www.ck12.org Open in urlscan Pro
2600:9000:20eb:1c00:8:f05f:c540:93a1 Public Scan

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Add Verdict Report

Submitted URL:
http://ck12.org/
Effective URL:
https://www.ck12.org/student/
Submission Tags: falconsandbox
Submission: On March 26 via api (March 26th 2023, 3:32:04 am UTC) from US — Scanned from DE

Summary HTTP 124 Redirects Links 65 Behaviour Indicators

Summary

This website contacted 20 IPs in 2 countries across 9 domains to perform 124 HTTP transactions. The main IP is 2600:9000:20eb:1c00:8: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 44201.
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	2600:9000:20e... 2600:9000:20eb:6600:8:f05f:c540:93a1	16509 (AMAZON-02) (AMAZON-02)
1 14	2600:9000:20e... 2600:9000:20eb:1c00:8:f05f:c540:93a1	16509 (AMAZON-02) (AMAZON-02)
5	2600:9000:20e... 2600:9000:20eb:fc00:8:f05f:c540:93a1	16509 (AMAZON-02) (AMAZON-02)
55	2600:9000:20e... 2600:9000:20eb:5400:8:f05f:c540:93a1	16509 (AMAZON-02) (AMAZON-02)
3	13.225.78.3 13.225.78.3	16509 (AMAZON-02) (AMAZON-02)
3	2a00:1450:400... 2a00:1450:4001:829::200d	15169 (GOOGLE) (GOOGLE)
5	2600:9000:223... 2600:9000:223c:ce00:12:aac7:4140:93a1	16509 (AMAZON-02) (AMAZON-02)
12	2600:9000:21f... 2600:9000:21f3:fe00:1f:8b19:b780:93a1	16509 (AMAZON-02) (AMAZON-02)
2	2a00:1450:400... 2a00:1450:4001:803::2008	15169 (GOOGLE) (GOOGLE)
1	2a00:1450:400... 2a00:1450:4001:829::200e	15169 (GOOGLE) (GOOGLE)
1	2600:9000:225... 2600:9000:2250:d600:14:71e4:46c0:93a1	16509 (AMAZON-02) (AMAZON-02)
3	2a00:1450:400... 2a00:1450:4001:827::200e	15169 (GOOGLE) (GOOGLE)
1	2600:1901:0:b... 2600:1901:0:bc29::	15169 (GOOGLE) (GOOGLE)
12	2600:9000:249... 2600:9000:2490:ca00:f:a35f:3100:93a1	16509 (AMAZON-02) (AMAZON-02)
4	2a00:1450:400... 2a00:1450:4001:82a::2003	15169 (GOOGLE) (GOOGLE)
1	2a00:1450:400... 2a00:1450:4001:828::200a	15169 (GOOGLE) (GOOGLE)
1	2001:4860:480... 2001:4860:4802:34::36	15169 (GOOGLE) (GOOGLE)
1	2a00:1450:400... 2a00:1450:4001:809::2004	15169 (GOOGLE) (GOOGLE)
1	35.190.25.25 35.190.25.25	() ()
124	20

1 2600:9000:20eb:6600:8:f05f:c540:93a1 (United States) 1 redirects

ASN16509 (AMAZON-02, US)

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

14 2600:9000:20eb:1c00:8:f05f:c540:93a1 (United States) 1 redirects

ASN16509 (AMAZON-02, US)

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

5 2600:9000:20eb:fc00:8:f05f:c540:93a1 (United States)

ASN16509 (AMAZON-02, US)

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

55 2600:9000:20eb:5400:8:f05f:c540:93a1 (United States)

ASN16509 (AMAZON-02, US)

static2.ck12.org	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools
static3.ck12.org	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

3 13.225.78.3 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-13-225-78-3.fra2.r.cloudfront.net

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

3 2a00:1450:4001:829::200d (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

5 2600:9000:223c:ce00:12:aac7:4140:93a1 (United States)

ASN16509 (AMAZON-02, US)

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

12 2600:9000:21f3:fe00:1f:8b19:b780:93a1 (United States)

ASN16509 (AMAZON-02, US)

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

2 2a00:1450:4001:803::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

1 2a00:1450:4001:829::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

1 2600:9000:2250:d600:14:71e4:46c0:93a1 (United States)

ASN16509 (AMAZON-02, US)

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

3 2a00:1450:4001:827::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

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

ASN15169 (GOOGLE, US)

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

12 2600:9000:2490:ca00:f:a35f:3100:93a1 (United States)

ASN16509 (AMAZON-02, US)

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

4 2a00:1450:4001:82a::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

1 2a00:1450:4001:828::200a (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

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

ASN15169 (GOOGLE, US)

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

1 2a00:1450:4001:809::2004 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

1 35.190.25.25 (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: 38170 www.ck12.org — Cisco Umbrella Rank: 44201 static1.ck12.org — Cisco Umbrella Rank: 56482 static2.ck12.org — Cisco Umbrella Rank: 54104 static3.ck12.org — Cisco Umbrella Rank: 62542 tinymce.ck12.org — Cisco Umbrella Rank: 59427 static.ck12.org — Cisco Umbrella Rank: 53874 capi.ck12.org — Cisco Umbrella Rank: 67677	1 MB
17	cloudfront.net d3lkjnwva6z405.cloudfront.net dr282zn36sxxg.cloudfront.net	343 KB
5	google.com accounts.google.com — Cisco Umbrella Rank: 72 translate.google.com — Cisco Umbrella Rank: 1217 www.google.com — Cisco Umbrella Rank: 2	107 KB
4	gstatic.com www.gstatic.com	12 KB
4	google-analytics.com www.google-analytics.com — Cisco Umbrella Rank: 25 region1.google-analytics.com — Cisco Umbrella Rank: 2368	21 KB
2	googletagmanager.com www.googletagmanager.com — Cisco Umbrella Rank: 39	176 KB
1	mixpanel.com api-js.mixpanel.com	369 B
1	googleapis.com translate.googleapis.com — Cisco Umbrella Rank: 863	213 KB
1	mxpnl.com cdn.mxpnl.com — Cisco Umbrella Rank: 3119	18 KB
124	9

	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 static2.ck12.org static.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	static3.ck12.org	www.ck12.org
3	www.google-analytics.com	www.googletagmanager.com www.google-analytics.com
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	cdn.mxpnl.com
1	www.google.com	www.ck12.org
1	region1.google-analytics.com	www.googletagmanager.com
1	translate.googleapis.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
124	20

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	`2023-03-06` - `2023-05-29`	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	`2023-03-06` - `2023-05-29`	3 months	crt.sh
*.google.com GTS CA 1C3	`2023-03-06` - `2023-05-29`	3 months	crt.sh
*.mxpnl.com GeoTrust Global TLS RSA4096 SHA256 2022 CA1	`2022-07-11` - `2023-07-28`	a year	crt.sh
*.gstatic.com GTS CA 1C3	`2023-03-06` - `2023-05-29`	3 months	crt.sh
upload.video.google.com GTS CA 1C3	`2023-03-06` - `2023-05-29`	3 months	crt.sh
www.google.com GTS CA 1C3	`2023-03-06` - `2023-05-29`	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: 4140EE4FF6DA1DE6C06277C400D46A4B
Requests: 128 HTTP requests in this frame

Frame: data://truncated
Frame ID: 1A8BBBE3360F57912622E62B7AE1637B
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: 84D43C5572D42503BEB880BCFC71D651
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

http://ck12.org/ HTTP 307
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

124
Requests

100 %
HTTPS

89 %
IPv6

9
Domains

20
Subdomains

20
IPs

2
Countries

1958 kB
Transfer

4081 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.

http://ck12.org/ HTTP 307
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:

124 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

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

9 KB
4 KB

24ms
24ms

Document
text/html

2600:9000:20eb:1c00:8: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

2600:9000:20eb:1c00:8: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/111.0.5563.110 Safari/537.36
accept-language: de-DE,de;q=0.9

Response headers

access-control-allow-headers: Content-Type, *
access-control-allow-methods: GET, POST, PUT, DELETE, OPTIONS
age: 10985
alt-svc: h3=":443"; ma=86400
content-encoding: gzip
content-length: 3251
content-security-policy: frame-ancestors 'self' https://*.ck12.org; report-uri https://csp-report.ck12.org; report-to ck12-csp-endpoint;
content-type: text/html; charset=utf-8
date: Sun, 26 Mar 2023 00:28:52 GMT
referrer-policy: strict-origin-when-cross-origin
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Full URL

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Full URL: https://static.ck12.org/testimonial/unified-browse-navigation.json
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GET
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GET
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GET
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5 KB 26ms
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AMAZON-02

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5 KB 33ms
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6 KB 35ms
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AMAZON-02

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AMAZON-02

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GET
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660 B 25ms
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Full URL

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

Requested by

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Full URL

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Requested by

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Show headers Download Go to

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Full URL

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

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82 KB 40ms
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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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23 KB 160ms
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AMAZON-02

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16 KB 61ms
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AMAZON-02

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14 KB 37ms
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image/jpeg 2600:9000:2490:ca00: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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Response headers

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15 KB 48ms
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AMAZON-02

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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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17 KB 48ms
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AMAZON-02

General

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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

date: Wed, 08 Mar 2023 11:39:14 GMT
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13 KB 60ms
58ms Image
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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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Response headers

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13 KB 62ms
60ms Image
image/jpeg 2600:9000:2490:ca00:f:a35f:3100:93a1
AMAZON-02

General

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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
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Response headers

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www.ck12.org/media/course-book-app/data/images/ 1 KB
755 B 23ms
22ms Image
image/svg+xml 2600:9000:20eb:1c00:8:f05f:c540:93a1
AMAZON-02

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Full URL: https://www.ck12.org/media/course-book-app/data/images/icon-community.svg
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URL: https://www.ck12.org/student/
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Request headers

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GET
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585 B 57ms
54ms Stylesheet
text/css 2a00:1450:4001:829::200d
GOOGLE

General

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Full URL

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

Requested by

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:829::200d Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

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Software

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Request headers

accept-language: de-DE,de;q=0.9
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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.110 Safari/537.36

Response headers

date: Sun, 26 Mar 2023 03:31:58 GMT
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expires: Sun, 26 Mar 2023 03:31:58 GMT

GET
H2 200 status Show response
accounts.google.com/gsi/ 40 B
523 B 79ms
78ms XHR
application/json 2a00:1450:4001:829::200d
GOOGLE

General

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Full URL

https://accounts.google.com/gsi/status?client_id=824097203574.apps.googleusercontent.com&as=h3drXMB92KTXQ3lmD04adg

Requested by

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:829::200d Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

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Software

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Resource Hash

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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/111.0.5563.110 Safari/537.36

Response headers

date: Sun, 26 Mar 2023 03:31:58 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-2rG2CKcCTtD_Rel8n8oIJQ' '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
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expires: Mon, 01 Jan 1990 00:00:00 GMT

GET
DATA 200
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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: /
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Response headers

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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: /
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Request headers

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Response headers

Content-Type: image/svg+xml

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

General

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Full URL: data:truncated
Protocol: DATA
Server: -, , ASN (),
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Software: /
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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: /
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Request headers

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Referer
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.110 Safari/537.36

Response headers

Content-Type: image/svg+xml

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

General

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Show headers Download Go to Show image

Full URL: data:truncated
Protocol: DATA
Server: -, , ASN (),
Reverse DNS
Software: /
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Request headers

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Referer
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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: /
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Request headers

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Referer
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.110 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: /
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Request headers

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Referer
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.110 Safari/537.36

Response headers

Content-Type: image/svg+xml

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

General

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Show headers Download Go to Show image

Full URL: data:truncated
Protocol: DATA
Server: -, , ASN (),
Reverse DNS
Software: /
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Request headers

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Referer
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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 48ms
46ms Image
image/png 2600:9000:20eb:5400:8:f05f:c540:93a1
AMAZON-02

General

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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: 2600:9000:20eb:5400:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
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Request headers

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Response headers

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AMAZON-02

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Response headers

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AMAZON-02

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Response headers

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AMAZON-02

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Response headers

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Full URL

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Protocol

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Response headers

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GOOGLE

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Full URL

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Response headers

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GOOGLE

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Full URL

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Response headers

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POST
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AMAZON-02

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Full URL: https://www.ck12.org/dexter/record/event
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Response headers

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GOOGLE

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Full URL

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

Requested by

Host: www.google-analytics.com
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Protocol

Security

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Response headers

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POST
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252 B 104ms
27ms Ping
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GOOGLE

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Full URL: https://region1.google-analytics.com/g/collect?v=2&tid=G-7PBE4L0PZZ&gtm=45je33m0&_p=370389981&cid=28774760.1679801519&ul=en-us&sr=1600x1200&uaa=&uab=&uafvl=&uamb=0&uam=&uap=&uapv=&uaw=0&_s=1&sid=1679801519&sct=1&seg=0&dl=https%3A%2F%2Fwww.ck12.org%2Fstudent%2F&dt=Free%20Online%20Textbooks%2C%20Flashcards%2C%20Adaptive%20Practice%2C%20Real%20World%20Examples%2C%20Simulations&en=page_view&_fv=1&_ss=1&up.ck12_user_role=null&up.ck12_user_id=null
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Request headers

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Response headers

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date: Sun, 26 Mar 2023 03:31:59 GMT
server: Golfe2
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POST
H3 200 collect Show response
www.google-analytics.com/j/ 3 B
23 B 28ms
26ms XHR
text/plain 2a00:1450:4001:827::200e
GOOGLE

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Full URL

https://www.google-analytics.com/j/collect?v=1&_v=j99&a=370389981&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=1931218159&gjid=1418030585&cid=28774760.1679801519&tid=UA-5330854-2&_gid=2046596350.1679801519&_r=1&_slc=1&gtm=45He33m0n71NFJ3V2&z=148390771

Requested by

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Protocol

Security

QUIC, , AES_128_GCM

Server

2a00:1450:4001:827::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

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/111.0.5563.110 Safari/537.36
Content-Type: text/plain

Response headers

pragma: no-cache
date: Sun, 26 Mar 2023 03:31:59 GMT
x-content-type-options: nosniff
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server: Golfe2
content-type: text/plain
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content-length: 3
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
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21 KB 413ms
413ms Image
image/svg+xml 2600:9000:21f3:fe00:1f:8b19:b780:93a1
AMAZON-02

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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/
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Reverse DNS
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Request headers

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Referer: https://www.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.110 Safari/537.36

Response headers

x-amz-version-id: 4bZPlF7mZTerpnrr6qiOB7qCalJ2i_Me
content-encoding: gzip
via: 1.1 286eb4b50e0acf373dd03645aee00b7e.cloudfront.net (CloudFront)
date: Sun, 26 Mar 2023 03:32:00 GMT
last-modified: Wed, 03 Mar 2021 05:13:06 GMT
server: AmazonS3
x-amz-cf-pop: FRA2-C2
etag: W/"8147f7fd65e30bb976cd877a12c8c561"
vary: Accept-Encoding
x-cache: RefreshHit from cloudfront
content-type: image/svg+xml
x-amz-cf-id: MtAJjg-9RAZoOOg1Liz_DYPbYfjCkQ5Ez0q3ael3Ejb6NwbPwczO-Q==

GET
H3 200 6bc693e21ce10fc44481a180fb452a12.png
static2.ck12.org/media/build-20230302082720/course-book-app/dist/ 837 B
1 KB 22ms
21ms Image
image/png 2600:9000:20eb:5400:8: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: 2600:9000:20eb:5400:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 8049a098e67ea9c53d3bc511a6e4118011d907754e6e9f42498cf8936b12c8aa

Request headers

accept-language: de-DE,de;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/111.0.5563.110 Safari/537.36

Response headers

date: Wed, 08 Mar 2023 06:11:34 GMT
via: 1.1 7a18a0a1d9929dae345690b88b08dd5e.cloudfront.net (CloudFront)
last-modified: Thu, 02 Mar 2023 10:02:16 GMT
server: AmazonS3
age: 1545626
x-amz-cf-pop: FRA2-C1
etag: "6bc693e21ce10fc44481a180fb452a12"
x-cache: Hit from cloudfront
content-type: image/png
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
content-length: 837
x-amz-cf-id: GqO5oGaM8Cyh5CJzLmbExHf9Kw85E1goQWhHoX7Fk7z1fF7lIblC6A==

GET
DATA 200
OK truncated Show response
/ Frame 1A8B 1 KB
1 KB Document
text/html

General

Check archive.org

Show headers Download Go to

Full URL: data:truncated
Protocol: DATA
Server: -, , ASN (),
Reverse DNS
Software: /
Resource Hash: 10908b6e6cfaeb149b47a6dc31aaa65aca0cf22158c74096c384bbc47285914a

Request headers

Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.110 Safari/537.36
accept-language: de-DE,de;q=0.9

Response headers

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

GET
H2 200 translate_24dp.png
www.gstatic.com/images/branding/product/2x/ 2 KB
2 KB 21ms
20ms Image
image/png 2a00:1450:4001:82a::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
URL: https://www.gstatic.com/_/translate_http/_/ss/k=translate_http.tr.69JJaQ5G5xA.L.W.O/d=0/rs=AN8SPfpC36MIoWPngdVwZ4RUzeJYZaC7rg/m=el_main_css

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:82a::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

sffe /

Resource Hash

4dac0026fbfa2615dce30c0af12830863fe885f84387a0147b9e338f548d5d82

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.gstatic.com/_/translate_http/_/ss/k=translate_http.tr.69JJaQ5G5xA.L.W.O/d=0/rs=AN8SPfpC36MIoWPngdVwZ4RUzeJYZaC7rg/m=el_main_css
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.110 Safari/537.36

Response headers

date: Sat, 25 Mar 2023 17:08:07 GMT
x-content-type-options: nosniff
age: 37432
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 1842
x-xss-protection: 0
last-modified: Thu, 14 Oct 2021 09:08:00 GMT
server: sffe
vary: Origin
report-to: {"group":"static-on-bigtable","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/static-on-bigtable"}]}
content-type: image/png
cache-control: public, max-age=31536000
accept-ranges: bytes
cross-origin-opener-policy-report-only: same-origin; report-to="static-on-bigtable"
expires: Sun, 24 Mar 2024 17:08:07 GMT

GET
H2 200 m=el_main_css
www.gstatic.com/_/translate_http/_/ss/k=translate_http.tr.69JJaQ5G5xA.L.W.O/d=0/rs=AN8SPfpC36MIoWPngdVwZ4RUzeJYZaC7rg/ Frame 84D4 25 KB
4 KB 20ms
20ms Stylesheet
text/css 2a00:1450:4001:82a::2003
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

Host: translate.googleapis.com
URL: https://translate.googleapis.com/_/translate_http/_/js/k=translate_http.tr.de.IzZxG-pqk-s.O/am=Ag/d=1/exm=el_conf/ed=1/rs=AN8SPfpBbn2NeFyQm4qCL2EVMgYvgxTepg/m=el_main

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:82a::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

sffe /

Resource Hash

7db470720bc87269e9bf81c2da2649d4f59d54eb54ca5ed4547855758d6688a0

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.110 Safari/537.36

Response headers

date: Fri, 24 Mar 2023 08:19:59 GMT
content-encoding: gzip
x-content-type-options: nosniff
age: 155520
content-security-policy-report-only: require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/rosetta
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 4396
x-xss-protection: 0
last-modified: Sun, 12 Mar 2023 00:11:57 GMT
server: sffe
cross-origin-opener-policy: same-origin; report-to="rosetta"
vary: Accept-Encoding
report-to: {"group":"rosetta","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/rosetta"}]}
content-type: text/css; charset=UTF-8
access-control-allow-origin: *
cache-control: public, max-age=31536000
accept-ranges: bytes
expires: Sat, 23 Mar 2024 08:19:59 GMT

GET
H2 200 translate_24dp.png
www.gstatic.com/images/branding/product/1x/ 846 B
936 B 22ms
21ms Image
image/png 2a00:1450:4001:82a::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
URL: https://www.ck12.org/student/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:82a::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

sffe /

Resource Hash

5a861509b658aa24fc3aed2867ac3c061e7d818d90b9990959afc6d1b5d4ff99

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.110 Safari/537.36

Response headers

date: Sun, 26 Mar 2023 02:39:59 GMT
x-content-type-options: nosniff
age: 3120
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 846
x-xss-protection: 0
last-modified: Thu, 14 Oct 2021 09:08:00 GMT
server: sffe
vary: Origin
report-to: {"group":"static-on-bigtable","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/static-on-bigtable"}]}
content-type: image/png
cache-control: public, max-age=31536000
accept-ranges: bytes
cross-origin-opener-policy-report-only: same-origin; report-to="static-on-bigtable"
expires: Mon, 25 Mar 2024 02:39:59 GMT

GET
H2 200 cleardot.gif
www.google.com/images/ 43 B
505 B 76ms
28ms Image
image/gif 2a00:1450:4001:809::2004
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

2a00:1450:4001:809::2004 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

sffe /

Resource Hash

2dfe28cbdb83f01c940de6a88ab86200154fd772d568035ac568664e52068363

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.ck12.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.110 Safari/537.36

Response headers

pragma: no-cache
date: Sun, 26 Mar 2023 03:31:59 GMT
x-content-type-options: nosniff
last-modified: Tue, 22 Oct 2019 18:30:00 GMT
server: sffe
report-to: {"group":"static-on-bigtable","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/static-on-bigtable"}]}
content-type: image/gif
cache-control: no-cache, no-store, must-revalidate
cross-origin-resource-policy: cross-origin
accept-ranges: bytes
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 43
x-xss-protection: 0
cross-origin-opener-policy-report-only: same-origin; report-to="static-on-bigtable"
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H3 200 3278.js Show response
static2.ck12.org/media/build-20230302082720/course-book-app/dist/ 29 KB
11 KB 22ms
22ms Script
application/javascript 2600:9000:20eb:5400:8: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
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:20eb:5400:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 8a7c405f675e8b8136d75f6504fc7a6217eeaa48ed3907fab2244e03bd40b566

Request headers

accept-language: de-DE,de;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/111.0.5563.110 Safari/537.36

Response headers

date: Mon, 13 Mar 2023 11:17:45 GMT
content-encoding: gzip
via: 1.1 7a18a0a1d9929dae345690b88b08dd5e.cloudfront.net (CloudFront)
last-modified: Thu, 02 Mar 2023 10:02:15 GMT
server: AmazonS3
age: 1095255
x-amz-cf-pop: FRA2-C1
etag: W/"18c37ca16f63047bfeb61c4060ef8f35"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: pIx9qZbusAO3IK-zXP6SRStLzISL0Af4WYiKyCSR6ItRQ58Uo4LeiQ==

GET
H3 200 7397.js Show response
static2.ck12.org/media/build-20230302082720/course-book-app/dist/ 88 KB
25 KB 23ms
23ms Script
application/javascript 2600:9000:20eb:5400:8: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
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:20eb:5400:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 842a2464daf366fa31687a733b5463d3d5fa882c9835bd3ed1607ffbfa362217

Request headers

accept-language: de-DE,de;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/111.0.5563.110 Safari/537.36

Response headers

date: Tue, 07 Mar 2023 06:10:31 GMT
content-encoding: gzip
via: 1.1 7a18a0a1d9929dae345690b88b08dd5e.cloudfront.net (CloudFront)
last-modified: Thu, 02 Mar 2023 10:02:16 GMT
server: AmazonS3
age: 1632089
x-amz-cf-pop: FRA2-C1
etag: W/"b79a2862c350eade31414442ce81dc4b"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: 9cByL3gG-OX1Y9kVdzb0Z0NJp7LEfDdgeaBZFgJTg7CzDVoHTygv8Q==

GET
H3 200 SearchBar.js Show response
static2.ck12.org/media/build-20230302082720/course-book-app/dist/ 7 KB
3 KB 22ms
22ms Script
application/javascript 2600:9000:20eb:5400:8: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
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2600:9000:20eb:5400:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 7ce4edf6d749d894457ca808bd1f11ce083d5fdf115e1f4f56dec47996963d31

Request headers

accept-language: de-DE,de;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/111.0.5563.110 Safari/537.36

Response headers

date: Tue, 07 Mar 2023 09:55:18 GMT
content-encoding: gzip
via: 1.1 7a18a0a1d9929dae345690b88b08dd5e.cloudfront.net (CloudFront)
last-modified: Thu, 02 Mar 2023 10:02:16 GMT
server: AmazonS3
age: 1618602
x-amz-cf-pop: FRA2-C1
etag: W/"6fc7e37fc5eb74499cbe350a1838c72a"
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=31536000
alt-svc: h3=":443"; ma=86400
x-amz-cf-id: n06pv0nj2PXeBac17vxdH2EeiuZX6jbShgKO-RYwfRTGWXvMXv4VVQ==

POST
H2 200 / Show response
api-js.mixpanel.com/track/ 25 B
369 B 98ms
48ms XHR
application/json 35.190.25.25

General

Check archive.org

Show headers Download Go to

Full URL

https://api-js.mixpanel.com/track/?verbose=1&ip=1&_=1679801524035

Requested by

Host: cdn.mxpnl.com
URL: https://cdn.mxpnl.com/libs/mixpanel-2-latest.min.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

35.190.25.25 -, , ASN (),

Reverse DNS

Software

envoy /

Resource Hash

e39a8118ec6cdf6ac33e6961518e9fe6ba3f6caf099aeeaec1389c2108ba90ba

Security Headers

Name	Value
Strict-Transport-Security	max-age=604800; includeSubDomains

Request headers

Referer: https://www.ck12.org/
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.110 Safari/537.36
Content-Type: application/x-www-form-urlencoded

Response headers

strict-transport-security: max-age=604800; includeSubDomains
date: Sun, 26 Mar 2023 03:32:04 GMT
via: 1.1 google
server: envoy
access-control-max-age: 1728000
access-control-allow-methods: GET, POST, OPTIONS
content-type: application/json
access-control-allow-origin: https://www.ck12.org
access-control-expose-headers: X-MP-CE-Backoff
cache-control: no-cache, no-store
access-control-allow-credentials: true
x-envoy-upstream-service-time: 18
access-control-allow-headers: X-Requested-With
content-length: 25
alt-svc: clear

Verdicts & Comments Add Verdict or Comment

117 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 10:46:46	Name: flxweb_role Value: student
www.ck12.org/	1970-01-20 10:38:07	Name: X-Ck12-Cdn-Version Value: 202303020211
.ck12.org/	1970-01-20 10:36:43	Name: dexterjsSessionID Value: BC2rbavfAEd6LdHuY5hgRZ4wa
.ck12.org/	1970-01-20 14:55:53	Name: dexterjsVisitorID Value: NTmk3fhCLIfYJ5gZLSUCeyLYG
.ck12.org/	1970-01-20 12:46:17	Name: _gcl_au Value: 1.1.1594162835.1679801519
.ck12.org/	1970-01-20 10:46:46	Name: ck:country Value: DE
.ck12.org/	1970-01-20 10:38:07	Name: _gid Value: GA1.2.2046596350.1679801519
.ck12.org/	1970-01-20 20:12:41	Name: _ga_7PBE4L0PZZ Value: GS1.1.1679801519.1.0.1679801519.0.0.0
.ck12.org/	1970-01-20 20:12:41	Name: _ga Value: GA1.1.28774760.1679801519
.ck12.org/	1970-01-20 10:36:41	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
capi.ck12.org
cdn.mxpnl.com
ck12.org
d3lkjnwva6z405.cloudfront.net
dr282zn36sxxg.cloudfront.net
region1.google-analytics.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
13.225.78.3
2001:4860:4802:34::36
2600:1901:0:bc29::
2600:9000:20eb:1c00:8:f05f:c540:93a1
2600:9000:20eb:5400:8:f05f:c540:93a1
2600:9000:20eb:6600:8:f05f:c540:93a1
2600:9000:20eb:fc00:8:f05f:c540:93a1
2600:9000:21f3:fe00:1f:8b19:b780:93a1
2600:9000:223c:ce00:12:aac7:4140:93a1
2600:9000:2250:d600:14:71e4:46c0:93a1
2600:9000:2490:ca00:f:a35f:3100:93a1
2a00:1450:4001:803::2008
2a00:1450:4001:809::2004
2a00:1450:4001:827::200e
2a00:1450:4001:828::200a
2a00:1450:4001:829::200d
2a00:1450:4001:829::200e
2a00:1450:4001:82a::2003
35.190.25.25
00ef68da43f5e65881f623b439c800e59f8b20f2a515075e003a04a73073e477
017e9d9267b825390d06db86c8b2051dcf29a28f748e5e6f56382c5b675c5853
038daf67edc519feeb54df035b59923390c6cd82568116ff264eaab7149a165e
05082a06b38ae0c1fe4d9388640ed39693006c3ff97ae620a45b63d5af006d35
0672d5c7428d58b298af157b17c3828c358850a9c198f501a9bdd6acdd9415ba
0ee8db8b3a8fbde3e03747383ba73e53445095c40269075d64697fa08d062bbb
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www.ck12.org Open in urlscan Pro 2600:9000:20eb:1c00:8: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

124 Requests

100 %HTTPS

89 %IPv6

9 Domains

20 Subdomains

20 IPs

2 Countries

1958 kBTransfer

4081 kBSize

10 Cookies

65 Outgoing links

Page URL History

Redirected requests

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

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www.ck12.org Open in urlscan Pro
2600:9000:20eb:1c00:8:f05f:c540:93a1 Public Scan

Screenshot
Live screenshot

Full Image

124
Requests

100 %
HTTPS

89 %
IPv6

9
Domains

20
Subdomains

20
IPs

2
Countries

1958 kB
Transfer

4081 kB
Size

10
Cookies

124 HTTP transactions
11 data transactions