quizlet.com Open in urlscan Pro
104.16.134.27 Public Scan

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Submitted URL:
https://rivertonartscouncil.de/
Effective URL:
https://quizlet.com/
Submission: On August 01 via api (August 1st 2024, 1:39:32 pm UTC) from US — Scanned from DE

Summary HTTP 7 Redirects Behaviour Indicators

Summary

This website contacted 3 IPs in 2 countries across 3 domains to perform 7 HTTP transactions. The main IP is 104.16.134.27, located in and belongs to CLOUDFLARENET, US. The main domain is quizlet.com. The Cisco Umbrella rank of the primary domain is 21028.
TLS certificate: Issued by E6 on July 18th 2024. Valid for: 3 months.

This is the only time quizlet.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
1 1	2606:4700:303... 2606:4700:3035::6815:457d	13335 (CLOUDFLAR...) (CLOUDFLARENET)
3	104.16.134.27 104.16.134.27	13335 (CLOUDFLAR...) (CLOUDFLARENET)
2	2606:4700::68... 2606:4700::6812:5f29	13335 (CLOUDFLAR...) (CLOUDFLARENET)
7	3

1 2606:4700:3035::6815:457d (United States) 1 redirects

ASN13335 (CLOUDFLARENET, US)

rivertonartscouncil.de	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

3 104.16.134.27 (None, )

ASN13335 (CLOUDFLARENET, US)

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

2 2606:4700::6812:5f29 (United States)

ASN13335 (CLOUDFLARENET, US)

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

	Apex Domain Subdomains	Transfer
3	quizlet.com quizlet.com — Cisco Umbrella Rank: 21028	168 KB
2	cloudflare.com challenges.cloudflare.com — Cisco Umbrella Rank: 3877	15 KB
1	rivertonartscouncil.de 1 redirects rivertonartscouncil.de	596 B
7	3

	Domain	Requested by
3	quizlet.com	quizlet.com
2	challenges.cloudflare.com	quizlet.com challenges.cloudflare.com
1	rivertonartscouncil.de	1 redirects
7	3

This site contains no links.

Subject Issuer	Validity	Valid
quizlet.com E6	`2024-07-18` - `2024-10-16`	3 months	crt.sh
challenges.cloudflare.com E5	`2024-07-17` - `2024-10-15`	3 months	crt.sh

This page contains 2 frames:

Primary Page: https://quizlet.com/
Frame ID: 901943B29B67BDE5260167723C5A18F7
Requests: 7 HTTP requests in this frame

Frame: https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/turnstile/if/ov2/av0/rcv0/0/l8wcr/0x4AAAAAAADnPIDROrmt1Wwj/light/fbE/normal/auto/
Frame ID: 25814A0D9D817BCC0B6303846B60F1E8
Requests: 1 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

Captcha Challenge…

Page URL History Show full URLs

https://rivertonartscouncil.de/ HTTP 302
https://quizlet.com/ Page URL

Page Statistics

7
Requests

71 %
HTTPS

67 %
IPv6

3
Domains

3
Subdomains

3
IPs

2
Countries

198 kB
Transfer

331 kB
Size

2
Cookies

0 Outgoing links

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

Page URL History

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

https://rivertonartscouncil.de/ HTTP 302
https://quizlet.com/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

7 HTTP transactions
1 data transactions

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

GET
H2

403

Primary Request / Show response
quizlet.com/
Redirect Chain

https://rivertonartscouncil.de/
https://quizlet.com/

162 KB
120 KB

230ms
84ms

Document
text/html

104.16.134.27
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://quizlet.com/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

104.16.134.27 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

092435d123cf2efc21863b52dde9b9a4e76fb1d2d61e64c7d518f051841994a7

Security Headers

Name	Value
X-Frame-Options	SAMEORIGIN

Request headers

Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

accept-ch: Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
cache-control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
cf-chl-out: lQ7FjAUjWCz7+/SQnzWHarq6Jxw8nuestzjxtI769n1EvTVARbf937LoWp7EJkQR66Gg+C1PYKt2Yb2Pz0iHKhY4OjCdCCNw6x5276PS9AX1HaDcLqsMMcMKtgs4qb65khwmOzBZmCdCl/nKeAo6vQ==$b52kN2nZdTZghbxKN2Us4w==
cf-mitigated: challenge
cf-ray: 8ac63be46af790fa-FRA
content-encoding: br
content-type: text/html; charset=UTF-8
critical-ch: Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
cross-origin-embedder-policy: require-corp
cross-origin-opener-policy: same-origin
cross-origin-resource-policy: same-origin
date: Thu, 01 Aug 2024 13:39:23 GMT
expires: Thu, 01 Jan 1970 00:00:01 GMT
origin-agent-cluster: ?1
permissions-policy: accelerometer=(),autoplay=(),browsing-topics=(),camera=(),clipboard-read=(),clipboard-write=(),geolocation=(),gyroscope=(),hid=(),interest-cohort=(),magnetometer=(),microphone=(),payment=(),publickey-credentials-get=(),screen-wake-lock=(),serial=(),sync-xhr=(),usb=()
referrer-policy: same-origin
server: cloudflare
vary: Accept-Encoding
x-content-options: nosniff
x-frame-options: SAMEORIGIN

Redirect headers

alt-svc: h3=":443"; ma=86400
cache-control: no-store, no-cache, must-revalidate
cf-cache-status: DYNAMIC
cf-ray: 8ac63be18c119ffd-AMS
content-type: text/html; charset=UTF-8
date: Thu, 01 Aug 2024 13:39:22 GMT
expires: Thu, 19 Nov 1981 08:52:00 GMT
location: https://quizlet.com
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
pragma: no-cache
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=Rh1XXm1bGJ9stQYiHs4jbtjAda67dRSQk%2Fv6Juhux9cYe%2FNQUiB%2BdPXgrL7QWG4JDW3Sl97VSXw0EACfNJfVqQnCJR6Hps5MjOg8zE0zk8uP4EImgGuuICbQrLBqx%2BEoWaJv5NpQohpwiZWxPQ23iisw%2FMTM"}],"group":"cf-nel","max_age":604800}
server: cloudflare
x-powered-by: PHP/7.2.34

GET
H2 200 v1 Show response
quizlet.com/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/ 94 KB
36 KB 52ms
52ms Script
application/javascript 104.16.134.27
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://quizlet.com/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=8ac63be46af790fa
Requested by: Host: quizlet.com
URL: https://quizlet.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 104.16.134.27 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: cae75774ee9c44d3be0a423cba6badf414a08ca03076a37377975ffbe614322e

Request headers

Referer: https://quizlet.com/?__cf_chl_rt_tk=fLTbutOW4LEtvA146SjDmHBab9XGXJtciZFA7jc86a4-1722519563-0.0.1.1-6100
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date: Thu, 01 Aug 2024 13:39:23 GMT
cache-control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
content-encoding: br
server: cloudflare
cf-ray: 8ac63be5dca790fa-FRA
content-type: application/javascript; charset=UTF-8

GET
DATA 200
OK truncated
/ 15 KB
15 KB Font
application/font-woff2

General

Check archive.org

Show headers Download Go to

Full URL: data:truncated
Protocol: DATA
Server: -, , ASN (),
Reverse DNS
Software: /
Resource Hash: 5db26503a3336280116147a376dd473723d641bfbc4296df1dea107765509e50

Request headers

Referer
Origin: https://quizlet.com
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

Content-Type: application/font-woff2;charset=utf-8

GET
H3 200 api.js Show response
challenges.cloudflare.com/turnstile/v0/b/8c81cb09042c/ 43 KB
15 KB 190ms
28ms Script
application/javascript 2606:4700::6812:5f29
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://challenges.cloudflare.com/turnstile/v0/b/8c81cb09042c/api.js?onload=UYbeL2&render=explicit
Requested by: Host: quizlet.com
URL: https://quizlet.com/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=8ac63be46af790fa
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2606:4700::6812:5f29 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: 25b1f543c4682618e2fff0c607d70a896ecfc080ce500c41ce00b7ffad0ec411

Request headers

Referer
Origin: https://quizlet.com
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date: Thu, 01 Aug 2024 13:39:23 GMT
content-encoding: br
last-modified: Fri, 26 Jul 2024 18:15:35 GMT
server: cloudflare
vary: Accept-Encoding
content-type: application/javascript; charset=UTF-8
access-control-allow-origin: *
cache-control: max-age=31536000, stale-if-error=10800, stale-while-revalidate=31536000, public
cross-origin-resource-policy: cross-origin
cf-ray: 8ac63be7e8b1971e-AMS
alt-svc: h3=":443"; ma=86400

GET
BLOB 200
OK dc3893f6-ded2-4f3e-bcc8-bb0c23e069f4
https://quizlet.com/ 13 B
0 Other
text/javascript

General

Check archive.org

Show headers Download Go to

Full URL: blob:https://quizlet.com/dc3893f6-ded2-4f3e-bcc8-bb0c23e069f4
Requested by: Host: quizlet.com
URL: https://quizlet.com/
Protocol: BLOB
Server: -, , ASN (),
Reverse DNS
Software: /
Resource Hash: 8860e7fef89219a219cb11d18bd8e4a322f32072613f86e935e7fe162ab69c04

Request headers

Referer: https://quizlet.com/
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

Content-Length: 13
Content-Type: text/javascript

POST
H2 200 4c00fd61d741bb0 Show response
quizlet.com/cdn-cgi/challenge-platform/h/b/flow/ov1/1417771595:1722518574:irEZhqzzFkTDVC1CJNkB_bQosRnZiw8XF5pghHY-p2U/8ac63be46af790fa/ 16 KB
13 KB 80ms
78ms XHR
text/plain 104.16.134.27
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://quizlet.com/cdn-cgi/challenge-platform/h/b/flow/ov1/1417771595:1722518574:irEZhqzzFkTDVC1CJNkB_bQosRnZiw8XF5pghHY-p2U/8ac63be46af790fa/4c00fd61d741bb0
Requested by: Host: quizlet.com
URL: https://quizlet.com/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=8ac63be46af790fa
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 104.16.134.27 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: 3090664040c07ee0f5116b7e064afca7b9abb20af04b8036d02cd926893299df

Request headers

Referer: https://quizlet.com/
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36
CF-Challenge: 4c00fd61d741bb0
Content-type: application/x-www-form-urlencoded

Response headers

content-type: text/plain; charset=UTF-8
date: Thu, 01 Aug 2024 13:39:23 GMT
content-encoding: br
server: cloudflare
cf-ray: 8ac63be79eb990fa-FRA
cf-chl-gen: 95gPmtVPIqRlZ1GBuOVgxOFSzIHH6LfcfZB/hOV/zOXljiTRah/LEzo0H0nRDI5FFsRDK/NYZQ==$/O7QbCWlP+wD2Cx1

GET
H3 200 /
challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/turnstile/if/ov2/av0/rcv0/0/l8wcr/0x4AAAAAAADnPIDROrmt1Wwj/light/fbE/normal/auto/ Frame 2581 0
0 36ms
26ms Document
text/html 2606:4700::6812:5f29
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/turnstile/if/ov2/av0/rcv0/0/l8wcr/0x4AAAAAAADnPIDROrmt1Wwj/light/fbE/normal/auto/

Requested by

Host: challenges.cloudflare.com
URL: https://challenges.cloudflare.com/turnstile/v0/b/8c81cb09042c/api.js?onload=UYbeL2&render=explicit

Protocol

Security

QUIC, , AES_128_GCM

Server

2606:4700::6812:5f29 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

Security Headers

Name	Value
Content-Security-Policy	frame-src https://challenges.cloudflare.com/; base-uri 'self'

Request headers

Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

accept-ch: Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
alt-svc: h3=":443"; ma=86400
cache-control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
cf-ray: 8ac63be9199c4160-AMS
content-encoding: br
content-security-policy: frame-src https://challenges.cloudflare.com/; base-uri 'self'
content-type: text/html; charset=UTF-8
critical-ch: Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
cross-origin-embedder-policy: require-corp
cross-origin-opener-policy: same-origin
cross-origin-resource-policy: cross-origin
date: Thu, 01 Aug 2024 13:39:23 GMT
document-policy: js-profiling
origin-agent-cluster: ?1
permissions-policy: accelerometer=(),autoplay=(),browsing-topics=(),camera=(),clipboard-read=(),clipboard-write=(),geolocation=(),gyroscope=(),hid=(),interest-cohort=(),magnetometer=(),microphone=(),payment=(),publickey-credentials-get=(),screen-wake-lock=(),serial=(),sync-xhr=(),usb=()
referrer-policy: same-origin
server: cloudflare

GET
BLOB 200
OK 137b40c8-6113-41ad-9e1a-21b25451881a
https://quizlet.com/ 80 B
0 Other
text/javascript

General

Check archive.org

Show headers Download Go to

Full URL: blob:https://quizlet.com/137b40c8-6113-41ad-9e1a-21b25451881a
Requested by: Host: quizlet.com
URL: https://quizlet.com/
Protocol: BLOB
Server: -, , ASN (),
Reverse DNS
Software: /
Resource Hash: f3418640c1204265881221580b9d1554424f6ed49549d408da50c690ab29f400

Request headers

Referer: https://quizlet.com/
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

Content-Length: 80
Content-Type: text/javascript

Verdicts & Comments Add Verdict or Comment

18 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.

2 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
			rivertonartscouncil.de/	1969-12-31 23:59:59	Name: PHPSESSID Value: ertrf99m53ajltivb1mtncho1f
			.quizlet.com/	1970-01-20 22:28:41	Name: __cf_bm Value: _XbLXm_UvQXocNBwDQIw6IBBwMPXRqTHNIGzr_QV_og-1722519563-1.0.1.1-2T0YJzHGlW2tJGswG6rZsWB3xTczo8.HBj7U50Y8.3.IqpvxFePk7HBZ878xzyB7KG275O7j6CqQBEQgxgoAmQ

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
network	error	URL: https://quizlet.com/ Message: Failed to load resource: the server responded with a status of 403 ()

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-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.

challenges.cloudflare.com
quizlet.com
rivertonartscouncil.de
104.16.134.27
2606:4700:3035::6815:457d
2606:4700::6812:5f29
092435d123cf2efc21863b52dde9b9a4e76fb1d2d61e64c7d518f051841994a7
25b1f543c4682618e2fff0c607d70a896ecfc080ce500c41ce00b7ffad0ec411
3090664040c07ee0f5116b7e064afca7b9abb20af04b8036d02cd926893299df
5db26503a3336280116147a376dd473723d641bfbc4296df1dea107765509e50
8860e7fef89219a219cb11d18bd8e4a322f32072613f86e935e7fe162ab69c04
cae75774ee9c44d3be0a423cba6badf414a08ca03076a37377975ffbe614322e
f3418640c1204265881221580b9d1554424f6ed49549d408da50c690ab29f400

quizlet.com Open in urlscan Pro 104.16.134.27 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

Screenshot Live screenshot Full Image

Page Title

Page URL History Show full URLs

Page Statistics

7 Requests

71 %HTTPS

67 %IPv6

3 Domains

3 Subdomains

3 IPs

2 Countries

198 kBTransfer

331 kBSize

2 Cookies

0 Outgoing links

Page URL History

Redirected requests

7 HTTP transactions Everything HTML Script AJAX CSS Image Expand all 1 data transactions

Request headers

Response headers

Redirect headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Verdicts & Comments Add Verdict or Comment

18 JavaScript Global Variables

2 Cookies

1 Console Messages

Security Headers

Indicators

quizlet.com Open in urlscan Pro
104.16.134.27 Public Scan

Screenshot
Live screenshot

Full Image

7
Requests

71 %
HTTPS

67 %
IPv6

3
Domains

3
Subdomains

3
IPs

2
Countries

198 kB
Transfer

331 kB
Size

2
Cookies

7 HTTP transactions
1 data transactions