chem.libretexts.org Open in urlscan Pro
2600:9000:20c3:7400:11:2451:2fc0:93a1 Public Scan

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Add Verdict Report

Submitted URL:
http://chem.libretexts.org/
Effective URL:
https://chem.libretexts.org/
Submission: On April 08 via api (April 8th 2024, 6:40:45 pm UTC) from US — Scanned from DE

Summary HTTP 130 Redirects Links 7 Behaviour Indicators

Summary

This website contacted 23 IPs in 4 countries across 17 domains to perform 130 HTTP transactions. The main IP is 2600:9000:20c3:7400:11:2451:2fc0:93a1, located in United States and belongs to AMAZON-02, US. The main domain is chem.libretexts.org. The Cisco Umbrella rank of the primary domain is 124274.
TLS certificate: Issued by Amazon RSA 2048 M01 on June 13th 2023. Valid for: a year.

This is the only time chem.libretexts.org was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
3	2600:9000:20c... 2600:9000:20c3:7400:11:2451:2fc0:93a1	16509 (AMAZON-02) (AMAZON-02)
14	18.173.154.72 18.173.154.72	16509 (AMAZON-02) (AMAZON-02)
3	2606:4700:303... 2606:4700:3034::ac43:d829	13335 (CLOUDFLAR...) (CLOUDFLARENET)
38	172.67.216.41 172.67.216.41	13335 (CLOUDFLAR...) (CLOUDFLARENET)
4 6	2606:4700::68... 2606:4700::6811:f7cb	13335 (CLOUDFLAR...) (CLOUDFLARENET)
23	104.17.25.14 104.17.25.14	13335 (CLOUDFLAR...) (CLOUDFLARENET)
2	104.16.89.20 104.16.89.20	13335 (CLOUDFLAR...) (CLOUDFLARENET)
1 6	172.67.22.135 172.67.22.135	13335 (CLOUDFLAR...) (CLOUDFLARENET)
5	2a00:1450:400... 2a00:1450:4001:810::200a	15169 (GOOGLE) (GOOGLE)
4	2606:4700:e6:... 2606:4700:e6::ac40:cf26	13335 (CLOUDFLAR...) (CLOUDFLARENET)
1	2606:4700:440... 2606:4700:4400::6812:2844	13335 (CLOUDFLAR...) (CLOUDFLARENET)
3	2606:4700::68... 2606:4700::6810:5049	13335 (CLOUDFLAR...) (CLOUDFLARENET)
2	2a00:1450:400... 2a00:1450:4001:81c::2008	15169 (GOOGLE) (GOOGLE)
2	54.209.223.9 54.209.223.9	14618 (AMAZON-AES) (AMAZON-AES)
3	2001:4860:480... 2001:4860:4802:36::178	15169 (GOOGLE) (GOOGLE)
2	2a00:1450:400... 2a00:1450:4001:808::2003	15169 (GOOGLE) (GOOGLE)
3 9	99.84.88.114 99.84.88.114	16509 (AMAZON-02) (AMAZON-02)
3	108.138.36.105 108.138.36.105	16509 (AMAZON-02) (AMAZON-02)
2	2a00:1450:400... 2a00:1450:400c:c1f::9b	15169 (GOOGLE) (GOOGLE)
2	2001:4860:480... 2001:4860:4802:34::36	15169 (GOOGLE) (GOOGLE)
2	142.250.185.195 142.250.185.195	15169 (GOOGLE) (GOOGLE)
1	142.250.185.100 142.250.185.100	15169 (GOOGLE) (GOOGLE)
2	2606:4700:10:... 2606:4700:10::ac43:2a18	13335 (CLOUDFLAR...) (CLOUDFLARENET)
130	23

3 2600:9000:20c3:7400:11:2451:2fc0:93a1 (United States)

ASN16509 (AMAZON-02, US)

chem.libretexts.org	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

14 18.173.154.72 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-18-173-154-72.muc50.r.cloudfront.net

a.mtstatic.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

3 2606:4700:3034::ac43:d829 (United States)

ASN13335 (CLOUDFLARENET, US)

cdn.libretexts.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

38 172.67.216.41 (United States)

ASN13335 (CLOUDFLARENET, US)

cdn.libretexts.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

6 2606:4700::6811:f7cb (United States) 4 redirects

ASN13335 (CLOUDFLARENET, US)

unpkg.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

23 104.17.25.14 (None, )

ASN13335 (CLOUDFLARENET, US)

cdnjs.cloudflare.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 104.16.89.20 (None, )

ASN13335 (CLOUDFLARENET, US)

cdn.jsdelivr.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

6 172.67.22.135 (United States) 1 redirects

ASN13335 (CLOUDFLARENET, US)

hypothes.is	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools
cdn.hypothes.is	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

5 2a00:1450:4001:810::200a (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

4 2606:4700:e6::ac40:cf26 (United States)

ASN13335 (CLOUDFLARENET, US)

use.fontawesome.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2606:4700:4400::6812:2844 (United States)

ASN13335 (CLOUDFLARENET, US)

pro.fontawesome.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

3 2606:4700::6810:5049 (United States)

ASN13335 (CLOUDFLARENET, US)

static.cloudflareinsights.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools
cloudflareinsights.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2a00:1450:4001:81c::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

2 54.209.223.9 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-54-209-223-9.compute-1.amazonaws.com

matomo-test-ecs.libretexts.org	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

3 2001:4860:4802:36::178 (United States)

ASN15169 (GOOGLE, US)

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

2 2a00:1450:4001:808::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

9 99.84.88.114 (United States) 3 redirects

ASN16509 (AMAZON-02, US)
PTR: server-99-84-88-114.muc50.r.cloudfront.net

chem.libretexts.org	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

3 108.138.36.105 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-108-138-36-105.muc50.r.cloudfront.net

files.mtstatic.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2a00:1450:400c:c1f::9b (Brussels, Belgium)

ASN15169 (GOOGLE, US)

stats.g.doubleclick.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2001:4860:4802:34::36 (United States)

ASN15169 (GOOGLE, US)

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

2 142.250.185.195 (United States)

ASN15169 (GOOGLE, US)
PTR: fra16s52-in-f3.1e100.net

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

1 142.250.185.100 (United States)

ASN15169 (GOOGLE, US)
PTR: fra16s49-in-f4.1e100.net

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

2 2606:4700:10::ac43:2a18 (United States)

ASN13335 (CLOUDFLARENET, US)

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

	Apex Domain Subdomains	Transfer
41	libretexts.net cdn.libretexts.net — Cisco Umbrella Rank: 107752	798 KB
23	cloudflare.com cdnjs.cloudflare.com — Cisco Umbrella Rank: 381	648 KB
17	mtstatic.com a.mtstatic.com — Cisco Umbrella Rank: 67838 files.mtstatic.com — Cisco Umbrella Rank: 81645	859 KB
14	libretexts.org 3 redirects chem.libretexts.org — Cisco Umbrella Rank: 124274 matomo-test-ecs.libretexts.org — Cisco Umbrella Rank: 129064	61 KB
6	hypothes.is 1 redirects hypothes.is — Cisco Umbrella Rank: 45807 cdn.hypothes.is — Cisco Umbrella Rank: 75984	71 KB
6	unpkg.com 4 redirects unpkg.com — Cisco Umbrella Rank: 1334	17 KB
5	fontawesome.com use.fontawesome.com — Cisco Umbrella Rank: 1839 pro.fontawesome.com — Cisco Umbrella Rank: 12603	117 KB
5	googleapis.com fonts.googleapis.com — Cisco Umbrella Rank: 116	32 KB
4	google-analytics.com www.google-analytics.com — Cisco Umbrella Rank: 99 region1.google-analytics.com — Cisco Umbrella Rank: 1879	21 KB
3	cloudflareinsights.com static.cloudflareinsights.com — Cisco Umbrella Rank: 1409 cloudflareinsights.com — Cisco Umbrella Rank: 1382	7 KB
2	donorbox.org donorbox.org — Cisco Umbrella Rank: 69169	7 KB
2	google.de www.google.de — Cisco Umbrella Rank: 4622	126 B
2	google.com region1.analytics.google.com — Cisco Umbrella Rank: 2227 www.google.com — Cisco Umbrella Rank: 5	117 B
2	doubleclick.net stats.g.doubleclick.net — Cisco Umbrella Rank: 195	407 B
2	gstatic.com fonts.gstatic.com	275 KB
2	googletagmanager.com www.googletagmanager.com — Cisco Umbrella Rank: 114	184 KB
2	jsdelivr.net cdn.jsdelivr.net — Cisco Umbrella Rank: 454	3 KB
130	17

	Domain	Requested by
41	cdn.libretexts.net	chem.libretexts.org cdn.libretexts.net
23	cdnjs.cloudflare.com	chem.libretexts.org cdnjs.cloudflare.com cdn.libretexts.net
14	a.mtstatic.com	chem.libretexts.org a.mtstatic.com
12	chem.libretexts.org	3 redirects chem.libretexts.org cdn.libretexts.net
6	unpkg.com	4 redirects chem.libretexts.org
5	fonts.googleapis.com	chem.libretexts.org cdn.libretexts.net donorbox.org
4	use.fontawesome.com	chem.libretexts.org use.fontawesome.com
4	cdn.hypothes.is	chem.libretexts.org hypothes.is
3	files.mtstatic.com	chem.libretexts.org
3	www.google-analytics.com	chem.libretexts.org www.google-analytics.com
2	cloudflareinsights.com	static.cloudflareinsights.com
2	donorbox.org	cdn.libretexts.net donorbox.org
2	www.google.de	chem.libretexts.org
2	stats.g.doubleclick.net	www.google-analytics.com www.googletagmanager.com
2	fonts.gstatic.com	fonts.googleapis.com
2	matomo-test-ecs.libretexts.org	chem.libretexts.org matomo-test-ecs.libretexts.org
2	www.googletagmanager.com	chem.libretexts.org www.google-analytics.com
2	hypothes.is	1 redirects cdn.hypothes.is
2	cdn.jsdelivr.net	chem.libretexts.org cdn.libretexts.net
1	www.google.com	chem.libretexts.org
1	region1.analytics.google.com	www.googletagmanager.com
1	region1.google-analytics.com	www.googletagmanager.com
1	static.cloudflareinsights.com	chem.libretexts.org
1	pro.fontawesome.com	chem.libretexts.org
130	24

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

Domain
register.libretexts.org
commons.libretexts.org
libretexts.org
mindtouch.com
www.nice.com

Subject Issuer	Validity	Valid
*.libretexts.org Amazon RSA 2048 M01	`2023-06-13` - `2024-07-11`	a year	crt.sh
*.mtstatic.com Amazon RSA 2048 M01	`2023-08-02` - `2024-08-30`	a year	crt.sh
libretexts.net GTS CA 1P5	`2024-02-24` - `2024-05-24`	3 months	crt.sh
sni.cloudflaressl.com Cloudflare Inc ECC CA-3	`2023-07-03` - `2024-07-02`	a year	crt.sh
upload.video.google.com GTS CA 1C3	`2024-03-04` - `2024-05-27`	3 months	crt.sh
use.fontawesome.com Cloudflare Inc ECC CA-3	`2023-10-12` - `2024-10-10`	a year	crt.sh
*.fontawesome.com DigiCert Global G2 TLS RSA SHA256 2020 CA1	`2023-12-04` - `2025-01-03`	a year	crt.sh
cloudflareinsights.com GTS CA 1P5	`2024-03-10` - `2024-06-08`	3 months	crt.sh
*.google-analytics.com GTS CA 1C3	`2024-03-04` - `2024-05-27`	3 months	crt.sh
matomo-test-ecs.libretexts.org Amazon RSA 2048 M03	`2024-03-09` - `2025-04-07`	a year	crt.sh
*.gstatic.com GTS CA 1C3	`2024-03-04` - `2024-05-27`	3 months	crt.sh
hypothes.is E1	`2024-03-27` - `2024-06-25`	3 months	crt.sh
*.g.doubleclick.net GTS CA 1C3	`2024-03-04` - `2024-05-27`	3 months	crt.sh
*.google.de GTS CA 1C3	`2024-03-04` - `2024-05-27`	3 months	crt.sh
*.google.com GTS CA 1C3	`2024-03-04` - `2024-05-27`	3 months	crt.sh
donorbox.org E1	`2024-03-30` - `2024-06-28`	3 months	crt.sh

This page contains 2 frames:

Primary Page: https://chem.libretexts.org/
Frame ID: CC9A567CA9437B2A8B0B189C6181560A
Requests: 128 HTTP requests in this frame

Frame: https://hypothes.is/app.html
Frame ID: D2670B7646550DA7386962878447C174
Requests: 1 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

Home - Chemistry LibreTexts

Page URL History Show full URLs

http://chem.libretexts.org/ HTTP 307
https://chem.libretexts.org/ Page URL

Detected technologies

MathJax (JavaScript Graphics) Expand

Overall confidence: 100%
Detected patterns

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

Bootstrap (Web Frameworks) Expand

Overall confidence: 100%
Detected patterns

bootstrap(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)[^>]*?(?:\.min)?\.js

RequireJS (JavaScript Frameworks) Expand

Overall confidence: 100%
Detected patterns

require.*\.js

Cloudflare Browser Insights (Analytics) Expand

Overall confidence: 100%
Detected patterns

static\.cloudflareinsights\.com/beacon(?:\.min)?\.js

Font Awesome (Font Scripts) Expand

Overall confidence: 100%
Detected patterns

(?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:.*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)

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/gtag/js

jQuery (JavaScript Libraries) Expand

Overall confidence: 100%
Detected patterns

jquery.*\.js(?:\?ver(?:sion)?=([\d.]+))?

jsDelivr (CDN) Expand

Overall confidence: 100%
Detected patterns

//cdn\.jsdelivr\.net/

Page Statistics

130
Requests

95 %
HTTPS

57 %
IPv6

17
Domains

24
Subdomains

23
IPs

4
Countries

3096 kB
Transfer

10089 kB
Size

13
Cookies

7 Outgoing links

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

URL: https://register.libretexts.org/
Title: how_to_reg Request Instructor Account

Search URL Search Domain Scan URL

URL: https://commons.libretexts.org/
Title: hub Instructor Commons

Search URL Search Domain Scan URL

URL: https://libretexts.org/
Title: LibreTexts project

Search URL Search Domain Scan URL

URL: https://mindtouch.com/demo
Title: Powered by CXone Expert ®

Search URL Search Domain Scan URL

URL: https://www.nice.com/resources/cxone-expert-knowledge-management
Title: Powered by NICE CXone Expert

Search URL Search Domain Scan URL

URL: https://libretexts.org/legal/index.html
Title: Legal

Search URL Search Domain Scan URL

URL: https://commons.libretexts.org/accessibility
Title: Accessibility Statement

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.

http://chem.libretexts.org/ HTTP 307
https://chem.libretexts.org/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 15

https://unpkg.com/@popperjs/core@2 HTTP 302
https://unpkg.com/@popperjs/core@2.11.8 HTTP 302
https://unpkg.com/@popperjs/core@2.11.8/dist/umd/popper.min.js

Request Chain 16

https://unpkg.com/tippy.js@6 HTTP 302
https://unpkg.com/tippy.js@6.3.7 HTTP 302
https://unpkg.com/tippy.js@6.3.7/dist/tippy-bundle.umd.min.js

Request Chain 40

https://hypothes.is/embed.js HTTP 302
https://cdn.hypothes.is/hypothesis

Request Chain 82

https://chem.libretexts.org/@api/deki/files/48600/mindtouch.page%2523thumbnail?revision=6 HTTP 302
https://files.mtstatic.com/site_4334/48600/5?Expires=1712604369&Signature=iifpxjFh3-nhHNuEXdOwVmCM5h8Ip37EFiZ9Fiwhf-dJpxsrXh6ALnTioN2fLqqFMQZe4ThltyGYDnF5rhkozTDokwWdLFAvyJlmOKJPZg2Smzfn1G~uSOzIjCJU5OYjk3Cmtla5ZPMEqgruk6qC7CMiVMRRYBi-psNSIEZGULA_&Key-Pair-Id=APKAJ5Y6AV4GI7A555NA

Request Chain 83

https://chem.libretexts.org/@api/deki/files/48598/mindtouch.page%2523thumbnail?revision=5 HTTP 302
https://files.mtstatic.com/site_4334/48598/4?Expires=1712604432&Signature=P6DZZYce4oBxqRTjZKPyHNqg8CgVodTgFJ-yHkG-ZZX4dRgum~6H6xfcfioNjgsxALq1DP1mCfxy5bLj~aDREB8CIWLkPCOnFLYXIp8QWLYsriOnO-Sl9vwJ5JCgOSjD9zpzv3gmzcd4j4Xp4pv6c3Gzix77nS9v5W9lVHkCJAA_&Key-Pair-Id=APKAJ5Y6AV4GI7A555NA

Request Chain 84

https://chem.libretexts.org/@api/deki/files/145917/mindtouch.page%2523thumbnail?revision=2 HTTP 302
https://files.mtstatic.com/site_4334/145917/1?Expires=1712604369&Signature=Y1aSYh2HVr7We7vrFBkx~fA1Rt-5MbiPwo1CBKrK4FpRGrd591Hq2o-1kBkWfMdvBaTWQ0bGW-kCaO5RAtLVy0lV-Pf5hrDJC6N0b-cE-nD8WIyWwBnJR8O-RgpT8zbyK1zI6EVZMPxOcDkJjoLxG1d3OCnHhptjBaRXm3gGy4E_&Key-Pair-Id=APKAJ5Y6AV4GI7A555NA

130 HTTP transactions
0 data transactions

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

GET
H2

200

Primary Request / Show response
chem.libretexts.org/
Redirect Chain

http://chem.libretexts.org/
https://chem.libretexts.org/

101 KB
24 KB

675ms
625ms

Document
text/html

2600:9000:20c3:7400:11:2451:2fc0:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://chem.libretexts.org/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2600:9000:20c3:7400:11:2451:2fc0:93a1 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

Resource Hash

b32565166cb82c37f9658ebcc456e8c9aabbcfa318eec3d9e53e85ad0d283358

Security Headers

Name	Value
Content-Security-Policy	upgrade-insecure-requests; default-src https: data: filesystem: blob: mediastream: 'unsafe-inline' 'unsafe-eval'; connect-src https: wss:
Strict-Transport-Security	max-age=31536000; includeSubDomains
X-Content-Type-Options	nosniff
X-Xss-Protection	1; mode=block

Request headers

Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
accept-language: de-DE,de;q=0.9

Response headers

alt-svc: h3=":443"; ma=86400
cache-control: no-cache, no-store, must-revalidate, max-age=0
content-encoding: br
content-language: en-US
content-length: 23257
content-security-policy: upgrade-insecure-requests; default-src https: data: filesystem: blob: mediastream: 'unsafe-inline' 'unsafe-eval'; connect-src https: wss:
content-type: text/html; charset=utf-8
date: Mon, 08 Apr 2024 18:40:40 GMT
expires: -1
strict-transport-security: max-age=31536000; includeSubDomains
vary: Accept-Encoding,Cookie
via: 1.1 5f3006c64f23c42b9bf4b3b63c77aedc.cloudfront.net (CloudFront)
x-amz-cf-id: -rONvJTRUpt9jl4SpUDPxjP7zObTtEWvmY_WiHyN5jIMVAvOx2t29g==
x-amz-cf-pop: MUC50-C1
x-cache: Miss from cloudfront
x-content-type-options: nosniff
x-deki-site: id=site_4334
x-xss-protection: 1; mode=block

Redirect headers

Location: https://chem.libretexts.org/
Non-Authoritative-Reason: HttpsUpgrades

GET
H2 200 anonymous.css
a.mtstatic.com/@cache/layout/ 1 MB
121 KB 56ms
17ms Stylesheet
text/css 18.173.154.72
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://a.mtstatic.com/@cache/layout/anonymous.css?_=22593ec8fd6ef94953a76f786d0288f2_Y2hlbS5saWJyZXRleHRzLm9yZw==:site_4334

Requested by

Host: chem.libretexts.org
URL: https://chem.libretexts.org/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

18.173.154.72 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

server-18-173-154-72.muc50.r.cloudfront.net

Software

Resource Hash

77b52eba32518f890c267616a9a724b705b9ceddef46559f110dbf0d83def214

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://chem.libretexts.org/
accept-language: de-DE,de;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Thu, 04 Apr 2024 22:11:50 GMT
content-encoding: br
x-content-type-options: nosniff
via: 1.1 18a0c3f5e09e58d51d2e5d6f596d202e.cloudfront.net (CloudFront), 1.1 fe6d656eba9969a63bb94889f81e9bf8.cloudfront.net (CloudFront)
x-amz-cf-pop: FRA56-P10, MUC50-P3
age: 332922
etag: 22593ec8fd6ef94953a76f786d0288f2_bXQtY2RuLm1pbmR0b3VjaC51cw==
vary: Accept-Encoding
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accept-language: de-DE,de;q=0.9
sec-ch-ua-mobile: ?0
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X-Requested-With: XMLHttpRequest
sec-ch-ua-platform: "Win32"

Response headers

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date: Mon, 08 Apr 2024 18:40:41 GMT
strict-transport-security: max-age=31536000
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GET
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3 KB 371ms
371ms Fetch
application/json 99.84.88.114
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://chem.libretexts.org/@api/deki/pages/home/subpages?dream.out.format=json&limit=all

Requested by

Host: cdn.libretexts.net
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Protocol

Security

QUIC, , AES_128_GCM

Server

99.84.88.114 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

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Software

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Security Headers

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Request headers

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accept-language: de-DE,de;q=0.9
sec-ch-ua-mobile: ?0
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X-Requested-With: XMLHttpRequest
sec-ch-ua-platform: "Win32"

Response headers

x-dream-feature: GET:pages/*/subpages
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strict-transport-security: max-age=31536000
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GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://fonts.gstatic.com/s/roboto/v30/KFOmCnqEu92Fr1Mu4mxK.woff2

Requested by

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Protocol

Security

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sec-ch-ua-mobile: ?0
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sec-ch-ua-platform: "Win32"

Response headers

date: Tue, 02 Apr 2024 04:10:19 GMT
x-content-type-options: nosniff
age: 570622
content-security-policy-report-only: require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
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GET
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donorbox.org/ 12 KB
6 KB 77ms
49ms Script
application/javascript 2606:4700:10::ac43:2a18
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://donorbox.org/install-popup-button.js
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URL: https://cdn.libretexts.net/github/LibreTextsMain/ExportButtons/libreExportButtons.min.js
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Request headers

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accept-language: de-DE,de;q=0.9
sec-ch-ua-mobile: ?0
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sec-ch-ua-platform: "Win32"

Response headers

date: Mon, 08 Apr 2024 18:40:41 GMT
via: 1.1 vegur
content-encoding: gzip
cf-cache-status: HIT
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POST
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AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://chem.libretexts.org/@api/deki/events/page-view/34/performance?dream.out.format=json&origin=mt-web

Protocol

Security

QUIC, , AES_128_GCM

Server

99.84.88.114 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

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Software

Resource Hash

Security Headers

Name	Value
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Request headers

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content-type: application/json; charset=utf-8
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x-deki-client: mindtouch-martian
sec-ch-ua-platform: "Win32"

Response headers

x-dream-feature: POST:events/page-view/*/*
date: Mon, 08 Apr 2024 18:40:41 GMT
strict-transport-security: max-age=31536000
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OPTIONS
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CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://cloudflareinsights.com/cdn-cgi/rum

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700::6810:5049 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

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Resource Hash

Security Headers

Name	Value
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X-Frame-Options	DENY

Request headers

Accept: */*
Access-Control-Request-Headers: content-type
Access-Control-Request-Method: POST
Origin: https://chem.libretexts.org
Sec-Fetch-Mode: cors
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Response headers

access-control-allow-credentials: true
access-control-allow-headers: Content-Type
access-control-allow-methods: POST,OPTIONS
access-control-allow-origin: https://chem.libretexts.org
access-control-max-age: 86400
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server: cloudflare
vary: Origin
x-content-type-options: nosniff
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POST
H2 204 rum Show response
cloudflareinsights.com/cdn-cgi/ 0
37 B 18ms
18ms XHR
text/plain 2606:4700::6810:5049
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://cloudflareinsights.com/cdn-cgi/rum

Requested by

Host: static.cloudflareinsights.com
URL: https://static.cloudflareinsights.com/beacon.min.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700::6810:5049 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

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Resource Hash

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Security Headers

Name	Value
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Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
sec-ch-ua-platform: "Win32"
Referer: https://chem.libretexts.org/
accept-language: de-DE,de;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
content-type: application/json

Response headers

date: Mon, 08 Apr 2024 18:40:41 GMT
x-content-type-options: nosniff
server: cloudflare
vary: Origin
access-control-max-age: 86400
access-control-allow-methods: POST,OPTIONS
access-control-allow-origin: https://chem.libretexts.org
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cf-ray: 87146322890f190b-FRA

GET
H2 200 1478193457-favicon.ico
a.mtstatic.com/@public/production/site_4334/ 4 KB
5 KB 16ms
16ms Other
image/vnd.microsoft.icon 18.173.154.72
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://a.mtstatic.com/@public/production/site_4334/1478193457-favicon.ico
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 18.173.154.72 , United States, ASN16509 (AMAZON-02, US),
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Request headers

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Referer: https://chem.libretexts.org/
accept-language: de-DE,de;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

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via: 1.1 fe6d656eba9969a63bb94889f81e9bf8.cloudfront.net (CloudFront)
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server: AmazonS3
x-amz-cf-pop: MUC50-P3
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1 KB 40ms
39ms Stylesheet
text/css 2606:4700:10::ac43:2a18
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://donorbox.org/animate-popup-donate-button.css

Requested by

Host: donorbox.org
URL: https://donorbox.org/install-popup-button.js

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

Name	Value
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Request headers

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sec-ch-ua-mobile: ?0
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sec-ch-ua-platform: "Win32"

Response headers

date: Mon, 08 Apr 2024 18:40:41 GMT
strict-transport-security: max-age=63072000; includeSubDomains
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cf-cache-status: HIT
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GET
H2 200 css2
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734 B 45ms
45ms Stylesheet
text/css 2a00:1450:4001:810::200a
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://fonts.googleapis.com/css2?family=Inter&display=swap

Requested by

Host: donorbox.org
URL: https://donorbox.org/animate-popup-donate-button.css

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
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sec-ch-ua-mobile: ?0
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sec-ch-ua-platform: "Win32"

Response headers

strict-transport-security: max-age=31536000
date: Mon, 08 Apr 2024 18:40:41 GMT
content-encoding: gzip
x-content-type-options: nosniff
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
x-xss-protection: 0
last-modified: Mon, 08 Apr 2024 16:50:52 GMT
server: ESF
cross-origin-opener-policy: same-origin-allow-popups
x-frame-options: SAMEORIGIN
content-type: text/css; charset=utf-8
access-control-allow-origin: *
cache-control: private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin: *
link: <https://fonts.gstatic.com>; rel=preconnect; crossorigin
expires: Mon, 08 Apr 2024 18:40:41 GMT

Verdicts & Comments Add Verdict or Comment

347 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.

13 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.

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.chem.libretexts.org/	1970-01-20 19:43:21	Name: _gat Value: 1
.chem.libretexts.org/	1970-01-20 19:43:21	Name: _gat_mtTracker Value: 1
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.libretexts.org/	1970-01-20 19:43:23	Name: _pk_ses.4.e4be Value: 1
matomo-test-ecs.libretexts.org/	1970-01-20 19:53:26	Name: AWSALBTG Value: 3FYePRHP6CYedBLLg5GbiAAf5FpCQk3V6DImneF0tORViZzSJbkIVqrVdoQmLrgNHiRjYqyCHG2w7Yo0jlnkloXBTDusmj6I+rPkgzbyU3iobMRax9o8pV0F8Cawowip2d6Q6kbJCVKB67oj2KatxkQ2piELmwS/j4f/1WHY2o0E4K+jHMI=
matomo-test-ecs.libretexts.org/	1970-01-20 19:53:26	Name: AWSALBTGCORS Value: 3FYePRHP6CYedBLLg5GbiAAf5FpCQk3V6DImneF0tORViZzSJbkIVqrVdoQmLrgNHiRjYqyCHG2w7Yo0jlnkloXBTDusmj6I+rPkgzbyU3iobMRax9o8pV0F8Cawowip2d6Q6kbJCVKB67oj2KatxkQ2piELmwS/j4f/1WHY2o0E4K+jHMI=

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	upgrade-insecure-requests; default-src https: data: filesystem: blob: mediastream: 'unsafe-inline' 'unsafe-eval'; connect-src https: wss:
Strict-Transport-Security	max-age=31536000; includeSubDomains
X-Content-Type-Options	nosniff
X-Xss-Protection	1; mode=block

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.

a.mtstatic.com
cdn.hypothes.is
cdn.jsdelivr.net
cdn.libretexts.net
cdnjs.cloudflare.com
chem.libretexts.org
cloudflareinsights.com
donorbox.org
files.mtstatic.com
fonts.googleapis.com
fonts.gstatic.com
hypothes.is
matomo-test-ecs.libretexts.org
pro.fontawesome.com
region1.analytics.google.com
region1.google-analytics.com
static.cloudflareinsights.com
stats.g.doubleclick.net
unpkg.com
use.fontawesome.com
www.google-analytics.com
www.google.com
www.google.de
www.googletagmanager.com
104.16.89.20
104.17.25.14
108.138.36.105
142.250.185.100
142.250.185.195
172.67.216.41
172.67.22.135
18.173.154.72
2001:4860:4802:34::36
2001:4860:4802:36::178
2600:9000:20c3:7400:11:2451:2fc0:93a1
2606:4700:10::ac43:2a18
2606:4700:3034::ac43:d829
2606:4700:4400::6812:2844
2606:4700::6810:5049
2606:4700::6811:f7cb
2606:4700:e6::ac40:cf26
2a00:1450:4001:808::2003
2a00:1450:4001:810::200a
2a00:1450:4001:81c::2008
2a00:1450:400c:c1f::9b
54.209.223.9
99.84.88.114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23a3c81a5df7d3da05fa9076795ee0734ee6ccd1bc568a6fec1444b007805ae3
257bd510cd4feac1020b9631c76b90152bdf83a311d1bf8f0628ae902d1de063
272d6c929032333f5a111d9c4effd6cf6592d4f2ce911a3085763fdb39e6e961
2a59d3574ac293e9bd06d9433b6267819a775409c34def27b0cbf4b9beb3fd05
2adefcbc041e7d18fcf2d417879dc5a09997aa64d675b7a3c4b6ce33da13f3fe
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396ac22042e131330c8fe8b81530d255586190c9315894b3e844c07049fc7aa4
39b74703f7979270baabb23785b02c3d1c529d1380d7b5321f54c45d91cb4461
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3f0fe70eb26ccf28f6887a192e29d38dd7ef7c2f079a73304ad42ddc7bed37de
3fefc38c9f36866cc9f6ccd810a54c3767bcb18d1a515329f5534d101ff0cdf4
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42d60710ad08eb4b8ec75e4dcf23e7a605f28847b39fb80aed6c9b60a0b5e187
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478b9c6162ec28a6f00259db41737370fb74e329add2e72d74846f1f56996f7e
51bdcf40fc5106048dfa437cb6a874132ff4b9e65f4ca4d40db97f0a7f63a6d0
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55c77dfef369aee9bf4058c15f01b7d8c245177cd0e2a6ecb1d1ae71a7443d6f
5b9573e1023da775390e9284ec0eb1c606df9b468a28980055b4a6aa804f4350
5dd66829d70e0f702d82dad297997a865e34cb6d6d2adf09e2ee5bf6a5131d34
5e2ebe318337d80beb6d77f56b433ab5d214043c25e62493a43ccfe256c2a47b
6153d13804862b0fc1c016cf1129f34cb7c6185f2cf4bf1a3a862eecdab50101
647fe9a1aea068459523ea9955f0aebbc332a2967062e55c0958df6794ffea6e
67a0f5268d9cb76e3d333359227915ed024ec873d38dbe2c533524cbe91ec731
6d425a3a2d338a03b20de24090954a8fbf239ff6ef426e753c7738303ce20ba6
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6ea0787cce1310cfd84381d8b087a37ceadbd4fccc8808bf3a16c0a29b9651a6
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78906bce5b4fa9eb7e2c36936a9897acda12fd02c6015c38a9c4ab0c7151d070
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838e680ca964a26c94665951577f3f0902ef54de2ee063d3465f22945dc44afa
83b1dfaacb0540d32ae41cd12a0d741593118d65b8a7e023988f3c0f81b3ad30
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chem.libretexts.org Open in urlscan Pro 2600:9000:20c3:7400:11:2451:2fc0:93a1 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

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Detected technologies

Page Statistics

130 Requests

95 %HTTPS

57 %IPv6

17 Domains

24 Subdomains

23 IPs

4 Countries

3096 kBTransfer

10089 kBSize

13 Cookies

7 Outgoing links

Page URL History

Redirected requests

130 HTTP transactions Everything HTML Script AJAX CSS Image Expand all 0 data transactions

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chem.libretexts.org Open in urlscan Pro
2600:9000:20c3:7400:11:2451:2fc0:93a1 Public Scan

Screenshot
Live screenshot

Full Image

130
Requests

95 %
HTTPS

57 %
IPv6

17
Domains

24
Subdomains

23
IPs

4
Countries

3096 kB
Transfer

10089 kB
Size

13
Cookies

130 HTTP transactions
0 data transactions