www.khanacademy.org Open in urlscan Pro
151.101.13.42 Public Scan

Go To Rescan
Add Verdict Report

URL:
https://www.khanacademy.org/partner-content/wi-phi/wiphi-critical-thinking
Submission: On February 27 via manual (February 27th 2020, 12:54:04 pm UTC) from BR

Summary HTTP 141 Redirects Links 11 Behaviour Indicators

Summary

This website contacted 9 IPs in 3 countries across 8 domains to perform 141 HTTP transactions. The main IP is 151.101.13.42, located in Frankfurt am Main, Germany and belongs to FASTLY, US. The main domain is www.khanacademy.org.
TLS certificate: Issued by GlobalSign CloudSSL CA - SHA256 - G3 on November 19th 2019. Valid for: a year.

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

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
11	151.101.13.42 151.101.13.42	54113 (FASTLY) (FASTLY)
119	151.101.113.42 151.101.113.42	54113 (FASTLY) (FASTLY)
4	2a00:1450:400... 2a00:1450:4001:821::200e	15169 (GOOGLE) (GOOGLE)
1	2a00:1450:400... 2a00:1450:4001:821::2008	15169 (GOOGLE) (GOOGLE)
1	13.225.73.2 13.225.73.2	16509 (AMAZON-02) (AMAZON-02)
1 2	54.93.151.158 54.93.151.158	16509 (AMAZON-02) (AMAZON-02)
2 2	185.33.223.203 185.33.223.203	29990 (ASN-APPNEX) (ASN-APPNEX)
1	52.216.164.213 52.216.164.213	16509 (AMAZON-02) (AMAZON-02)
2	2a02:6ea0:c71... 2a02:6ea0:c710::2	60068 (CDN77) (CDN77)
1	52.207.168.50 52.207.168.50	14618 (AMAZON-AES) (AMAZON-AES)
141	9

11 151.101.13.42 (Frankfurt am Main, Germany)

ASN54113 (FASTLY, US)

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

119 151.101.113.42 (Frankfurt am Main, Germany)

ASN54113 (FASTLY, US)

cdn.kastatic.org	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

4 2a00:1450:4001:821::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

1 2a00:1450:4001:821::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

1 13.225.73.2 (Seattle, United States)

ASN16509 (AMAZON-02, US)
PTR: server-13-225-73-2.fra2.r.cloudfront.net

px.airpr.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 54.93.151.158 (Frankfurt am Main, Germany) 1 redirects

ASN16509 (AMAZON-02, US)
PTR: ec2-54-93-151-158.eu-central-1.compute.amazonaws.com

dpx.airpr.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 185.33.223.203 (Netherlands) 2 redirects

ASN29990 (ASN-APPNEX, US)
PTR: 317.bm-nginx-loadbalancer.mgmt.ams1.adnexus.net

secure.adnxs.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 52.216.164.213 (Ashburn, United States)

ASN16509 (AMAZON-02, US)
PTR: s3-1.amazonaws.com

s3.amazonaws.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2a02:6ea0:c710::2 (Germany)

ASN60068 (CDN77, GB)

cl.qualaroo.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools
dntcl.qualaroo.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 52.207.168.50 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-52-207-168-50.compute-1.amazonaws.com

geo.qualaroo.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
119	kastatic.org cdn.kastatic.org	1 MB
11	khanacademy.org www.khanacademy.org	25 KB
4	google-analytics.com www.google-analytics.com	18 KB
3	qualaroo.com cl.qualaroo.com geo.qualaroo.com dntcl.qualaroo.com	74 KB
3	airpr.com 1 redirects px.airpr.com dpx.airpr.com	3 KB
2	adnxs.com 2 redirects secure.adnxs.com	2 KB
1	amazonaws.com s3.amazonaws.com	733 B
1	googletagmanager.com www.googletagmanager.com	26 KB
141	8

	Domain	Requested by
119	cdn.kastatic.org	www.khanacademy.org cdn.kastatic.org
11	www.khanacademy.org	cdn.kastatic.org
4	www.google-analytics.com	www.khanacademy.org www.google-analytics.com
2	secure.adnxs.com	2 redirects
2	dpx.airpr.com	1 redirects
1	dntcl.qualaroo.com	cl.qualaroo.com
1	geo.qualaroo.com	cdn.kastatic.org
1	cl.qualaroo.com	s3.amazonaws.com
1	s3.amazonaws.com	www.khanacademy.org
1	px.airpr.com	www.khanacademy.org
1	www.googletagmanager.com	www.khanacademy.org
141	11

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

Domain
khanacademyannualreport.org
khanacademy.zendesk.com
itunes.apple.com
play.google.com
es.khanacademy.org
pt.khanacademy.org
www.facebook.com
twitter.com
instagram.com

Subject Issuer	Validity	Valid
khan.map.fastly.net GlobalSign CloudSSL CA - SHA256 - G3	`2019-11-19` - `2020-11-19`	a year	crt.sh
*.google-analytics.com GTS CA 1O1	`2020-02-12` - `2020-05-06`	3 months	crt.sh
*.airpr.com Amazon	`2020-02-10` - `2021-03-10`	a year	crt.sh
s3.amazonaws.com DigiCert Baltimore CA-2 G2	`2019-11-09` - `2020-12-02`	a year	crt.sh
cl.qualaroo.com Let's Encrypt Authority X3	`2020-02-18` - `2020-05-18`	3 months	crt.sh
*.qualaroo.com Amazon	`2020-01-16` - `2021-02-16`	a year	crt.sh
dntcl.qualaroo.com Let's Encrypt Authority X3	`2020-01-29` - `2020-04-28`	3 months	crt.sh

This page contains 2 frames:

Primary Page: https://www.khanacademy.org/partner-content/wi-phi/wiphi-critical-thinking
Frame ID: 3986E91AE0C20F7226483C80319B03CA
Requests: 140 HTTP requests in this frame

Frame: https://dntcl.qualaroo.com/frame.html
Frame ID: BD8632DBCAD27712070B4BE2618F9AA3
Requests: 1 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Detected technologies

Varnish (Cache Tools) Expand

Overall confidence: 100%
Detected patterns

headers via /varnish(?: $Varnish\/([\d.]+)$)?/i

Google App Engine (Web Servers) Expand

Overall confidence: 100%
Detected patterns

headers server /Google Frontend/i

Google Analytics (Analytics) Expand

Overall confidence: 100%
Detected patterns

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

Page Statistics

141
Requests

100 %
HTTPS

30 %
IPv6

8
Domains

11
Subdomains

9
IPs

3
Countries

1617 kB
Transfer

5531 kB
Size

9
Cookies

11 Outgoing links

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

URL: https://khanacademyannualreport.org/financial-information/
Title: Our finances

Search URL Search Domain Scan URL

URL: https://khanacademy.zendesk.com/
Title: Help center

Search URL Search Domain Scan URL

URL: https://khanacademy.zendesk.com/hc/en-us/community/topics
Title: Support community

Search URL Search Domain Scan URL

URL: https://khanacademy.zendesk.com/hc/en-us/articles/202483630
Title: Press

Search URL Search Domain Scan URL

URL: https://itunes.apple.com/app/apple-store/id469863705?pt=698519&ct=website%20footer&mt=8
Title: iOS app

Search URL Search Domain Scan URL

URL: https://play.google.com/store/apps/details?id=org.khanacademy.android&referrer=utm_source%3Dwebsite%2520footer%26utm_medium%3Dwebsite%2520footer%26utm_campaign%3Dwebsite%2520footer
Title: Android app

Search URL Search Domain Scan URL

URL: https://es.khanacademy.org/
Title: Mexico

Search URL Search Domain Scan URL

URL: https://pt.khanacademy.org/
Title: Brazil

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

URL: https://twitter.com/khanacademy

Search URL Search Domain Scan URL

URL: https://instagram.com/khanacademy

Search URL Search Domain Scan URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 7

https://dpx.airpr.com/px?hostname=www.khanacademy.org&profile=827645&ga_account_id=UA-6742635-1&ga_account_type=UA&ga_c=1262104033.1582808027&an=true HTTP 302
https://secure.adnxs.com/getuid?https://dpx.airpr.com/anpx?adnxs_uid=$UID&airpr_id=2409111238 HTTP 302
https://secure.adnxs.com/bounce?%2Fgetuid%3Fhttps%3A%2F%2Fdpx.airpr.com%2Fanpx%3Fadnxs_uid%3D%24UID%26airpr_id%3D2409111238 HTTP 302
https://dpx.airpr.com/anpx?adnxs_uid=2165333367880150120&airpr_id=2409111238

141 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 wiphi-critical-thinking Show response
www.khanacademy.org/partner-content/wi-phi/ 24 KB
8 KB 318ms
255ms Document
text/html 151.101.13.42
FASTLY

General

Check archive.org

Show headers Download Go to

Full URL

https://www.khanacademy.org/partner-content/wi-phi/wiphi-critical-thinking

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

151.101.13.42 Frankfurt am Main, Germany, ASN54113 (FASTLY, US),

Reverse DNS

Software

Google Frontend /

Resource Hash

cc7d53ea1b461f33422dbbc7300530f1cbee44257f1dc839fa66c74f4c061e34

Security Headers

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

Request headers

:method: GET
:authority: www.khanacademy.org
:scheme: https
:path: /partner-content/wi-phi/wiphi-critical-thinking
pragma: no-cache
cache-control: no-cache
upgrade-insecure-requests: 1
user-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
sec-fetch-dest: document
accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
sec-fetch-site: none
sec-fetch-mode: navigate
sec-fetch-user: ?1
accept-encoding: gzip, deflate, br
accept-language: en-US
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest: document

Response headers

status: 200
content-type: text/html; charset=utf-8
cache-control: no-cache
set-cookie: fkey=1.0_ly-g_6hEJQY68g==_1582808026; Path=/ gae_b_id=!$d5H0Ko2De3nyt2WntWPf6sEHZP20utIX1xFRYwvnwik.%q6d2hm%1$a2FpZF85NzAzODcxMTM1NTQ4ODg3Mjc1MjIxMjM; expires=Fri, 26 Feb 2021 12:53:46 GMT; httponly; Max-Age=31536000; Path=/; secure ka_session=YS_TXWPEI9yiUpp8tDg4WvoLfpGhCDvv0OPENKI5:1582808026:1582808026:1:; expires=Fri, 26 Feb 2021 12:53:46 GMT; Max-Age=31536000; Path=/ KAVID=3968f7b4-4ac2-4747-b67c-cea521fd7861; expires=Sat, 26 Feb 2022 12:53:46 GMT; path=/;
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
content-encoding: gzip
x-cloud-trace-context: f43fa947dc222ea3d65750585da1a20e
server: Google Frontend
expires: Thu, 27 Feb 2020 12:53:46 GMT
accept-ranges: bytes bytes bytes bytes
age: 0 0 0 0
via: 1.1 varnish 1.1 varnish
date: Thu, 27 Feb 2020 12:53:47 GMT
x-served-by: cache-mdw17326-MDW, cache-fra19126-FRA
x-cache: MISS, MISS
x-cache-hits: 0, 0
x-timer: S1582808027.810137,VS0,VE233
vary: Accept-Encoding

GET
H2 200 shared-minimal.d1b371718d115c7a0be0.css
cdn.kastatic.org/genwebpack/prod/en/javascript/app-shell-package/app-entry~./stylesheets/shared-minimal-package/ 141 KB
13 KB 120ms
26ms Stylesheet
text/css 151.101.113.42
FASTLY

General

Check archive.org

Show headers Download Go to

Full URL: https://cdn.kastatic.org/genwebpack/prod/en/javascript/app-shell-package/app-entry~./stylesheets/shared-minimal-package/shared-minimal.d1b371718d115c7a0be0.css
Requested by: Host: www.khanacademy.org
URL: https://www.khanacademy.org/partner-content/wi-phi/wiphi-critical-thinking
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 151.101.113.42 Frankfurt am Main, Germany, ASN54113 (FASTLY, US),
Reverse DNS
Software: UploadServer /
Resource Hash: 2a78ad063e04890176b219ba0942bfe7d1b09def3e54f3c2038879462f91f690

Request headers

Referer: https://www.khanacademy.org/partner-content/wi-phi/wiphi-critical-thinking
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest: style

Response headers

date: Thu, 27 Feb 2020 12:53:47 GMT
content-encoding: gzip
x-cache-hits: 1, 505
age: 0
status: 200
x-guploader-uploadid: AEnB2Uped6p3BzsMd5ztxXjOGVazEasiWa2Rs4th2nIi7tcqp5kB3vrxzkqZwkao74743HfPFYuy3mkB4NU6qlARTMSTc5O2cg
x-cache: HIT, HIT
x-goog-storage-class: STANDARD
x-goog-metageneration: 1
x-goog-stored-content-encoding: gzip
content-length: 12789
via: 1.1 varnish, 1.1 varnish
x-served-by: cache-mdw17341-MDW, cache-hhn4077-HHN
last-modified: Tue, 18 Feb 2020 17:36:11 GMT
server: UploadServer
x-timer: S1582808027.162924,VS0,VE0
etag: "18e4b93e988bd80da4e45e4e9bbe70f2"
vary: Accept-Encoding
x-goog-hash: crc32c=KhUI1w==, md5=GOS5PpiL2A2k5F5Om75w8g==
x-goog-generation: 1582047371867199
access-control-allow-origin: *
access-control-expose-headers: Content-Type, ETag
cache-control: private, max-age=1800
x-goog-stored-content-length: 12789
accept-ranges: bytes
content-type: text/css
expires: Fri, 19 Feb 2021 09:23:25 GMT

GET
H2 200 analytics.js Show response
www.google-analytics.com/ 44 KB
18 KB 6ms
6ms Script
text/javascript 2a00:1450:4001:821::200e
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

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

Requested by

Host: www.khanacademy.org
URL: https://www.khanacademy.org/partner-content/wi-phi/wiphi-critical-thinking

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:821::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Golfe2 /

Resource Hash

eaf1b128b927ac2868755cb7366d35554255c8af362235afe270f9614f8c806d

Security Headers

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

Request headers

Referer: https://www.khanacademy.org/partner-content/wi-phi/wiphi-critical-thinking
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest: script

Response headers

strict-transport-security: max-age=10886400; includeSubDomains; preload
content-encoding: gzip
x-content-type-options: nosniff
last-modified: Thu, 06 Feb 2020 00:21:02 GMT
server: Golfe2
age: 3696
date: Thu, 27 Feb 2020 11:52:11 GMT
vary: Accept-Encoding
content-type: text/javascript
status: 200
cache-control: public, max-age=7200
alt-svc: quic=":443"; ma=2592000; v="46,43",h3-Q050=":443"; ma=2592000,h3-Q049=":443"; ma=2592000,h3-Q048=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000
content-length: 18174
expires: Thu, 27 Feb 2020 13:52:11 GMT

GET
H2 200 gtm.js Show response
www.googletagmanager.com/ 90 KB
26 KB 16ms
15ms Script
application/javascript 2a00:1450:4001:821::2008
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.googletagmanager.com/gtm.js?id=GTM-WSX5PBP

Requested by

Host: www.khanacademy.org
URL: https://www.khanacademy.org/partner-content/wi-phi/wiphi-critical-thinking

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:821::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Google Tag Manager /

Resource Hash

b7428dccdf1c34ba44a54c8a3e200f30bc169c13fefde7519b894bb3afac5d1b

Security Headers

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

Request headers

Referer: https://www.khanacademy.org/partner-content/wi-phi/wiphi-critical-thinking
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest: script

Response headers

date: Thu, 27 Feb 2020 12:53:47 GMT
content-encoding: br
status: 200
strict-transport-security: max-age=31536000; includeSubDomains
alt-svc: quic=":443"; ma=2592000; v="46,43",h3-Q050=":443"; ma=2592000,h3-Q049=":443"; ma=2592000,h3-Q048=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000
content-length: 26531
x-xss-protection: 0
last-modified: Thu, 27 Feb 2020 12:00:00 GMT
server: Google Tag Manager
vary: Accept-Encoding
content-type: application/javascript; charset=UTF-8
access-control-allow-origin: http://www.googletagmanager.com
cache-control: private, max-age=900
access-control-allow-credentials: true
access-control-allow-headers: Cache-Control
expires: Thu, 27 Feb 2020 12:53:47 GMT

POST
H2 200 collect
www.google-analytics.com/r/ 35 B
133 B 13ms
13ms Other
image/gif 2a00:1450:4001:821::200e
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.google-analytics.com/r/collect

Requested by

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:821::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Golfe2 /

Resource Hash

8337212354871836e6763a41e615916c89bac5b3f1f0adf60ba43c7c806e1015

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

Referer: https://www.khanacademy.org/partner-content/wi-phi/wiphi-critical-thinking
Origin: https://www.khanacademy.org
Sec-Fetch-Dest: empty
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Content-Type: text/plain;charset=UTF-8

Response headers

pragma: no-cache
date: Thu, 27 Feb 2020 12:53:47 GMT
x-content-type-options: nosniff
last-modified: Sun, 17 May 1998 03:00:00 GMT
server: Golfe2
access-control-allow-origin: https://www.khanacademy.org
content-type: image/gif
status: 200
cache-control: no-cache, no-store, must-revalidate
access-control-allow-credentials: true
alt-svc: quic=":443"; ma=2592000; v="46,43",h3-Q050=":443"; ma=2592000,h3-Q049=":443"; ma=2592000,h3-Q048=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000
content-length: 35
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H2 200 collect
www.google-analytics.com/r/ 35 B
111 B 47ms
47ms Image
image/gif 2a00:1450:4001:821::200e
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.google-analytics.com/r/collect?v=1&_v=j81&a=1484872035&t=pageview&_s=1&dl=https%3A%2F%2Fwww.khanacademy.org%2Fpartner-content%2Fwi-phi%2Fwiphi-critical-thinking&ul=en-us&de=UTF-8&dt=Critical%20thinking%20%7C%20Wireless%20Philosophy%20%7C%20Partner%20content%20%7C%20Khan%20Academy&sd=24-bit&sr=1600x1200&vp=1600x1200&je=0&_u=YEDAAAAB~&jid=1524681662&gjid=2046935550&cid=1262104033.1582808027&tid=UA-6742635-12&_gid=572651068.1582808027&_r=1&z=860649488

Requested by

Host: www.khanacademy.org
URL: https://www.khanacademy.org/partner-content/wi-phi/wiphi-critical-thinking

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:821::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Golfe2 /

Resource Hash

8337212354871836e6763a41e615916c89bac5b3f1f0adf60ba43c7c806e1015

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

Referer: https://www.khanacademy.org/partner-content/wi-phi/wiphi-critical-thinking
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest: image

Response headers

pragma: no-cache
date: Thu, 27 Feb 2020 12:53:47 GMT
x-content-type-options: nosniff
last-modified: Sun, 17 May 1998 03:00:00 GMT
server: Golfe2
access-control-allow-origin: *
content-type: image/gif
status: 200
cache-control: no-cache, no-store, must-revalidate
alt-svc: quic=":443"; ma=2592000; v="46,43",h3-Q050=":443"; ma=2592000,h3-Q049=":443"; ma=2592000,h3-Q048=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000
content-length: 35
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H2 200 airpr.js Show response
px.airpr.com/ 7 KB
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x-served-by: cache-mdw17360-MDW, cache-fra19126-FRA
x-cache: MISS, MISS
content-type: text/html;charset=utf-8
status: 204
x-cloud-trace-context: 438c488b0ed3e0cc936b2224c312dc52
accept-ranges: bytes, bytes
x-cache-hits: 0, 0

POST
H2 204 page_perf_log Show response
www.khanacademy.org/api/internal/_bb/ 0
178 B 188ms
184ms Fetch
text/html 151.101.13.42
FASTLY

General

Check archive.org

Show headers Download Go to

Full URL: https://www.khanacademy.org/api/internal/_bb/page_perf_log?lang=en&_=200226-1526-edb9c15aa437_1582808033252
Requested by: Host: cdn.kastatic.org
URL: https://cdn.kastatic.org/genwebpack/prod/en/corelibs.d4289ddefd1753aad012.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 151.101.13.42 Frankfurt am Main, Germany, ASN54113 (FASTLY, US),
Reverse DNS
Software: Google Frontend /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer: https://www.khanacademy.org/partner-content/wi-phi/wiphi-critical-thinking
Origin: https://www.khanacademy.org
Sec-Fetch-Dest: empty
x-ka-fkey: 1.0_1c83qvg2f036oe25nkm562c2436o1429h2g1fsn8jk1c2boh0c40kppklv4972vsr723_1582808033387
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
content-type: application/json

Response headers

date: Thu, 27 Feb 2020 12:53:53 GMT
via: 1.1 varnish, 1.1 varnish
server: Google Frontend
x-timer: S1582808033.481921,VS0,VE163
x-served-by: cache-mdw17373-MDW, cache-fra19126-FRA
x-cache: MISS, MISS
content-type: text/html;charset=utf-8
status: 204
x-cloud-trace-context: e6ce33cf83b346bff1e80f55f78031d8
accept-ranges: bytes, bytes
x-cache-hits: 0, 0

POST
H2 204 mark_conversions Show response
www.khanacademy.org/api/internal/_bb/bigbingo/ 0
235 B 187ms
182ms Fetch
text/html 151.101.13.42
FASTLY

General

Check archive.org

Show headers Download Go to

Full URL: https://www.khanacademy.org/api/internal/_bb/bigbingo/mark_conversions?product=OTHER_PRODUCT&activity=NAVIGATING&content.domainId=x54390c7e&content.courseId=xd226e27a&content.unitId=x6f9be6ce&content.kind=TOPIC&lang=en&_=200226-1526-edb9c15aa437_1582808033252
Requested by: Host: cdn.kastatic.org
URL: https://cdn.kastatic.org/genwebpack/prod/en/corelibs.d4289ddefd1753aad012.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 151.101.13.42 Frankfurt am Main, Germany, ASN54113 (FASTLY, US),
Reverse DNS
Software: Google Frontend /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer: https://www.khanacademy.org/partner-content/wi-phi/wiphi-critical-thinking
Origin: https://www.khanacademy.org
Sec-Fetch-Dest: empty
x-ka-fkey: 1.0_1c83qvg2f036oe25nkm562c2436o1429h2g1fsn8jk1c2boh0c40kppklv4972vsr723_1582808033387
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
content-type: application/x-www-form-urlencoded;charset=UTF-8

Response headers

date: Thu, 27 Feb 2020 12:53:53 GMT
via: 1.1 varnish, 1.1 varnish
server: Google Frontend
x-timer: S1582808033.484988,VS0,VE161
x-served-by: cache-mdw17321-MDW, cache-fra19126-FRA
x-cache: MISS, MISS
content-type: text/html;charset=utf-8
status: 204
x-cloud-trace-context: ed02ca8e1386484d8599e890c0793c4e
accept-ranges: bytes, bytes
x-cache-hits: 0, 0

GET
H2 200 bH0qoo.js Show response
cl.qualaroo.com/ki.js/53782/ 196 KB
73 KB 92ms
37ms Script
application/ecmascript 2a02:6ea0:c710::2
CDN77

General

Check archive.org

Show headers Download Go to

Full URL: https://cl.qualaroo.com/ki.js/53782/bH0qoo.js
Requested by: Host: s3.amazonaws.com
URL: https://s3.amazonaws.com/ki.js/53782/bH0.js
Protocol: H2
Security: TLS 1.3, , AES_256_GCM
Server: 2a02:6ea0:c710::2 , Germany, ASN60068 (CDN77, GB),
Reverse DNS
Software: BunnyCDN-DE1-487 /
Resource Hash: 0f5c9a41d00786324740fe250ea42e95ddeb3315f5f3f49b622d4527c5a6ac81

Request headers

Referer: https://www.khanacademy.org/partner-content/wi-phi/wiphi-critical-thinking
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest: script

Response headers

date: Thu, 27 Feb 2020 12:53:56 GMT
content-encoding: gzip
cdn-edgestorageid: 487
x-amz-request-id: 1277FD3B7C8C2F3B
status: 200
cdn-cachedat: 2020-01-18 10:28:36
cdn-pullzone: 92714
content-length: 74686
x-amz-id-2: ndDqvUU+R2nDCY9UDHGSPLnGUUXF0qs8BZHtxjj4etK+F3geSFRJSHB2SRIP+CHIsBoCQAPAxZU=
last-modified: Sat, 09 Nov 2019 15:02:24 GMT
server: BunnyCDN-DE1-487
vary: Accept-Encoding, Accept-Encoding
content-type: application/ecmascript
cdn-cache: HIT
cdn-uid: 50c043fb-dcd1-4574-9faf-b60384f66f78
cache-control: s-maxage=3600, max-age=0
cdn-requestid: fdfa24e923165938b555a80439a5c2d9
accept-ranges: bytes
cdn-requestcountrycode: DE

GET
H2 200 / Show response
geo.qualaroo.com/json/ 240 B
428 B 380ms
105ms XHR
application/json 52.207.168.50
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL: https://geo.qualaroo.com/json/
Requested by: Host: cdn.kastatic.org
URL: https://cdn.kastatic.org/genwebpack/prod/en/corelibs.d4289ddefd1753aad012.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 52.207.168.50 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-52-207-168-50.compute-1.amazonaws.com
Software: /
Resource Hash: 0033c70f0f109c8844ea099a58963f7fa11296c67f113cca923361db7cf83667

Request headers

Accept: application/javascript
Referer: https://www.khanacademy.org/partner-content/wi-phi/wiphi-critical-thinking
Origin: https://www.khanacademy.org
Sec-Fetch-Dest: empty
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date: Thu, 27 Feb 2020 12:53:57 GMT
status: 200
vary: Origin
content-type: application/json
access-control-allow-origin: https://www.khanacademy.org
access-control-allow-credentials: true
x-database-date: Fri, 05 Jan 2018 18:56:42 GMT
content-length: 240

GET
H2 200 frame.html
dntcl.qualaroo.com/ Frame BD86 0
0 262ms
51ms Document
text/html 2a02:6ea0:c710::2
CDN77

General

Check archive.org

Show headers Download Go to

Full URL: https://dntcl.qualaroo.com/frame.html
Requested by: Host: cl.qualaroo.com
URL: https://cl.qualaroo.com/ki.js/53782/bH0qoo.js
Protocol: H2
Security: TLS 1.3, , AES_256_GCM
Server: 2a02:6ea0:c710::2 , Germany, ASN60068 (CDN77, GB),
Reverse DNS
Software: BunnyCDN-DE1-487 /
Resource Hash

Request headers

:method: GET
:authority: dntcl.qualaroo.com
:scheme: https
:path: /frame.html
pragma: no-cache
cache-control: no-cache
upgrade-insecure-requests: 1
user-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
sec-fetch-dest: iframe
accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
sec-fetch-site: cross-site
sec-fetch-mode: navigate
referer: https://www.khanacademy.org/partner-content/wi-phi/wiphi-critical-thinking
accept-encoding: gzip, deflate, br
accept-language: en-US
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest: iframe
Referer: https://www.khanacademy.org/partner-content/wi-phi/wiphi-critical-thinking

Response headers

status: 200
date: Thu, 27 Feb 2020 12:53:57 GMT
content-type: text/html
vary: Accept-Encoding
server: BunnyCDN-DE1-487
cdn-pullzone: 99568
cdn-uid: 50c043fb-dcd1-4574-9faf-b60384f66f78
cdn-requestcountrycode: DE
cdn-edgestorageid: 487
last-modified: Fri, 06 Dec 2019 12:46:59 GMT
cache-control: public, max-age=604800
cdn-cachedat: 2020-01-18 10:28:16
cdn-requestid: 33bea5d4e5079279cc9519efa731425c
cdn-cache: HIT
content-encoding: gzip

Verdicts & Comments Add Verdict or Comment

40 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.

9 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
.khanacademy.org/	1970-01-19 07:40:08	Name: _gat_secondTracker Value: 1
.khanacademy.org/	1970-01-19 07:40:08	Name: _gat Value: 1
.khanacademy.org/	1970-01-19 07:41:34	Name: _gid Value: GA1.2.572651068.1582808027
.khanacademy.org/	1970-01-19 09:49:44	Name: _gcl_au Value: 1.1.1419046420.1582808027
www.khanacademy.org/	1970-01-19 16:25:44	Name: ka_session Value: YS_TXWPEI9yiUpp8tDg4WvoLfpGhCDvv0OPENKI5:1582808026:1582808026:1:
www.khanacademy.org/	1970-01-19 16:25:44	Name: gae_b_id Value: !$d5H0Ko2De3nyt2WntWPf6sEHZP20utIX1xFRYwvnwik.%q6d2hm%1$a2FpZF85NzAzODcxMTM1NTQ4ODg3Mjc1MjIxMjM
.khanacademy.org/	1970-01-20 01:11:20	Name: _ga Value: GA1.2.1262104033.1582808027
www.khanacademy.org/	1970-01-20 01:11:20	Name: KAVID Value: 3968f7b4-4ac2-4747-b67c-cea521fd7861
www.khanacademy.org/	1969-12-31 23:59:59	Name: fkey Value: 1.0_ly-g_6hEJQY68g==_1582808026

1 Console Messages

A page may trigger messages to the console to be logged. These are often error messages about being unable to load a resource or execute a piece of JavaScript. Sometimes they also provide insight into the technology behind a website.

Source	Level	URL Text
console-api	log	URL: https://cdn.kastatic.org/genwebpack/prod/en/corelibs.d4289ddefd1753aad012.js(Line 9) Message: _/ _/ _/ _/ _/_/ _/ _/ _/ _/ _/ _/ _/ _/ _/_/ _/ _/_/ _/_/_/_/ _/_/_/_/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/_/ _/ _/ _/ _/ _/ _/ _/ _/ _/_/ _/_/_/ _/_/ _/_/_/ _/_/_/_/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/_/ _/_/ _/ _/ _/_/_/_/ _/ _/_/_/_/ _/ _/ _/_/_/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/_/_/ _/ _/ _/_/_/ _/_/_/_/ _/ _/ _/ Interested in working with us? See https://www.khanacademy.org/careers.

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
X-Content-Type-Options	nosniff
X-Frame-Options	SAMEORIGIN

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.

cdn.kastatic.org
cl.qualaroo.com
dntcl.qualaroo.com
dpx.airpr.com
geo.qualaroo.com
px.airpr.com
s3.amazonaws.com
secure.adnxs.com
www.google-analytics.com
www.googletagmanager.com
www.khanacademy.org
13.225.73.2
151.101.113.42
151.101.13.42
185.33.223.203
2a00:1450:4001:821::2008
2a00:1450:4001:821::200e
2a02:6ea0:c710::2
52.207.168.50
52.216.164.213
54.93.151.158
0033c70f0f109c8844ea099a58963f7fa11296c67f113cca923361db7cf83667
01891419c4cd3b295df5db50107c06f35360aa9ca263284ad049c0cdb5fe2317
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129c55a5e3455b940b249f1f5dc8878a65ab3588a8e17c3a2496f106b8724ef2
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12efc43ce0076b24869f5e24e1acc97740610e3ece940b447426d81a1a6306a8
14221593f7a54e5d249f5d1f3cd743144913010e6d1e048d125a2821723c21bb
155015b3b2824a74ddc1fca1bcbdaa14e2cf30116b06f5cf37f2b15c5bd48b40
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1a959f5a23546caf64c47b6c7ecf01b7091aa90ee13ac8a9bf296d4cc4025b19
2165dfc3d0ba9bbbec81d6c527db1a36e19df749ccade9579114f036a68f32c6
225328e36dc1e7f521580eedfafb5ea9d8bb682bbe4a00f2dda1ae509495abc7
2522e9c5bd93db172c69dae627ed955eaba2f88414bd7559bd39b1681200b632
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3294cc422104c2f818134309be95e25268ab53d52a68694064b45aeb726b1cd1
35981d020de84ab72c9cd760180dc09b6fd58683a16e4394d51eee94e907cd21
35ef4cb798bc334012b57f48b7865673ff2a53cc55fe5888e1e0b7b57becad58
363cbbea27e9fe2185a5e02c81b2c9b145718c340777c05905ba90f09cf8604a
38b9ffbb7769738e24f2156b0dd4f8df034894672bac49446e274dceb1563183
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3f4e306125c9520e8df3272f587cd841b9ae116fa6aa6c73f364961538c84a1f
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5fceec2986932f4ed7f7942db2b5f9af6ae954589e8af37578522ff53f2a2448
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85c34b0fb31731879b35cbbd329fbff6c17bb590b3f7bb3bc52a848f3239a49d
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www.khanacademy.org Open in urlscan Pro 151.101.13.42 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

Screenshot Live screenshot Full Image

Detected technologies

Page Statistics

141 Requests

100 %HTTPS

30 %IPv6

8 Domains

11 Subdomains

9 IPs

3 Countries

1617 kBTransfer

5531 kBSize

9 Cookies

11 Outgoing links

Redirected requests

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

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www.khanacademy.org Open in urlscan Pro
151.101.13.42 Public Scan

Screenshot
Live screenshot

Full Image

141
Requests

100 %
HTTPS

30 %
IPv6

8
Domains

11
Subdomains

9
IPs

3
Countries

1617 kB
Transfer

5531 kB
Size

9
Cookies

141 HTTP transactions
0 data transactions