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www.ck12.org Open in urlscan Pro
2600:9000:2240:2600:8:f05f:c540:93a1  Public Scan

Go To Rescan Add Verdict Report
Submitted URL: http://ck12.org/
Effective URL: https://www.ck12.org/student/
Submission Tags: falconsandbox
Submission: On March 15 via api from US — Scanned from DE
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 17 IPs in 3 countries across 8 domains to perform 94 HTTP transactions. The main IP is 2600:9000:2240:2600:8: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 32166.
TLS certificate: Issued by Go Daddy Secure Certificate Authority... on January 8th 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

2    2600:9000:2240:3400:8:f05f:c540:93a1 (United States)

ASN16509 (AMAZON-02, US)
ck12.org
8    2600:9000:2240:2600:8:f05f:c540:93a1 (United States)

ASN16509 (AMAZON-02, US)
www.ck12.org
34    2600:9000:236e:8000:8:f05f:c540:93a1 (United States)

ASN16509 (AMAZON-02, US)
static2.ck12.org
image1.ck12.org
static1.ck12.org
1    2a00:1450:4001:830::200a (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
fonts.googleapis.com
6    2600:9000:2240:ea00:8:f05f:c540:93a1 (United States)

ASN16509 (AMAZON-02, US)
static3.ck12.org
1    2a00:1450:4001:803::200d (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
accounts.google.com
4    2a00:1450:4001:808::200a (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
maps.googleapis.com
12    2600:9000:223c:a000:1f:8b19:b780:93a1 (United States)

ASN16509 (AMAZON-02, US)
static.ck12.org
2    2a00:1450:4001:831::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.googletagmanager.com
12    2600:9000:2490:1a00:f:a35f:3100:93a1 (United States)

ASN16509 (AMAZON-02, US)
dr282zn36sxxg.cloudfront.net
1    2a00:1450:4001:82b::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
translate.google.com
2    2a04:4e42:400::729 (United States)

ASN54113 (FASTLY, US)
js.sentry-cdn.com
browser.sentry-cdn.com
4    2a00:1450:4001:82a::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google-analytics.com
4    2a00:1450:4001:828::200a (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
translate.googleapis.com
2    2a00:1450:4001:829::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.gstatic.com
1    2a00:1450:400e:801::2004 (Ireland)

ASN15169 (GOOGLE, US)
www.google.com
1    2a00:1450:4001:813::200a (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
translate-pa.googleapis.com
Apex Domain
Subdomains		 Transfer
62 ck12.org
ck12.org — Cisco Umbrella Rank: 28441
www.ck12.org — Cisco Umbrella Rank: 32166
static2.ck12.org — Cisco Umbrella Rank: 42091
static3.ck12.org — Cisco Umbrella Rank: 43233
image1.ck12.org — Cisco Umbrella Rank: 65601
static1.ck12.org — Cisco Umbrella Rank: 40090
static.ck12.org — Cisco Umbrella Rank: 36948
1 MB
12 cloudfront.net
dr282zn36sxxg.cloudfront.net
250 KB
10 googleapis.com
fonts.googleapis.com — Cisco Umbrella Rank: 35
maps.googleapis.com — Cisco Umbrella Rank: 316
translate.googleapis.com — Cisco Umbrella Rank: 796
translate-pa.googleapis.com — Cisco Umbrella Rank: 1315
261 KB
4 google-analytics.com
www.google-analytics.com — Cisco Umbrella Rank: 31
21 KB
3 google.com
accounts.google.com — Cisco Umbrella Rank: 64
translate.google.com — Cisco Umbrella Rank: 957
www.google.com — Cisco Umbrella Rank: 2
100 KB
2 gstatic.com
www.gstatic.com
3 KB
2 sentry-cdn.com
js.sentry-cdn.com — Cisco Umbrella Rank: 4602
browser.sentry-cdn.com — Cisco Umbrella Rank: 3744
22 KB
2 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 54
130 KB
94 8
Domain Requested by
30 static2.ck12.org www.ck12.org
static3.ck12.org
static2.ck12.org
12 dr282zn36sxxg.cloudfront.net www.ck12.org
12 static.ck12.org www.ck12.org
static3.ck12.org
static2.ck12.org
8 www.ck12.org 1 redirects www.ck12.org
static3.ck12.org
static2.ck12.org
static.ck12.org
6 static3.ck12.org www.ck12.org
4 translate.googleapis.com translate.googleapis.com
4 www.google-analytics.com www.googletagmanager.com
www.google-analytics.com
browser.sentry-cdn.com
4 maps.googleapis.com www.ck12.org
maps.googleapis.com
2 www.gstatic.com translate.googleapis.com
www.ck12.org
2 www.googletagmanager.com www.ck12.org
www.googletagmanager.com
2 static1.ck12.org www.ck12.org
2 image1.ck12.org www.ck12.org
2 ck12.org 2 redirects
1 translate-pa.googleapis.com srcdoc
1 www.google.com www.ck12.org
1 browser.sentry-cdn.com js.sentry-cdn.com
1 js.sentry-cdn.com www.googletagmanager.com
1 translate.google.com static3.ck12.org
1 accounts.google.com www.ck12.org
1 fonts.googleapis.com www.ck12.org
94 20
Subject Issuer Validity Valid
*.ck12.org
Go Daddy Secure Certificate Authority - G2		 2022-01-08 -
2023-01-31		 a year crt.sh
upload.video.google.com
GTS CA 1C3		 2022-02-17 -
2022-05-12		 3 months crt.sh
accounts.google.com
GTS CA 1C3		 2022-02-17 -
2022-05-12		 3 months crt.sh
*.google-analytics.com
GTS CA 1C3		 2022-02-28 -
2022-05-23		 3 months crt.sh
*.cloudfront.net
Amazon		 2022-02-01 -
2023-01-31		 a year crt.sh
*.google.com
GTS CA 1C3		 2022-02-17 -
2022-05-12		 3 months crt.sh
*.sentry-cdn.com
GlobalSign Atlas R3 DV TLS CA H2 2021		 2021-11-26 -
2022-12-28		 a year crt.sh
*.gstatic.com
GTS CA 1C3		 2022-02-17 -
2022-05-12		 3 months crt.sh
www.google.com
GTS CA 1C3		 2022-02-17 -
2022-05-12		 3 months crt.sh

This page contains 3 frames:

Primary Page: https://www.ck12.org/student/
Frame ID: 59C9D60F66E3FA8C6E84CAC5383EB957
Requests: 98 HTTP requests in this frame

Frame: https://translate.googleapis.com/translate_static/css/translateelement.css
Frame ID: 147A53EAA8B66EA328E140A749977226
Requests: 1 HTTP requests in this frame

Frame: https://translate-pa.googleapis.com/v1/supportedLanguages?client=te&display_language=de&key=AIzaSyBWDj0QJvVIx8XOhRegXX5_SrRWxhT5Hs4&callback=callback
Frame ID: EC63E8EF204F04E4FF6F2DBD3D60DB50
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

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

Detected technologies

Overall confidence: 100%
Detected patterns
  • <script[^>]*src="[^"]*browser\.sentry\-cdn\.com/([0-9.]+)/bundle(?:\.tracing)?(?:\.min)?\.js
  • browser\.sentry\-cdn\.com/([0-9.]+)/bundle(?:\.tracing)?(?:\.min)?\.js
Overall confidence: 100%
Detected patterns
  • //maps\.google(?:apis)?\.com/maps/api/js
Overall confidence: 100%
Detected patterns
  • accounts\.google\.com/gsi/client
Overall confidence: 100%
Detected patterns
  • <[^>]+data-react
Overall confidence: 100%
Detected patterns
  • google-analytics\.com/(?:ga|urchin|analytics)\.js
Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]+fonts\.(?:googleapis|google)\.com
Overall confidence: 100%
Detected patterns
  • googletagmanager\.com/gtm\.js
  • googletagmanager\.com/gtag/js

Page Statistics

94
Requests

100 %
HTTPS

100 %
IPv6

8
Domains

20
Subdomains

17
IPs

3
Countries

1976 kB
Transfer

4986 kB
Size

8
Cookies

Page URL History

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

  1. http://ck12.org/ HTTP 301
    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:

94 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
www.ck12.org/student/
Redirect Chain
  • http://ck12.org/
  • https://ck12.org/
  • https://www.ck12.org/
  • https://www.ck12.org/student/
26 KB
9 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://www.ck12.org/student/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:2240:2600:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Apache/2.4.29 (Ubuntu) /
Resource Hash
5d62792db71b5289e809e38d66d5f8c5a0b63a14505d9897c939a75612466279
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://*.ck12.org https://classroom.google.com https://*.schoology.com https://*.schoology.net https://*.instructure.com https://*.instructure.org https://*.instructure.edu https://*.canvas.com https://*.canvas.org https://*.safarimontage.com https://*.kiddom.co https://*.itslearning.com https://*.summitlearning.org https://*.lausd.net https://*.episd.org; report-uri https://csp-report.ck12.org; report-to ck12-csp-endpoint;

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.51 Safari/537.36
Accept-Language
de-DE,de;q=0.9

Response headers

content-type
text/html; charset=utf-8
content-length
7926
access-control-allow-headers
Content-Type, *
access-control-allow-methods
GET, POST, PUT, DELETE, OPTIONS
content-encoding
gzip
date
Tue, 15 Mar 2022 18:08:52 GMT
referrer-policy
strict-origin-when-cross-origin
server
Apache/2.4.29 (Ubuntu)
vary
Accept-Encoding
via
1.1 6fd3ab2be93b19c970fb371964d46d94.cloudfront.net (CloudFront)
age
993
reporting-endpoints
ck12-csp-endpoint="https://csp-report.ck12.org"
content-security-policy
frame-ancestors 'self' https://*.ck12.org https://classroom.google.com https://*.schoology.com https://*.schoology.net https://*.instructure.com https://*.instructure.org https://*.instructure.edu https://*.canvas.com https://*.canvas.org https://*.safarimontage.com https://*.kiddom.co https://*.itslearning.com https://*.summitlearning.org https://*.lausd.net https://*.episd.org; report-uri https://csp-report.ck12.org; report-to ck12-csp-endpoint;
report-to
{ "group": "ck12-csp-endpoint","max_age": 86400,"endpoints": [{ "url": " https://csp-report.ck12.org" }] }
x-cache
Hit from cloudfront
x-amz-cf-pop
FRA60-P1
x-amz-cf-id
EvXuj5lvGamiL2e5byULrblp1m5R0kE2sb97HsZpzbisUwWYhEHA5Q==

Redirect headers

content-type
text/plain; charset=UTF-8
content-length
109
location
https://www.ck12.org/student/
access-control-allow-headers
Content-Type, *
access-control-allow-methods
GET, POST, PUT, DELETE, OPTIONS
date
Tue, 15 Mar 2022 17:38:52 GMT
referrer-policy
strict-origin-when-cross-origin
server
Apache/2.4.29 (Ubuntu)
via
1.1 6fd3ab2be93b19c970fb371964d46d94.cloudfront.net (CloudFront)
age
2793
reporting-endpoints
ck12-csp-endpoint="https://csp-report.ck12.org"
content-security-policy
frame-ancestors 'self' https://*.ck12.org https://classroom.google.com https://*.schoology.com https://*.schoology.net https://*.instructure.com https://*.instructure.org https://*.instructure.edu https://*.canvas.com https://*.canvas.org https://*.safarimontage.com https://*.kiddom.co https://*.itslearning.com https://*.summitlearning.org https://*.lausd.net https://*.episd.org; report-uri https://csp-report.ck12.org; report-to ck12-csp-endpoint;
report-to
{ "group": "ck12-csp-endpoint","max_age": 86400,"endpoints": [{ "url": " https://csp-report.ck12.org" }] }
x-cache
Hit from cloudfront
x-amz-cf-pop
FRA60-P1
x-amz-cf-id
qMCdXH5yT-oUtMpfK36a7qScAop9sU9azh2iBXy-_Si4OivVPbD04A==
jquery-ui-1.10.2.custom.min.css
static2.ck12.org/media/build-20220311052537/common/vendor/jquery-ui/css/ui-lightness/ 		26 KB
6 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://static2.ck12.org/media/build-20220311052537/common/vendor/jquery-ui/css/ui-lightness/jquery-ui-1.10.2.custom.min.css
Requested by
Host: www.ck12.org
URL: https://www.ck12.org/student/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:236e:8000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
4bf23ef5698993b4a449f2b27fc1f5375cfb4d5830f39d23aab66a83578c77e4

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/99.0.4844.51 Safari/537.36

Response headers

date
Mon, 14 Mar 2022 03:23:35 GMT
content-encoding
gzip
last-modified
Mon, 14 Mar 2022 03:19:17 GMT
server
AmazonS3
age
140511
etag
W/"3d906261e7b03df1f2ce0b67ab1edaef"
vary
Accept-Encoding
x-cache
Hit from cloudfront
content-type
text/css
via
1.1 ec1ac21acdbd36c971eca9d6b61d0744.cloudfront.net (CloudFront)
cache-control
max-age=31536000
x-amz-cf-pop
FRA60-P1
x-amz-cf-id
xcgfMZvjPdE1SAfNVx1L5ORzIMhdOgBdZV3VT2DcPNbjLIY5-v2ORQ==
master.css
static2.ck12.org/media/build-20220311052537/common/css/ 		254 KB
43 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://static2.ck12.org/media/build-20220311052537/common/css/master.css
Requested by
Host: www.ck12.org
URL: https://www.ck12.org/student/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:236e:8000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
c5152b048d0a4d0e0f8033ff4331fb87a3b8f5289b0b0fd888a6f3074febe61d

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/99.0.4844.51 Safari/537.36

Response headers

date
Mon, 14 Mar 2022 03:23:35 GMT
content-encoding
gzip
last-modified
Mon, 14 Mar 2022 03:19:10 GMT
server
AmazonS3
age
140511
etag
W/"a75f5541b53b926338dcad6f727c9072"
vary
Accept-Encoding
x-cache
Hit from cloudfront
content-type
text/css
via
1.1 ec1ac21acdbd36c971eca9d6b61d0744.cloudfront.net (CloudFront)
cache-control
max-age=31536000
x-amz-cf-pop
FRA60-P1
x-amz-cf-id
i37Wo8SBaE0KHJ5YIGG9aTdg9zx4tFRFGQ6uGzsimCTUbhMpx4HcUw==
tangerine-ui.css
static2.ck12.org/media/build-20220311052537/common/css/ 		11 KB
3 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://static2.ck12.org/media/build-20220311052537/common/css/tangerine-ui.css
Requested by
Host: www.ck12.org
URL: https://www.ck12.org/student/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:236e:8000:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
1f02df316684b87470f2ef31709d465c7e88710ca4a4afc3538ae66272fd148e

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/99.0.4844.51 Safari/537.36

Response headers

date
Mon, 14 Mar 2022 04:27:44 GMT
content-encoding
gzip
last-modified
Mon, 14 Mar 2022 03:19:10 GMT
server
AmazonS3
age
136661
etag
W/"fb2505ccad234e5e44a7fc8c695972ab"
vary
Accept-Encoding
x-cache
Hit from cloudfront
content-type
text/css
via
1.1 ec1ac21acdbd36c971eca9d6b61d0744.cloudfront.net (CloudFront)
cache-control
max-age=31536000
x-amz-cf-pop
FRA60-P1
x-amz-cf-id
8_1QuwwZBuB_r39IH3BfPTmM_xnUHm9X3WuxBOqEBp3YnhfosW0UZg==
css
fonts.googleapis.com/ 		2 KB
1007 B 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://fonts.googleapis.com/css?family=Pacifico
Requested by
Host: www.ck12.org
URL: https://www.ck12.org/student/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:830::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
125b9f0b057bb47c1bd4ddd36decc006dd016ef0d024f25e6426f11baeaace60
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

Accept-Language
de-DE,de;q=0.9
Referer
https://www.ck12.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.51 Safari/537.36

Response headers

strict-transport-security
max-age=31536000
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,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
x-xss-protection
0
last-modified
Tue, 15 Mar 2022 17:37:45 GMT
server
ESF
cross-origin-opener-policy
same-origin-allow-popups
date
Tue, 15 Mar 2022 18:25:25 GMT
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
Tue, 15 Mar 2022 18:25:25 GMT
content.css
static3.ck12.org/media/build-20220311052537/duplicateUsernames/css/ 		4 KB
1 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://static3.ck12.org/media/build-20220311052537/duplicateUsernames/css/content.css
Requested by
Host: www.ck12.org
URL: https://www.ck12.org/student/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:2240:ea00:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
842937cc4285a0a6bdf9796863ed9c453f308c96ba3012ecfcd51d22b3353889

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/99.0.4844.51 Safari/537.36

Response headers

date
Mon, 14 Mar 2022 03:23:35 GMT
content-encoding
gzip
last-modified
Mon, 14 Mar 2022 03:19:26 GMT
server
AmazonS3
age
140511
etag
W/"36275ec98a9a5f38ea16c473b9cb6f9f"
vary
Accept-Encoding
x-cache
Hit from cloudfront
content-type
text/css
via
1.1 fd38301adb0ceb6cf6c42567f371a2f4.cloudfront.net (CloudFront)
cache-control
max-age=31536000
x-amz-cf-pop
FRA60-P1
x-amz-cf-id
AM9CM11KVByhSFE5kaZB6y3Lid8oeiC4qw4GB7v5bLEGNCdXr16Dog==
buildnumber.js
www.ck12.org/media/ 		547 B
862 B 		Script
General
Check archive.org
Download Go to
Full URL
https://www.ck12.org/media/buildnumber.js
Requested by
Host: www.ck12.org
URL: https://www.ck12.org/student/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:2240:2600:8:f05f:c540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
af183f9236d2220684d099cd394af10218529a2ec1df14a755e96e091cabab5f

Request headers

Accept-Language
de-DE,de;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/99.0.4844.51 Safari/537.36

Response headers

date
Tue, 15 Mar 2022 18:25:26 GMT
via
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https://static.ck12.org/common/flexi/flexi-icon-config.json
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Download Go to
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20 KB 		Script
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expires
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linkid.js
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884 B 		Script
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URL: https://www.google-analytics.com/analytics.js
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expires
Tue, 15 Mar 2022 19:04:47 GMT
collect
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21 B 		XHR
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https://www.google-analytics.com/j/collect?v=1&_v=j96&a=1536972370&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=aCDAAEAjAAAAAC~&jid=1613969437&gjid=1733383271&cid=480696706.1647368726&tid=UA-5330854-2&_gid=954671688.1647368726&_r=1&gtm=2wg370NFJ3V2&cd1=&cd2=Student%20Home&z=1042987952
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expires
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translate_24dp.png
www.gstatic.com/images/branding/product/2x/ 		2 KB
2 KB 		Image
General
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https://www.gstatic.com/images/branding/product/2x/translate_24dp.png
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URL: https://translate.googleapis.com/translate_static/css/translateelement.css
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translateelement.css
translate.googleapis.com/translate_static/css/ Frame 147A 		18 KB
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General
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https://translate.googleapis.com/translate_static/css/translateelement.css
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translate_24dp.png
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1 KB 		Image
General
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Full URL
https://www.gstatic.com/images/branding/product/1x/translate_24dp.png
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bytes
cross-origin-opener-policy-report-only
same-origin; report-to="static-on-bigtable"
expires
Wed, 15 Mar 2023 16:23:54 GMT
cleardot.gif
www.google.com/images/ 		43 B
598 B 		Image
General
Check archive.org
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
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:400e:801::2004 , Ireland, 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/99.0.4844.51 Safari/537.36

Response headers

pragma
no-cache
date
Tue, 15 Mar 2022 18:25:26 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,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
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
supportedLanguages
translate-pa.googleapis.com/v1/ Frame EC63 		14 KB
2 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://translate-pa.googleapis.com/v1/supportedLanguages?client=te&display_language=de&key=AIzaSyBWDj0QJvVIx8XOhRegXX5_SrRWxhT5Hs4&callback=callback
Requested by
Host: srcdoc
URL: about:srcdoc
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:813::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
226476a8194032bc968040bcc569a0cea9207958e52412d459c09e3bf9f9ea7d
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

Accept-Language
de-DE,de;q=0.9
Referer
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.51 Safari/537.36

Response headers

date
Tue, 15 Mar 2022 18:25:26 GMT
content-encoding
gzip
x-content-type-options
nosniff
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
server
ESF
x-frame-options
SAMEORIGIN
p3p
CP="This is not a P3P policy! See g.co/p3phelp for more info."
cache-control
private
content-type
text/javascript; charset=UTF-8
vary
Origin, X-Origin, Referer
content-length
1213
x-xss-protection
0
expires
Tue, 15 Mar 2022 18:25:26 GMT
te_ctrl3.gif
translate.googleapis.com/translate_static/img/ 		1 KB
1 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://translate.googleapis.com/translate_static/img/te_ctrl3.gif
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2a00:1450:4001:828::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
d228d0256370863119c043f1e5ca8f3930f6999bd9f250434b6d8935f45dc171
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/99.0.4844.51 Safari/537.36

Response headers

date
Mon, 14 Mar 2022 18:00:00 GMT
x-content-type-options
nosniff
last-modified
Thu, 03 Oct 2019 10:15:00 GMT
server
sffe
age
87926
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
public, max-age=31536000
cross-origin-resource-policy
cross-origin
accept-ranges
bytes
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
1412
x-xss-protection
0
cross-origin-opener-policy-report-only
same-origin; report-to="static-on-bigtable"
expires
Tue, 14 Mar 2023 18:00:00 GMT
common.js
maps.googleapis.com/maps-api-v3/api/js/48/4/intl/de_ALL/ 		79 KB
29 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://maps.googleapis.com/maps-api-v3/api/js/48/4/intl/de_ALL/common.js
Requested by
Host: maps.googleapis.com
URL: https://maps.googleapis.com/maps/api/js?libraries=places&key=AIzaSyDVTA7d25Puy-_W52IfMDdflx93pWYDJB8
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2a00:1450:4001:808::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
b2c233725647e7a1b4d9a752ea2f4b7356dcc1330bf359d09a396febae3c58ec
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/99.0.4844.51 Safari/537.36

Response headers

date
Mon, 14 Mar 2022 22:32:38 GMT
content-encoding
gzip
x-content-type-options
nosniff
age
71573
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/maps-api-js
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
29321
x-xss-protection
0
last-modified
Mon, 07 Mar 2022 21:07:12 GMT
server
sffe
cross-origin-opener-policy
same-origin; report-to="maps-api-js"
vary
Accept-Encoding, Origin
report-to
{"group":"maps-api-js","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/maps-api-js"}]}
content-type
text/javascript
cache-control
public, max-age=31536000
accept-ranges
bytes
expires
Tue, 14 Mar 2023 22:32:38 GMT
util.js
maps.googleapis.com/maps-api-v3/api/js/48/4/intl/de_ALL/ 		295 KB
90 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://maps.googleapis.com/maps-api-v3/api/js/48/4/intl/de_ALL/util.js
Requested by
Host: maps.googleapis.com
URL: https://maps.googleapis.com/maps/api/js?libraries=places&key=AIzaSyDVTA7d25Puy-_W52IfMDdflx93pWYDJB8
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2a00:1450:4001:808::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
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/99.0.4844.51 Safari/537.36

Response headers

date
Mon, 14 Mar 2022 19:50:39 GMT
content-encoding
gzip
x-content-type-options
nosniff
age
81292
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/maps-api-js
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
92373
x-xss-protection
0
last-modified
Mon, 07 Mar 2022 21:07:12 GMT
server
sffe
cross-origin-opener-policy
same-origin; report-to="maps-api-js"
vary
Accept-Encoding, Origin
report-to
{"group":"maps-api-js","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/maps-api-js"}]}
content-type
text/javascript
cache-control
public, max-age=31536000
accept-ranges
bytes
expires
Tue, 14 Mar 2023 19:50:39 GMT

Verdicts & Comments Add Verdict or Comment

155 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.

object| 0 function| structuredClone object| oncontextlost object| oncontextrestored function| outdatedBrowser object| defaultOpts string| bkgColor string| txtColor string| cssProp string| languagePath object| _context object| lmsBrowseFrame function| closeLTIHelpBanner function| loadingCheck function| removeLoadingIcon object| _gaq string| pageType string| pageSubType string| gtm_pageType string| gtm_pageSubType object| dataLayer string| resourceBaseUrl string| wpPublicPath string| courseBookUrl object| buildInMedia function| setImmediate function| clearImmediate function| P object| __core-js_shared__ object| CK12Header object| webpackChunk_ck12_fury object| google object| module$exports$mapsapi$util$event object| module$contents$mapsapi$overlay$overlayView_OverlayView function| onYouTubeIframeAPIReady function| dexterjs function| isWebView function| getCookie function| getRandomString object| google_one_tap_login string| flxweb_role object| flxweb_roles boolean| isEditAllowed string| webroot_url string| editprofile_url string| adaptive_practice_launch_date undefined| mixins function| startPageTimer function| adsLogPageTime function| adsOnload function| adsOnBeforeUnload function| createCookieActiveUser function| addEvent object| existingOnBeforeUnloadHandler function| handleExistingBeforeUnload boolean| cookieEnabled undefined| cookieName function| cookieBar boolean| ck12_signed_in function| _ck12 object| i18n_widget function| googleTranslateElementInit object| google_tag_manager function| postscribe object| google_tag_manager_external object| default_gsi function| licenseDialog object| closure_lm_511937 object| dexter function| $ function| jQuery object| jQuery1910529999973493724 boolean| toggleForOldAPI function| handleRecaptcha function| loadSharePlane function| SmartCache object| smartcacheFetchedHash object| html5 object| Modernizr function| yepnope object| Foundation object| smartcache_instance string| adsFiredFor object| google_tag_data string| GoogleAnalyticsObject function| ga object| Sentry function| DP_jQuery_1647368726345 object| __SENTRY__ function| _DumpException object| default_tr string| MSG_TRANSLATE string| MSG_CANCEL string| MSG_CLOSE function| MSGFUNC_PAGE_TRANSLATED_TO function| MSGFUNC_TRANSLATED_TO string| MSG_GENERAL_ERROR string| MSG_LEARN_MORE function| MSGFUNC_POWERED_BY string| MSG_TRANSLATE_PRODUCT_NAME string| MSG_TRANSLATION_IN_PROGRESS function| MSGFUNC_TRANSLATE_PAGE_TO function| MSGFUNC_VIEW_PAGE_IN string| MSG_RESTORE string| MSG_SSL_INFO_LOCAL_FILE string| MSG_SSL_INFO_SECURE_PAGE string| MSG_SSL_INFO_INTRANET_PAGE string| MSG_SELECT_LANGUAGE function| MSGFUNC_TURN_OFF_TRANSLATION function| MSGFUNC_TURN_OFF_FOR string| MSG_ALWAYS_HIDE_AUTO_POPUP_BANNER string| MSG_ORIGINAL_TEXT string| MSG_FILL_SUGGESTION string| MSG_SUBMIT_SUGGESTION string| MSG_SHOW_TRANSLATE_ALL string| MSG_SHOW_RESTORE_ALL string| MSG_SHOW_CANCEL_ALL string| MSG_TRANSLATE_TO_MY_LANGUAGE function| MSGFUNC_TRANSLATE_EVERYTHING_TO string| MSG_SHOW_ORIGINAL_LANGUAGES string| MSG_OPTIONS string| MSG_TURN_OFF_TRANSLATION_FOR_THIS_SITE string| MSG_ALT_SUGGESTION string| MSG_ALT_ACTIVITY_HELPER_TEXT string| MSG_USE_ALTERNATIVES string| MSG_DRAG_TIP string| MSG_CLICK_FOR_ALT string| MSG_DRAG_INSTUCTIONS string| MSG_SUGGESTION_SUBMITTED string| MSG_MANAGE_TRANSLATION_FOR_THIS_SITE string| MSG_ALT_AND_CONTRIBUTE_ACTIVITY_HELPER_TEXT string| MSG_ORIGINAL_TEXT_NO_COLON string| MSG_LANGUAGE_UNSUPPORTED string| MSG_LANGUAGE_TRANSLATE_WIDGET function| _exportVersion function| _getCallbackFunction function| _exportMessages function| _loadJs function| _loadCss function| _isNS function| _setupNS object| gaGlobal object| gaplugins object| gaData object| closure_lm_754986 number| adsPageStartTime object| head object| style number| minWindowSize boolean| zendeskLoaded object| supportButton string| page_context object| container function| remZDLink function| loadZendeskScript

8 Cookies

Domain/Path Name / Value
.ck12.org/ Name: flxweb_role
Value: student
www.ck12.org/ Name: X-Ck12-Cdn-Version
Value: 202203132343
.ck12.org/ Name: dexterjsSessionID
Value: 7wpijNz89ixpWcfyRB7jXNpDD
.ck12.org/ Name: dexterjsVisitorID
Value: dA8S732tRIVD26AWk6hWnQpIH
.ck12.org/ Name: _ga_7PBE4L0PZZ
Value: GS1.1.1647368726.1.0.1647368726.0
.ck12.org/ Name: _ga
Value: GA1.2.480696706.1647368726
.ck12.org/ Name: _gid
Value: GA1.2.954671688.1647368726
.ck12.org/ 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 https://classroom.google.com https://*.schoology.com https://*.schoology.net https://*.instructure.com https://*.instructure.org https://*.instructure.edu https://*.canvas.com https://*.canvas.org https://*.safarimontage.com https://*.kiddom.co https://*.itslearning.com https://*.summitlearning.org https://*.lausd.net https://*.episd.org; report-uri https://csp-report.ck12.org; report-to ck12-csp-endpoint;

Indicators

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

accounts.google.com
browser.sentry-cdn.com
ck12.org
dr282zn36sxxg.cloudfront.net
fonts.googleapis.com
image1.ck12.org
js.sentry-cdn.com
maps.googleapis.com
static.ck12.org
static1.ck12.org
static2.ck12.org
static3.ck12.org
translate-pa.googleapis.com
translate.google.com
translate.googleapis.com
www.ck12.org
www.google-analytics.com
www.google.com
www.googletagmanager.com
www.gstatic.com
2600:9000:223c:a000:1f:8b19:b780:93a1
2600:9000:2240:2600:8:f05f:c540:93a1
2600:9000:2240:3400:8:f05f:c540:93a1
2600:9000:2240:ea00:8:f05f:c540:93a1
2600:9000:236e:8000:8:f05f:c540:93a1
2600:9000:2490:1a00:f:a35f:3100:93a1
2a00:1450:4001:803::200d
2a00:1450:4001:808::200a
2a00:1450:4001:813::200a
2a00:1450:4001:828::200a
2a00:1450:4001:829::2003
2a00:1450:4001:82a::200e
2a00:1450:4001:82b::200e
2a00:1450:4001:830::200a
2a00:1450:4001:831::2008
2a00:1450:400e:801::2004
2a04:4e42:400::729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