE) (GOOGLE)
1	35.186.241.51 35.186.241.51	() ()
126	21

1 2600:9000:23cb:f200:8:f05f:c540:93a1 (United States) 1 redirects

ASN16509 (AMAZON-02, US)

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

14 2600:9000:23cb:1200:8:f05f:c540:93a1 (United States) 1 redirects

ASN16509 (AMAZON-02, US)

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

5 2600:9000:23cb:7800:8:f05f:c540:93a1 (United States)

ASN16509 (AMAZON-02, US)

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

51 2600:9000:23cb:7e00:8:f05f:c540:93a1 (United States)

ASN16509 (AMAZON-02, US)

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

4 2600:9000:23cb:3400:8:f05f:c540:93a1 (United States)

ASN16509 (AMAZON-02, US)

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

3 13.225.223.109 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-13-225-223-109.jfk51.r.cloudfront.net

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

3 2607:f8b0:4006:822::200d (Nutley, United States)

ASN15169 (GOOGLE, US)

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

5 2600:9000:24f0:4a00:12:aac7:4140:93a1 (United States)

ASN16509 (AMAZON-02, US)

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

12 2600:9000:2510:5a00:1f:8b19:b780:93a1 (United States)

ASN16509 (AMAZON-02, US)

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

2 2607:f8b0:4006:80e::2008 (Nutley, United States)

ASN15169 (GOOGLE, US)

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

1 2607:f8b0:4006:81c::200e (Nutley, United States)

ASN15169 (GOOGLE, US)

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

12 2600:9000:2209:1600:f:a35f:3100:93a1 (United States)

ASN16509 (AMAZON-02, US)

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

1 2600:9000:24f0:9c00:14:71e4:46c0:93a1 (United States)

ASN16509 (AMAZON-02, US)

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

4 2607:f8b0:4006:80b::200e (Nutley, United States)

ASN15169 (GOOGLE, US)

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

1 2600:1901:0:498c:: (Kansas City, United States)

ASN15169 (GOOGLE, US)

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

2 2a04:4e42:400::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

4 2607:f8b0:4006:81c::2003 (Nutley, United States)

ASN15169 (GOOGLE, US)

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

1 2607:f8b0:4006:80d::200a (Nutley, United States)

ASN15169 (GOOGLE, US)

translate.googleapis.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2607:f8b0:4006:820::2004 (Nutley, United States)

ASN15169 (GOOGLE, US)

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

1 35.186.241.51 (None, )

ASN- ()

api-js.mixpanel.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
91	ck12.org 2 redirects ck12.org — Cisco Umbrella Rank: 34405 www.ck12.org — Cisco Umbrella Rank: 39283 static1.ck12.org — Cisco Umbrella Rank: 50057 static2.ck12.org — Cisco Umbrella Rank: 47241 static3.ck12.org — Cisco Umbrella Rank: 54032 tinymce.ck12.org — Cisco Umbrella Rank: 52305 static.ck12.org — Cisco Umbrella Rank: 47976 capi.ck12.org — Cisco Umbrella Rank: 63244	1007 KB
17	cloudfront.net d3lkjnwva6z405.cloudfront.net dr282zn36sxxg.cloudfront.net	343 KB
5	google.com accounts.google.com — Cisco Umbrella Rank: 73 translate.google.com — Cisco Umbrella Rank: 1172 www.google.com — Cisco Umbrella Rank: 2	106 KB
4	gstatic.com www.gstatic.com	12 KB
4	google-analytics.com www.google-analytics.com — Cisco Umbrella Rank: 25	21 KB
2	sentry-cdn.com js.sentry-cdn.com — Cisco Umbrella Rank: 5060 browser.sentry-cdn.com — Cisco Umbrella Rank: 3908	22 KB
2	googletagmanager.com www.googletagmanager.com — Cisco Umbrella Rank: 42	175 KB
1	mixpanel.com api-js.mixpanel.com	369 B
1	googleapis.com translate.googleapis.com — Cisco Umbrella Rank: 810	74 KB
1	mxpnl.com cdn.mxpnl.com — Cisco Umbrella Rank: 3011	18 KB
126	10

	Domain	Requested by
51	static2.ck12.org	www.ck12.org static3.ck12.org static1.ck12.org static2.ck12.org
14	www.ck12.org	1 redirects www.ck12.org static3.ck12.org static.ck12.org static2.ck12.org
12	dr282zn36sxxg.cloudfront.net	www.ck12.org
12	static.ck12.org	www.ck12.org static2.ck12.org
5	d3lkjnwva6z405.cloudfront.net	www.ck12.org d3lkjnwva6z405.cloudfront.net
5	static1.ck12.org	www.ck12.org
4	www.gstatic.com	www.gstatic.com translate.googleapis.com www.ck12.org
4	www.google-analytics.com	www.googletagmanager.com www.google-analytics.com
4	static3.ck12.org	www.ck12.org
3	accounts.google.com	www.ck12.org accounts.google.com
3	tinymce.ck12.org	www.ck12.org tinymce.ck12.org
2	www.googletagmanager.com	www.ck12.org www.googletagmanager.com
1	api-js.mixpanel.com	browser.sentry-cdn.com
1	www.google.com	www.ck12.org
1	browser.sentry-cdn.com	js.sentry-cdn.com
1	translate.googleapis.com
1	js.sentry-cdn.com	www.googletagmanager.com
1	cdn.mxpnl.com	www.ck12.org
1	capi.ck12.org	www.ck12.org
1	translate.google.com	static3.ck12.org
1	ck12.org	1 redirects
126	21

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

Domain
ck12support.zendesk.com
flexbooks.ck12.org
interactives.ck12.org
www.ck12info.org
ck12.org
status.ck12.org
blog.ck12info.org
www.facebook.com
twitter.com
www.linkedin.com
www.pinterest.com

Subject Issuer	Validity	Valid
*.ck12.org Go Daddy Secure Certificate Authority - G2	`2022-12-06` - `2024-01-07`	a year	crt.sh
accounts.google.com GTS CA 1C3	`2023-03-02` - `2023-05-25`	3 months	crt.sh
*.cloudfront.net Amazon RSA 2048 M01	`2022-12-08` - `2023-12-07`	a year	crt.sh
*.google-analytics.com GTS CA 1C3	`2023-03-02` - `2023-05-25`	3 months	crt.sh
*.google.com GTS CA 1C3	`2023-03-02` - `2023-05-25`	3 months	crt.sh
*.mxpnl.com GeoTrust Global TLS RSA4096 SHA256 2022 CA1	`2022-07-11` - `2023-07-28`	a year	crt.sh
*.sentry-cdn.com GlobalSign Atlas R3 DV TLS CA 2022 Q3	`2022-09-28` - `2023-10-30`	a year	crt.sh
*.gstatic.com GTS CA 1C3	`2023-03-02` - `2023-05-25`	3 months	crt.sh
upload.video.google.com GTS CA 1C3	`2023-03-02` - `2023-05-25`	3 months	crt.sh
www.google.com GTS CA 1C3	`2023-03-02` - `2023-05-25`	3 months	crt.sh
*.mixpanel.com GeoTrust Global TLS RSA4096 SHA256 2022 CA1	`2023-02-13` - `2024-03-15`	a year	crt.sh

This page contains 3 frames:

Primary Page: https://www.ck12.org/student/
Frame ID: 374EC1EED916A4E7578533310162B4EE
Requests: 130 HTTP requests in this frame

Frame: data://truncated
Frame ID: 2BC78DA4F80633B4AD41EFAD4C64FDC2
Requests: 1 HTTP requests in this frame

Frame: https://www.gstatic.com/_/translate_http/_/ss/k=translate_http.tr.69JJaQ5G5xA.L.W.O/d=0/rs=AN8SPfpC36MIoWPngdVwZ4RUzeJYZaC7rg/m=el_main_css
Frame ID: 161A26903C022F3A7A29592BF1858408
Requests: 1 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

Free Online Textbooks, Flashcards, Adaptive Practice, Real World Examples, Simulations

Page URL History Show full URLs

https://ck12.org/ HTTP 301
https://www.ck12.org/ HTTP 302
https://www.ck12.org/student/ 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

126
Requests

100 %
HTTPS

90 %
IPv6

10
Domains

21
Subdomains

21
IPs

1
Countries

1778 kB
Transfer

4140 kB
Size

10
Cookies

65 Outgoing links

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

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://flexbooks.ck12.org/cbook/ck-12-middle-school-earth-science-flexbook-2.0/
Title: Earth Science

Search URL Search Domain Scan URL

URL: https://flexbooks.ck12.org/cbook/ck-12-middle-school-life-science-2.0/
Title: Life Science

Search URL Search Domain Scan URL

URL: https://flexbooks.ck12.org/cbook/ck-12-middle-school-physical-science-flexbook-2.0/
Title: Physical Science

Search URL Search Domain Scan URL

URL: https://flexbooks.ck12.org/cbook/ck-12-biology-flexbook-2.0/
Title: Biology

Search URL Search Domain Scan URL

URL: https://flexbooks.ck12.org/cbook/ck-12-chemistry-flexbook-2.0/
Title: Chemistry

Search URL Search Domain Scan URL

URL: https://flexbooks.ck12.org/cbook/ck-12-physics-flexbook-2.0/
Title: Physics

Search URL Search Domain Scan URL

URL: https://flexbooks.ck12.org/user:zxbpc2rzcziwmthaz21hawwuy29t/cbook/episd-2019-2020-economics-with-emphasis-on-the-free-enterprise-system/
Title: Economics

Search URL Search Domain Scan URL

URL: https://flexbooks.ck12.org/user:zxbpc2r3z0blcglzzc5vcmc./cbook/episd-world-geo-2019
Title: Geography

Search URL Search Domain Scan URL

URL: https://flexbooks.ck12.org/user:zxbpc2rzcziwmthaz21hawwuy29t/cbook/episd-united-states-government-2019-2020/
Title: Government

Search URL Search Domain Scan URL

URL: https://flexbooks.ck12.org/user:zxbpc2rzcziwmthaz21hawwuy29t/cbook/world-history-studies_episd/
Title: World History

Search URL Search Domain Scan URL

URL: https://flexbooks.ck12.org/user:coachtgj/cbook/episd-philosophy/
Title: Philosophy

Search URL Search Domain Scan URL

URL: https://flexbooks.ck12.org/user:coachtgj/cbook/episd-sociology/
Title: Sociology

Search URL Search Domain Scan URL

URL: https://flexbooks.ck12.org/cbook/CK-12-Elementary-Intermediate-College-Algebra/
Title: College Algebra

Search URL Search Domain Scan URL

URL: https://flexbooks.ck12.org/cbook/CK-12-College-Precalculus/
Title: College Precalculus

Search URL Search Domain Scan URL

URL: https://flexbooks.ck12.org/user:jzeitlin36/cbook/advanced-mathematics-flexbook/?_ga=2.166808247.840084570.1598889079-1645995820.1573484157
Title: Linear Algebra

Search URL Search Domain Scan URL

URL: https://flexbooks.ck12.org/cbook/CK-12-College-Human-Biology-FlexBook-2.0/
Title: College Human Biology

Search URL Search Domain Scan URL

URL: https://flexbooks.ck12.org/user:planetfinder/cbook/origins-and-the-search-for-life-in-the-universe/?_ga=2.83210198.1104389108.1595864923-1645995820.1573484157
Title: The Universe

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://flexbooks.ck12.org/flexbooks/
Title: FlexBooks 2.0Customizable, digital textbooks in a new, interactive platform

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.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.ck12info.org/testimonials/
Title: Testimonials

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

Search URL Search Domain Scan URL

URL: https://flexbooks.ck12.org/cbook/ck-12-precalculus-concepts-2.0/
Title: PreCalculus

Search URL Search Domain Scan URL

URL: https://flexbooks.ck12.org/cbook/ck-12-interactive-algebra-2/
Title: Algebra 2

Search URL Search Domain Scan URL

URL: https://flexbooks.ck12.org/cbook/ck-12-interactive-geometry-for-ccss/
Title: Geometry

Search URL Search Domain Scan URL

URL: https://flexbooks.ck12.org/cbook/ck-12-interactive-algebra-1-for-ccss/
Title: Algebra 1

Search URL Search Domain Scan URL

URL: https://flexbooks.ck12.org/cbook/ck-12-interactive-middle-school-math-8-for-ccss/
Title: 8th Grade Math

Search URL Search Domain Scan URL

URL: https://flexbooks.ck12.org/cbook/ck-12-interactive-middle-school-math-7-for-ccss/
Title: 7th Grade Math

Search URL Search Domain Scan URL

URL: https://flexbooks.ck12.org/cbook/ck-12-interactive-middle-school-math-6-for-ccss/
Title: 6th Grade Math

Search URL Search Domain Scan URL

URL: https://ck12.org/elementary-math-grade-5/
Title: 5th Grade Math

Search URL Search Domain Scan URL

URL: https://ck12.org/elementary-math-grade-4/
Title: 4th Grade Math

Search URL Search Domain Scan URL

URL: https://ck12.org/elementary-math-grade-3/
Title: 3rd Grade Math

Search URL Search Domain Scan URL

URL: https://ck12.org/elementary-math-grade-2/
Title: 2nd Grade Math

Search URL Search Domain Scan URL

URL: https://ck12.org/elementary-math-grade-1/
Title: 1st Grade Math

Search URL Search Domain Scan URL

URL: https://flexbooks.ck12.org/user:thetechdog/cbook/digital-imaging-1:-digital-photography-basics/?_ga=2.186654635.2056442264.1579092194-214443809.1571840429
Title: Digital Imaging 1Community Contributed

Search URL Search Domain Scan URL

URL: https://flexbooks.ck12.org/user:thetechdog/cbook/digital-imaging-2:-digital-image-editing/
Title: Digital Imaging 2Community Contributed

Search URL Search Domain Scan URL

URL: https://flexbooks.ck12.org/user:yw5kcmvhx3bva3j6exdpbnnraubsa3nklm9yzw../cbook/lksd-digital-photography/
Title: PhotographyCommunity Contributed

Search URL Search Domain Scan URL

URL: https://interactives.ck12.org/plix/index.html?referrer=student
Title: Browse PLIX

Search URL Search Domain Scan URL

URL: https://interactives.ck12.org/simulations/physics.html?referrer=student&backUrl=https://www.ck12.org/student/
Title: Physics

Search URL Search Domain Scan URL

URL: https://interactives.ck12.org/simulations/chemistry.html?referrer=student&backUrl=https://www.ck12.org/student/
Title: Chemistry

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://blog.ck12info.org/
Title: Blog

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

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.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://ck12.org/ HTTP 301
https://www.ck12.org/ HTTP 302
https://www.ck12.org/student/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

126 HTTP transactions
11 data transactions

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

GET
H2

200

Primary Request / Show response
www.ck12.org/student/
Redirect Chain

https://ck12.org/
https://www.ck12.org/
https://www.ck12.org/student/

9 KB
4 KB

37ms
36ms

Document
text/html

2600:9000:23cb:1200:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://www.ck12.org/student/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2600:9000:23cb:1200:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

Apache/2.4.41 (Ubuntu) /

Resource Hash

22d2de04825139fb971fdfdfd7e4cadaa44262373e0393407d54cef9bdca639f

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/92.0.4515.131 Safari/537.36
accept-language: en-US,en;q=0.9

Response headers

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AMAZON-02

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Full URL

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Requested by

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AMAZON-02

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Full URL: https://static2.ck12.org/media/build-20230302082720/dexterjs/dexterjs.min.js
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https://www.ck12.org/env.json

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AMAZON-02

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Full URL

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

Requested by

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AMAZON-02

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Full URL

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AMAZON-02

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Show headers Download Go to Show image

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AMAZON-02

General

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Show headers Download Go to Show image

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Full URL

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AMAZON-02

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AMAZON-02

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AMAZON-02

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AMAZON-02

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AMAZON-02

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21 KB 301ms
155ms Image
image/jpeg 2600:9000:2209:1600:f:a35f:3100:93a1
AMAZON-02

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Full URL: https://dr282zn36sxxg.cloudfront.net/datastreams/f-d%3A4f7ebcdaceb0b002af5f5972d936051d3b087eaded0f774501f425ca%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
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Server: 2600:9000:2209:1600:f:a35f:3100:93a1 , United States, ASN16509 (AMAZON-02, US),
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Response headers

date: Thu, 02 Mar 2023 10:43:53 GMT
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29 KB 253ms
107ms Image
image/jpeg 2600:9000:2209:1600:f:a35f:3100:93a1
AMAZON-02

General

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Full URL: https://dr282zn36sxxg.cloudfront.net/datastreams/f-d%3Ac187554d335f5573909512ab31f2e63d8ba09d54844b2dcadd000326%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
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Response headers

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GET
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dr282zn36sxxg.cloudfront.net/datastreams/ 34 KB
35 KB 268ms
122ms Image
image/jpeg 2600:9000:2209:1600:f:a35f:3100:93a1
AMAZON-02

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Full URL: https://dr282zn36sxxg.cloudfront.net/datastreams/f-d%3A23f53c4ef7012687f0b1e1e3e005e05f004208292c4ad51bf3380513%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
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Response headers

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server: AmazonS3
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17 KB 175ms
29ms Image
image/jpeg 2600:9000:2209:1600:f:a35f:3100:93a1
AMAZON-02

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Full URL: https://dr282zn36sxxg.cloudfront.net/datastreams/f-d%3A92922b43219fb4f873316388f12cb6111dae448fb3ebc29682f2d5c0%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
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Response headers

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23 KB 190ms
44ms Image
image/jpeg 2600:9000:2209:1600:f:a35f:3100:93a1
AMAZON-02

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Full URL: https://dr282zn36sxxg.cloudfront.net/datastreams/f-d%3Afa9e3e30834399c83a9c1730a58587bad27510e7488330bb5e854ec5%2BCOVER_PAGE_THUMB_POSTCARD_TINY%2BCOVER_PAGE_THUMB_POSTCARD_TINY.1
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Response headers

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GET
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16 KB 148ms
84ms Image
image/jpeg 2600:9000:2209:1600:f:a35f:3100:93a1
AMAZON-02

General

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Full URL: https://dr282zn36sxxg.cloudfront.net/datastreams/f-d%3Abe6c093125127ef9963b202e103539cf6ede5cb443ae3ab7d806cf3f%2BCOVER_PAGE_THUMB_LARGE%2BCOVER_PAGE_THUMB_LARGE.1
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Response headers

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x-cache: Hit from cloudfront
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GET
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dr282zn36sxxg.cloudfront.net/datastreams/ 14 KB
14 KB 90ms
27ms Image
image/jpeg 2600:9000:2209:1600:f:a35f:3100:93a1
AMAZON-02

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Full URL: https://dr282zn36sxxg.cloudfront.net/datastreams/f-d%3A92bca0c47526c86f0f1f347e74cef244a5f04d6b8eea39ad15ec467d%2BCOVER_PAGE_THUMB_LARGE%2BCOVER_PAGE_THUMB_LARGE.1
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GET
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dr282zn36sxxg.cloudfront.net/datastreams/ 15 KB
15 KB 132ms
68ms Image
image/jpeg 2600:9000:2209:1600:f:a35f:3100:93a1
AMAZON-02

General

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Full URL: https://dr282zn36sxxg.cloudfront.net/datastreams/f-d%3A4fba599d635a20ba1d92d1885828340f51718b653b1b9249df9e0052%2BCOVER_PAGE_THUMB_LARGE_TINY%2BCOVER_PAGE_THUMB_LARGE_TINY.1
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Response headers

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GET
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dr282zn36sxxg.cloudfront.net/datastreams/ 17 KB
17 KB 124ms
60ms Image
image/jpeg 2600:9000:2209:1600:f:a35f:3100:93a1
AMAZON-02

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Full URL: https://dr282zn36sxxg.cloudfront.net/datastreams/f-d%3A36f2f4b0e3f28e3fec7ba6cc49d81aa1ae9c40dd132c1b68ea52cfc5%2BCOVER_PAGE_THUMB_LARGE%2BCOVER_PAGE_THUMB_LARGE.1
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Response headers

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server: AmazonS3
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GET
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dr282zn36sxxg.cloudfront.net/datastreams/ 13 KB
13 KB 144ms
80ms Image
image/jpeg 2600:9000:2209:1600:f:a35f:3100:93a1
AMAZON-02

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Full URL: https://dr282zn36sxxg.cloudfront.net/datastreams/f-d%3A9ee5b46e807c499d05d242ccd98b8e834e2767e66c9470eae3d2805a%2BCOVER_PAGE_THUMB_LARGE%2BCOVER_PAGE_THUMB_LARGE.1
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URL: https://www.ck12.org/student/
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server: AmazonS3
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expires: Fri, 22 Apr 2016 17:45:11 GMT

GET
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dr282zn36sxxg.cloudfront.net/datastreams/ 12 KB
13 KB 119ms
55ms Image
image/jpeg 2600:9000:2209:1600:f:a35f:3100:93a1
AMAZON-02

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Full URL: https://dr282zn36sxxg.cloudfront.net/datastreams/f-d%3A78341cc8e2f10feabfb217c5305d678de67e00adb5773f513651fcaa%2BCOVER_PAGE_THUMB_LARGE_TINY%2BCOVER_PAGE_THUMB_LARGE_TINY.1
Requested by: Host: www.ck12.org
URL: https://www.ck12.org/student/
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Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2209:1600:f:a35f:3100:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: c60b52762ae1a2ebbae8bd60bb1befde21afe7488e98a5d4c7a240bf0915de11

Request headers

accept-language: en-US,en;q=0.9
Referer: https://www.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 Safari/537.36

Response headers

date: Thu, 02 Mar 2023 10:43:57 GMT
x-amz-version-id: null
via: 1.1 0146c8129cacdacca96753291cf27ec4.cloudfront.net (CloudFront)
last-modified: Wed, 05 Apr 2017 08:09:40 GMT
server: AmazonS3
x-amz-cf-pop: EWR53-P1
age: 1668807
etag: "fac94eac65f1f81235122405fa5654a7"
x-cache: Hit from cloudfront
cache-control: PUBLIC, max-age=2592000, must-revalidate
accept-ranges: bytes
content-length: 12408
x-amz-cf-id: 3vkMXUtoqlFho8S6GM9Q7SJ5LNeogoCz9rScXEeVrOxkpui9JadMqQ==
expires: Sun, 09 Apr 2017 19:07:02 GMT

GET
H3 200 icon-community.svg
www.ck12.org/media/course-book-app/data/images/ 1 KB
778 B 33ms
33ms Image
image/svg+xml 2600:9000:23cb:1200:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://www.ck12.org/media/course-book-app/data/images/icon-community.svg
Requested by: Host: www.ck12.org
URL: https://www.ck12.org/student/
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:23cb:1200:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: c4d1360e9652ba1dbd898c3c38dbb3be1a047ace323324b9e0bd276fc66234c3

Request headers

accept-language: en-US,en;q=0.9
Referer: https://www.ck12.org/student/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 Safari/537.36

Response headers

date: Thu, 02 Mar 2023 10:12:03 GMT
content-encoding: gzip
via: 1.1 500a5a4e72d986068e53ce22c8372bde.cloudfront.net (CloudFront)
last-modified: Thu, 02 Mar 2023 10:02:55 GMT
server: AmazonS3
age: 1670720
x-amz-cf-pop: JFK50-P1
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: ZD6zUrDIIzHuVsDbLgRlEXPl-26pZz4MPYb6s6i0YgDCrD0eucf3wA==

GET
H2 200 flexi-landing.svg
static.ck12.org/common/flexi/ 29 KB
21 KB 86ms
85ms Image
image/svg+xml 2600:9000:2510:5a00:1f:8b19:b780:93a1
AMAZON-02

General

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Show headers Download Go to Show image

Full URL: https://static.ck12.org/common/flexi/flexi-landing.svg
Requested by: Host: www.ck12.org
URL: https://www.ck12.org/student/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2510:5a00:1f:8b19:b780:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 9c165c6a5867d3a639431417892c1f4c7a171ca4438f72a959a01cb2798efc9c

Request headers

accept-language: en-US,en;q=0.9
Referer: https://www.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 Safari/537.36

Response headers

x-amz-version-id: 4bZPlF7mZTerpnrr6qiOB7qCalJ2i_Me
content-encoding: gzip
via: 1.1 58a45bf3f07dfdca95ebcb7935e84994.cloudfront.net (CloudFront)
date: Tue, 21 Mar 2023 18:13:57 GMT
last-modified: Wed, 03 Mar 2021 05:13:06 GMT
server: AmazonS3
x-amz-cf-pop: JFK50-P5
age: 207
etag: W/"8147f7fd65e30bb976cd877a12c8c561"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: image/svg+xml
x-amz-cf-id: mBYMEKl0sbEozj_u87h_tlUF509Ptt4Ba1MP_fJLCKufgbJ_WZUTLg==

GET
H3 200 6bc693e21ce10fc44481a180fb452a12.png
static2.ck12.org/media/build-20230302082720/course-book-app/dist/ 837 B
1 KB 85ms
83ms Image
image/png 2600:9000:23cb:7e00:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://static2.ck12.org/media/build-20230302082720/course-book-app/dist/6bc693e21ce10fc44481a180fb452a12.png
Requested by: Host: www.ck12.org
URL: https://www.ck12.org/student/
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:23cb:7e00:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 8049a098e67ea9c53d3bc511a6e4118011d907754e6e9f42498cf8936b12c8aa

Request headers

accept-language: en-US,en;q=0.9
Referer: https://www.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 Safari/537.36

Response headers

date: Thu, 02 Mar 2023 10:15:55 GMT
via: 1.1 3e7fb742ce78adbb687505d8440bf99c.cloudfront.net (CloudFront)
last-modified: Thu, 02 Mar 2023 10:02:16 GMT
server: AmazonS3
age: 1670489
x-amz-cf-pop: JFK50-P1
etag: "6bc693e21ce10fc44481a180fb452a12"
x-cache: Hit from cloudfront
content-type: image/png
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: v7Mm6E5BzUvxsU6ztqtW23yypl9-iyI6APNzfl46eYuKV3gUypdaxA==
content-length: 837

GET
H2 200 style
accounts.google.com/gsi/ 533 B
608 B 79ms
77ms Stylesheet
text/css 2607:f8b0:4006:822::200d
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

2607:f8b0:4006:822::200d Nutley, United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

ESF /

Resource Hash

1c4e7e389d73c6acf7f19cc812514e71230740791fde8a018c1d7edccf1590ae

Security Headers

Name	Value
Content-Security-Policy	script-src 'report-sample' 'nonce-OHMjQH_leYGMsgQ-Jf6q4Q' '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: en-US,en;q=0.9
Referer: https://www.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 Safari/537.36

Response headers

date: Tue, 21 Mar 2023 18:17:23 GMT
content-security-policy: script-src 'report-sample' 'nonce-OHMjQH_leYGMsgQ-Jf6q4Q' '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: Tue, 21 Mar 2023 18:17:23 GMT

GET
H2 200 status Show response
accounts.google.com/gsi/ 40 B
525 B 67ms
66ms XHR
application/json 2607:f8b0:4006:822::200d
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=0GFXfLjyu45Fcam6Ost4dg

Requested by

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2607:f8b0:4006:822::200d Nutley, United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

ESF /

Resource Hash

706b919555f81beebef0e7d042fe7da392f90bdaebf3a68543d65165f89ae43f

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-j-XPQmKWz8jaVhSfiWvKPA' '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: en-US,en;q=0.9
Referer: https://www.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 Safari/537.36

Response headers

date: Tue, 21 Mar 2023 18:17:23 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-j-XPQmKWz8jaVhSfiWvKPA' '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://www.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

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: en-US,en;q=0.9
Referer
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 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: en-US,en;q=0.9
Referer
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 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: en-US,en;q=0.9
Referer
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 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: en-US,en;q=0.9
Referer
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 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: en-US,en;q=0.9
Referer
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 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: en-US,en;q=0.9
Referer
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 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: en-US,en;q=0.9
Referer
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 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: en-US,en;q=0.9
Referer
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 Safari/537.36

Response headers

Content-Type: image/svg+xml

GET
H3 200 e45dc3383428ccd5dac4e9a36e97b55a.png
static2.ck12.org/media/build-20230302082720/course-book-app/dist/ 3 KB
3 KB 34ms
33ms Image
image/png 2600:9000:23cb:7e00:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://static2.ck12.org/media/build-20230302082720/course-book-app/dist/e45dc3383428ccd5dac4e9a36e97b55a.png
Requested by: Host: www.ck12.org
URL: https://www.ck12.org/student/
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:23cb:7e00:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: a160ed7315b4a82acd8f1d1a27b53e5109aa7a5e94a08b54a3c30fde02115644

Request headers

accept-language: en-US,en;q=0.9
Referer: https://www.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 Safari/537.36

Response headers

date: Thu, 02 Mar 2023 10:12:03 GMT
via: 1.1 3e7fb742ce78adbb687505d8440bf99c.cloudfront.net (CloudFront)
last-modified: Thu, 02 Mar 2023 10:02:17 GMT
server: AmazonS3
age: 1670721
x-amz-cf-pop: JFK50-P1
etag: "e45dc3383428ccd5dac4e9a36e97b55a"
x-cache: Hit from cloudfront
content-type: image/png
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: 5FoGyUJe8K1eF-73t3hXvHkdiX3VSQTOWAkDqvZ4CufQbWXzqqqR_g==
content-length: 2819

GET
H3 200 c4a8f83aed2c431636233f5ca2e8d0f1.png
static2.ck12.org/media/build-20230302082720/course-book-app/dist/ 2 KB
2 KB 38ms
36ms Image
image/png 2600:9000:23cb:7e00:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://static2.ck12.org/media/build-20230302082720/course-book-app/dist/c4a8f83aed2c431636233f5ca2e8d0f1.png
Requested by: Host: www.ck12.org
URL: https://www.ck12.org/student/
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:23cb:7e00:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: abe75c9004358ae51685aa28b92d4ccb18b6ed0b021d4df1478aef8bd53e17c4

Request headers

accept-language: en-US,en;q=0.9
Referer: https://www.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 Safari/537.36

Response headers

date: Thu, 02 Mar 2023 10:12:03 GMT
via: 1.1 3e7fb742ce78adbb687505d8440bf99c.cloudfront.net (CloudFront)
last-modified: Thu, 02 Mar 2023 10:02:16 GMT
server: AmazonS3
age: 1670721
x-amz-cf-pop: JFK50-P1
etag: "c4a8f83aed2c431636233f5ca2e8d0f1"
x-cache: Hit from cloudfront
content-type: image/png
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: UNEBLIIP1PJnaG9a6VeFtjGB6hGs7cYnIjoQVOJ2O4Ad1DcN2jTcJw==
content-length: 1696

GET
H3 200 06f4aa379163b8895546e2968b7f337c.png
static2.ck12.org/media/build-20230302082720/course-book-app/dist/ 2 KB
2 KB 39ms
36ms Image
image/png 2600:9000:23cb:7e00:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://static2.ck12.org/media/build-20230302082720/course-book-app/dist/06f4aa379163b8895546e2968b7f337c.png
Requested by: Host: www.ck12.org
URL: https://www.ck12.org/student/
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:23cb:7e00:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 1c4fea069696a186acaefb1e8bb42da7b7c9f08e00b2ce2e6ca4701af035b53a

Request headers

accept-language: en-US,en;q=0.9
Referer: https://www.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 Safari/537.36

Response headers

date: Thu, 02 Mar 2023 10:12:03 GMT
via: 1.1 3e7fb742ce78adbb687505d8440bf99c.cloudfront.net (CloudFront)
last-modified: Thu, 02 Mar 2023 10:02:15 GMT
server: AmazonS3
age: 1670721
x-amz-cf-pop: JFK50-P1
etag: "06f4aa379163b8895546e2968b7f337c"
x-cache: Hit from cloudfront
content-type: image/png
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: 8NCNjafv_Gpzvfxj32rT-QrsrAaQBxyTgz3E6KdUaDMLhIe3DN6O3Q==
content-length: 2219

GET
H3 200 4930252c7417b7631a4c92296cfd35fe.png
static2.ck12.org/media/build-20230302082720/course-book-app/dist/ 953 B
1 KB 39ms
36ms Image
image/png 2600:9000:23cb:7e00:8:f05f:c540:93a1
AMAZON-02

General

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Response headers

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AMAZON-02

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Full URL

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Request headers

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date: Tue, 21 Mar 2023 18:17:24 GMT
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AMAZON-02

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GET
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https://js.sentry-cdn.com/746e7a8e651e4417b1472a2fc40dfb9b.min.js

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Response headers

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POST
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399 B 61ms
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Full URL: https://www.ck12.org/dexter/record/event
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AMAZON-02

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Full URL: https://www.ck12.org/dexter/record/event
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URL: https://static2.ck12.org/media/build-20230302082720/dexterjs/dexterjs.min.js
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GOOGLE

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

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Response headers

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General

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Full URL

https://browser.sentry-cdn.com/7.44.2/bundle.es5.min.js

Requested by

Host: js.sentry-cdn.com
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Response headers

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POST
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GOOGLE

General

Check archive.org

Show headers Download Go to

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Request headers

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Response headers

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POST
H3 200 collect Show response
www.google-analytics.com/j/ 3 B
23 B 39ms
38ms XHR
text/plain 2607:f8b0:4006:80b::200e
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.google-analytics.com/j/collect?v=1&_v=j99&a=2105357065&t=pageview&_s=1&dl=https%3A%2F%2Fwww.ck12.org%2Fstudent%2F&dp=%2Fstudent%2F&ul=en-us&de=UTF-8&dt=Free%20Online%20Textbooks%2C%20Flashcards%2C%20Adaptive%20Practice%2C%20Real%20World%20Examples%2C%20Simulations&sd=24-bit&sr=1600x1200&vp=1600x1200&je=0&_u=aGBAAEAjAAAAACAAI~&jid=1944943984&gjid=281796166&cid=2092205492.1679422643&tid=UA-5330854-2&_gid=87959552.1679422643&_r=1&_slc=1&gtm=45He33f0n71NFJ3V2&z=676689975

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Protocol

Security

QUIC, , AES_128_GCM

Server

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Reverse DNS

Software

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Security Headers

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Response headers

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expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
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text/html

General

Check archive.org

Show headers Download Go to

Full URL: data:truncated
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Reverse DNS
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Request headers

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Response headers

Content-Type: text/html;charset=UTF-8

GET
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2 KB 26ms
25ms Image
image/png 2607:f8b0:4006:81c::2003
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.gstatic.com/images/branding/product/2x/translate_24dp.png

Requested by

Host: www.gstatic.com
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Protocol

Security

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Server

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Reverse DNS

Software

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Resource Hash

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Security Headers

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Response headers

date: Thu, 16 Mar 2023 23:16:16 GMT
x-content-type-options: nosniff
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GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.gstatic.com/_/translate_http/_/ss/k=translate_http.tr.69JJaQ5G5xA.L.W.O/d=0/rs=AN8SPfpC36MIoWPngdVwZ4RUzeJYZaC7rg/m=el_main_css

Requested by

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Protocol

Security

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Software

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Resource Hash

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Security Headers

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Request headers

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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 Safari/537.36

Response headers

date: Tue, 21 Mar 2023 12:52:29 GMT
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image/png 2607:f8b0:4006:81c::2003
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.gstatic.com/images/branding/product/1x/translate_24dp.png

Requested by

Host: www.ck12.org
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Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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Software

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Resource Hash

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Security Headers

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Response headers

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GET
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505 B 1578ms
1518ms Image
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GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.google.com/images/cleardot.gif

Requested by

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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Reverse DNS

Software

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Resource Hash

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Security Headers

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Response headers

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GET
H3 200 3278.js Show response
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11 KB 33ms
32ms Script
application/javascript 2600:9000:23cb:7e00:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20230302082720/course-book-app/dist/3278.js
Requested by: Host: static3.ck12.org
URL: https://static3.ck12.org/media/build-20230302082720/course-book-app/dist/main.js
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Request headers

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Response headers

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GET
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static2.ck12.org/media/build-20230302082720/course-book-app/dist/ 88 KB
25 KB 35ms
34ms Script
application/javascript 2600:9000:23cb:7e00:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20230302082720/course-book-app/dist/7397.js
Requested by: Host: static3.ck12.org
URL: https://static3.ck12.org/media/build-20230302082720/course-book-app/dist/main.js
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Request headers

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Response headers

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GET
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static2.ck12.org/media/build-20230302082720/course-book-app/dist/ 7 KB
3 KB 36ms
35ms Script
application/javascript 2600:9000:23cb:7e00:8:f05f:c540:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://static2.ck12.org/media/build-20230302082720/course-book-app/dist/SearchBar.js
Requested by: Host: static3.ck12.org
URL: https://static3.ck12.org/media/build-20230302082720/course-book-app/dist/main.js
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Request headers

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Response headers

date: Thu, 02 Mar 2023 10:12:05 GMT
content-encoding: gzip
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x-amz-cf-id: CDQi91_-S2E_RzdrTbUzAdz9WF_ZVmq7C6zrjPPa3sYKuFaXD7I3JQ==

POST
H2 200 / Show response
api-js.mixpanel.com/track/ 25 B
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General

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Show headers Download Go to

Full URL

https://api-js.mixpanel.com/track/?verbose=1&ip=1&_=1679422648426

Requested by

Host: browser.sentry-cdn.com
URL: https://browser.sentry-cdn.com/7.44.2/bundle.es5.min.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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Reverse DNS

Software

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Security Headers

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Request headers

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Content-Type: application/x-www-form-urlencoded

Response headers

strict-transport-security: max-age=604800; includeSubDomains
date: Tue, 21 Mar 2023 18:17:28 GMT
via: 1.1 google
server: envoy
access-control-max-age: 1728000
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x-envoy-upstream-service-time: 22
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content-length: 25
alt-svc: clear

Verdicts & Comments Add Verdict or Comment

120 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
.ck12.org/	1970-01-20 10:40:27	Name: flxweb_role Value: student
www.ck12.org/	1970-01-20 10:31:49	Name: X-Ck12-Cdn-Version Value: 202303020211
.ck12.org/	1970-01-20 10:30:24	Name: dexterjsSessionID Value: GIN4OGxxKBTMtvKAIORcS7xyw
.ck12.org/	1970-01-20 14:49:34	Name: dexterjsVisitorID Value: WjH77o4sXL51BMTjc1DrJbeE7
.ck12.org/	1970-01-20 12:39:58	Name: _gcl_au Value: 1.1.1503270365.1679422643
.ck12.org/	1970-01-20 10:31:49	Name: _gid Value: GA1.2.87959552.1679422643
.ck12.org/	1970-01-20 20:06:22	Name: _ga_7PBE4L0PZZ Value: GS1.1.1679422643.1.0.1679422643.0.0.0
.ck12.org/	1970-01-20 20:06:22	Name: _ga Value: GA1.1.2092205492.1679422643
.ck12.org/	1970-01-20 10:40:27	Name: ck:country Value: US
.ck12.org/	1970-01-20 10:30:22	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
api-js.mixpanel.com
browser.sentry-cdn.com
capi.ck12.org
cdn.mxpnl.com
ck12.org
d3lkjnwva6z405.cloudfront.net
dr282zn36sxxg.cloudfront.net
js.sentry-cdn.com
static.ck12.org
static1.ck12.org
static2.ck12.org
static3.ck12.org
tinymce.ck12.org
translate.google.com
translate.googleapis.com
www.ck12.org
www.google-analytics.com
www.google.com
www.googletagmanager.com
www.gstatic.com
13.225.223.109
2600:1901:0:498c::
2600:9000:2209:1600:f:a35f:3100:93a1
2600:9000:23cb:1200:8:f05f:c540:93a1
2600:9000:23cb:3400:8:f05f:c540:93a1
2600:9000:23cb:7800:8:f05f:c540:93a1
2600:9000:23cb:7e00:8:f05f:c540:93a1
2600:9000:23cb:f200:8:f05f:c540:93a1
2600:9000:24f0:4a00:12:aac7:4140:93a1
2600:9000:24f0:9c00:14:71e4:46c0:93a1
2600:9000:2510:5a00:1f:8b19:b780:93a1
2607:f8b0:4006:80b::200e
2607:f8b0:4006:80d::200a
2607:f8b0:4006:80e::2008
2607:f8b0:4006:81c::2003
2607:f8b0:4006:81c::200e
2607:f8b0:4006:820::2004
2607:f8b0:4006:822::200d
2a04:4e42:400::729
35.186.241.51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3a762087d8c872800d9504a345408c34a9da964ad86eed60bcf867ba58b2d583
3dfb38b79f475b62ca27d0f0b4f387d3771d2239bc64fc6c1b83857e19323edb
3f549c9863ffe4b6480cc586938ad7915be10ab9301c72cb6e9af16e7feef32e
3f8da9282ba7fbd92a371068d06d1f84b6f922fa282226333dd12c5640ba0e53
418801d4f757b567b4bd165355b6b57bf9c4169a38a7608676b0dff988d081de
47dd10e1c34878eafb8ecf7cef755550f2b9f08e04e28d71b8aaad9f0c33f60d
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5a2944f5e8cb89fa8135e8d53118b530ba9f67dcddd95cbde8a397675054df0e
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5e33017ac1e0565ffcf01989a657ce86ff5b172a3e1df771482685e02468efc4
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706b919555f81beebef0e7d042fe7da392f90bdaebf3a68543d65165f89ae43f
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7aca33069bd12adb892ec6bb545d89c42755f0ceca9d1c53decaf2466253ab7a
7af1d803113d839b1144acdf129f450f769b5d3fb4c708618a95c2ee231d4108
7b5b1aab4196c31d0d7e321de3cb562e3688a0fc2f7ca0c08ace1ad15dafb573
7bbe4eb06ef515467297d59586648e1dba5c1e6046cd73e24a2bfa83d184a53e
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81e985996f0a426679cc7797aad29f272f94da0917f5332f31aee88af1a408b3
82735f3625e92896eb15121d82bdfdb96c600b54327b8d3a15b7521142c302c0
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842a2464daf366fa31687a733b5463d3d5fa882c9835bd3ed1607ffbfa362217
86ee27ac5d4b69a0fbbfbbe5ae955ce4da77dca729fb3ff75b3aed1b0b7ddc8a
88baa0db6770e41e37c474c7922b2766938dd6ac2ca30c31c41423618e19649e
8a0522d24b496b5907de4c2c48b1c5cd5ba687ca758776766ae9ecbeefe486e6
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92fca55833f48b4289ac8f1cedd48752b580fce4ec4b5d81670b8193d6e51b54
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95a04cfe2fda86761d1a5fff73aa70f2a74a8ffab313d1353213af0f6d0bc477
990282405b7fff7b3a17294972ec0e68d612f378c919ace11dd1b3e01b1f22cb
9ad2d2a81b478f3dfe137028553b1ef3bfcc7832af55c397f9931bdbaca1115a
9c165c6a5867d3a639431417892c1f4c7a171ca4438f72a959a01cb2798efc9c
9c673484f8a74e604997d5b991d1157bcca2ac1fb23ed75a7cff2c1bb2a2ee8b
a044a22f41bc040b767442e53f6a8a1c83ca8a7c2e15b43cbf0d174bc250d3dc
a15a3a4930b14106b6973309e98c0ab127e232bd83891f09536ac940c744ef31
a160ed7315b4a82acd8f1d1a27b53e5109aa7a5e94a08b54a3c30fde02115644
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a2fa6f5cd4a1034a242f58a86c740e5606146c9ab53cd34dd157fa2d1b516cd4
a3944e8ef41a4d790d784d6aa65bf19612ac677e9605ffddb42b5e4aa35987c2
a4ba54990adb0145ed1bc599f3a936ec1aac90f62cdf75f997192c600c5fdb33
a594deb5d7d8050d0efe6d33dff08ecf8d68eb2ff099529a353735f17eeecbaa
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www.ck12.org Open in urlscan Pro 2600:9000:23cb:1200:8:f05f:c540:93a1 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

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Page Title

Page URL History Show full URLs

Detected technologies

Page Statistics

126 Requests

100 %HTTPS

90 %IPv6

10 Domains

21 Subdomains

21 IPs

1 Countries

1778 kBTransfer

4140 kBSize

10 Cookies

65 Outgoing links

Page URL History

Redirected requests

126 HTTP transactions Everything HTML Script AJAX CSS Image Expand all 11 data transactions

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www.ck12.org Open in urlscan Pro
2600:9000:23cb:1200:8:f05f:c540:93a1 Public Scan

Screenshot
Live screenshot

Full Image

126
Requests

100 %
HTTPS

90 %
IPv6

10
Domains

21
Subdomains

21
IPs

1
Countries

1778 kB
Transfer

4140 kB
Size

10
Cookies

126 HTTP transactions
11 data transactions