captcha.kla21.at Open in urlscan Pro
172.67.172.141 Public Scan

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Submitted URL:
https://2krk.inc/
Effective URL:
https://captcha.kla21.at/
Submission: On December 23 via api (December 23rd 2024, 6:02:55 pm UTC) from US — Scanned from US

Summary HTTP 18 Redirects Behaviour Indicators

Summary

This website contacted 3 IPs in 1 countries across 4 domains to perform 18 HTTP transactions. The main IP is 172.67.172.141, located in United States and belongs to CLOUDFLARENET, US. The main domain is captcha.kla21.at.
TLS certificate: Issued by WE1 on December 22nd 2024. Valid for: 3 months.

This is the only time captcha.kla21.at was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
1 1	172.67.133.72 172.67.133.72	13335 (CLOUDFLAR...) (CLOUDFLARENET)
4 17	172.67.172.141 172.67.172.141	13335 (CLOUDFLAR...) (CLOUDFLARENET)
1	2607:f8b0:400... 2607:f8b0:4006:823::200a	() ()
18	3

1 172.67.133.72 (United States) 1 redirects

ASN13335 (CLOUDFLARENET, US)

2krk.inc	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

17 172.67.172.141 (United States) 4 redirects

ASN13335 (CLOUDFLARENET, US)

kla21.at	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools
captcha.kla21.at	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2607:f8b0:4006:823::200a (None, )

ASN- ()

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

	Apex Domain Subdomains	Transfer
17	kla21.at 4 redirects kla21.at captcha.kla21.at	38 KB
1	googleapis.com fonts.googleapis.com	1 KB
1	2krk.inc 1 redirects 2krk.inc	708 B
0	gstatic.com Failed fonts.gstatic.com Failed
18	4

	Domain	Requested by
9	kla21.at	2 redirects kla21.at
8	captcha.kla21.at	2 redirects kla21.at captcha.kla21.at
1	fonts.googleapis.com	captcha.kla21.at
1	2krk.inc	1 redirects
0	fonts.gstatic.com Failed	fonts.googleapis.com
18	5

This site contains no links.

Subject Issuer	Validity	Valid
kla21.at WE1	`2024-12-22` - `2025-03-22`	3 months	crt.sh
upload.video.google.com WR2	`2024-12-02` - `2025-02-24`	3 months	crt.sh

This page contains 1 frames:

Primary Page: https://captcha.kla21.at/
Frame ID: 44F5638E8F2AAD7D37DF5AA78712DB63
Requests: 20 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

KRAKEN

Page URL History Show full URLs

https://2krk.inc/ HTTP 302
https://kla21.at/ Page URL
https://kla21.at/ HTTP 302
https://kla21.at/ Page URL
https://kla21.at/?cf_captcha_success=1 HTTP 302
https://captcha.kla21.at/ Page URL
https://captcha.kla21.at/ HTTP 302
https://captcha.kla21.at/ HTTP 302
https://captcha.kla21.at/ Page URL

Page Statistics

18
Requests

78 %
HTTPS

33 %
IPv6

4
Domains

5
Subdomains

3
IPs

1
Countries

37 kB
Transfer

94 kB
Size

14
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://2krk.inc/ HTTP 302
https://kla21.at/ Page URL
https://kla21.at/ HTTP 302
https://kla21.at/ Page URL
https://kla21.at/?cf_captcha_success=1 HTTP 302
https://captcha.kla21.at/ Page URL
https://captcha.kla21.at/ HTTP 302
https://captcha.kla21.at/ HTTP 302
https://captcha.kla21.at/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 0

https://2krk.inc/ HTTP 302
https://kla21.at/

Request Chain 4

https://kla21.at/ HTTP 302
https://kla21.at/

Request Chain 8

https://kla21.at/?cf_captcha_success=1 HTTP 302
https://captcha.kla21.at/

18 HTTP transactions
2 data transactions

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

GET
H3

200

/ Show response
kla21.at/
Redirect Chain

https://2krk.inc/
https://kla21.at/

718 B
1 KB

733ms
414ms

Document
text/html

172.67.172.141
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://kla21.at/
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 172.67.172.141 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: 85018d7c7027dc4181e0fee07d363010e8862c44a4e0968021bf3be8d6d6c216

Request headers

Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Response headers

alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: 8f6a43bb3e8b2a97-LAX
content-encoding: zstd
content-type: text/html; charset=UTF-8
date: Mon, 23 Dec 2024 18:02:47 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
priority: u=0,i
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=X8FNLLHWmY56mcYI5IIpQ1w39xng4OVzj9PlIrFi0eCOK41KJHeOJ4avFhp8nt5CL6rUPcTA3AeP3J9pqXctKbr77Fkotdb718KGNyAZ4GKjIc4qJnk2LBea3g%3D%3D"}],"group":"cf-nel","max_age":604800}
server: cloudflare
server-timing: cfL4;desc="?proto=QUIC&rtt=78888&min_rtt=71645&rtt_var=22344&sent=14&recv=11&lost=0&retrans=0&sent_bytes=4215&recv_bytes=4529&delivery_rate=290&cwnd=12000&unsent_bytes=0&cid=5d50cde1a2a41588&ts=506&x=1" cfExtPri cfHdrFlush;dur=0
vary: Accept-Encoding

Redirect headers

access-control-allow-origin: *
alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: 8f6a43b3c82f69c8-LAX
content-type: text/html; charset=UTF-8
date: Mon, 23 Dec 2024 18:02:46 GMT
location: https://Kla21.at
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
priority: u=0,i
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=5RJ46HyVFKORV4rqCOUbZx3TmcMmcJCze0a0pZN95Cx7h6aEtN5abfbflbJEjNcYn2YJljx2ddoMlilGvTldujHl7nzrgwNvfVkrF4fNJOhIoRWKDtYPqBgI7w%3D%3D"}],"group":"cf-nel","max_age":604800}
server: cloudflare
server-timing: cfL4;desc="?proto=QUIC&rtt=75374&min_rtt=71632&rtt_var=14926&sent=12&recv=10&lost=0&retrans=0&sent_bytes=4152&recv_bytes=4478&delivery_rate=289&cwnd=12000&unsent_bytes=0&cid=4364725f96cec3e3&ts=837&x=1" cfExtPri cfHdrFlush;dur=0

GET
H3 200 connect.min.js Show response
kla21.at/js/ 11 KB
4 KB 84ms
83ms Script
text/javascript 172.67.172.141
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://kla21.at/js/connect.min.js?1
Requested by: Host: kla21.at
URL: https://kla21.at/
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 172.67.172.141 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: 9fa0fd5b129cc1062500cf31c6be66f6617d829c3e4ccf0dc7cdba46f992632e

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer: https://kla21.at/

Response headers

content-encoding: gzip
cf-cache-status: HIT
etag: "2c0a-629b20f102754-gzip"
age: 3790
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=EYy7ECDp9sFKsaml7khJysEmeGJDtbJp%2FeJRi%2BuCYc3%2B1PM%2BVqNZMy8dIMPRKUjE%2Bg94BR2IVmTjdAz700xbKVl2wLMJ1PWkoSLDKzSY9HkhK9g2RCqGHJpq9g%3D%3D"}],"group":"cf-nel","max_age":604800}
alt-svc: h3=":443"; ma=86400
server-timing: cfL4;desc="?proto=QUIC&rtt=77146&min_rtt=70967&rtt_var=15557&sent=18&recv=14&lost=0&retrans=0&sent_bytes=5702&recv_bytes=4992&delivery_rate=20615&cwnd=12000&unsent_bytes=0&cid=5d50cde1a2a41588&ts=631&x=1", cfExtPri, cfHdrFlush;dur=0
date: Mon, 23 Dec 2024 18:02:47 GMT
content-type: text/javascript
last-modified: Fri, 20 Dec 2024 11:36:33 GMT
vary: Accept-Encoding
priority: u=1,i=?0
cache-control: max-age=14400
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
cf-ray: 8f6a43be1b0b2a97-LAX
accept-ranges: bytes
content-length: 2923
server: cloudflare

GET
H3 200 take_server.php
kla21.at/modules/onion_servers/ 0
695 B 262ms
260ms XHR
text/html 172.67.172.141
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://kla21.at/modules/onion_servers/take_server.php
Requested by: Host: kla21.at
URL: https://kla21.at/js/connect.min.js?1
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 172.67.172.141 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
X-Requested-With: XMLHttpRequest

Response headers

nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
content-encoding: zstd
cf-cache-status: DYNAMIC
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=1A8O%2FkpWMq82aJ7ayuvuk2j6e2vb5bokbVanYRGUrwnsesJbreaKmcHhEccxuZTHD6NpEJlbIzjIDbcsS%2FQiGt2vp4ZVeiYtZ%2Fa70defSWcSeiFrVmX7%2Fes2Fw%3D%3D"}],"group":"cf-nel","max_age":604800}
cf-ray: 8f6a43beabff2a97-LAX
alt-svc: h3=":443"; ma=86400
server-timing: cfL4;desc="?proto=QUIC&rtt=80770&min_rtt=70967&rtt_var=13183&sent=26&recv=19&lost=0&retrans=0&sent_bytes=10809&recv_bytes=6010&delivery_rate=13479&cwnd=12000&unsent_bytes=0&cid=5d50cde1a2a41588&ts=899&x=1", cfExtPri, cfHdrFlush;dur=0
date: Mon, 23 Dec 2024 18:02:47 GMT
content-type: text/html; charset=UTF-8
server: cloudflare
priority: u=1,i

GET
H3 200 favicon.ico
kla21.at/ 598 B
1 KB 95ms
84ms Other
image/vnd.microsoft.icon 172.67.172.141
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://kla21.at/favicon.ico
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 172.67.172.141 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: 4f0b7e5217318eedc1b42ca1ce5e128c649c97082912f1d800eec1325207ad96

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer

Response headers

content-encoding: zstd
cf-cache-status: HIT
etag: W/"256-629b20e32a691"
age: 3925
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=f%2BF8U5ifMgljb68lkUsNu3P9uhrt418OHIv2Yt9xiCfgoYJXM5WcOXTpbg3vs1HL8GNCoUT62sk7eBTXBT3vRxV23WrAkk0oMgvgHeFYbEICfECUiEA2BevVLg%3D%3D"}],"group":"cf-nel","max_age":604800}
alt-svc: h3=":443"; ma=86400
server-timing: cfL4;desc="?proto=QUIC&rtt=78044&min_rtt=70967&rtt_var=10307&sent=24&recv=18&lost=0&retrans=0&sent_bytes=9463&recv_bytes=5967&delivery_rate=45859&cwnd=12000&unsent_bytes=0&cid=5d50cde1a2a41588&ts=745&x=1", cfExtPri, cfHdrFlush;dur=0
date: Mon, 23 Dec 2024 18:02:47 GMT
content-type: image/vnd.microsoft.icon
last-modified: Fri, 20 Dec 2024 11:36:19 GMT
vary: Accept-Encoding
priority: u=1,i
cache-control: max-age=14400
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
cf-ray: 8f6a43becc242a97-LAX
server: cloudflare

GET
H3

200

/ Show response
kla21.at/
Redirect Chain

https://kla21.at/
https://kla21.at/

14 KB
7 KB

247ms
247ms

Document
text/html

172.67.172.141
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://kla21.at/
Requested by: Host: kla21.at
URL: https://kla21.at/js/connect.min.js?1
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 172.67.172.141 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: 0c79f5b57302d33b353aa8391c10436553b5e346900d197c08cfd962cbb33201

Request headers

Referer: https://kla21.at/
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Response headers

alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: 8f6a43c1d8402a97-LAX
content-encoding: zstd
content-type: text/html; charset=UTF-8
date: Mon, 23 Dec 2024 18:02:48 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
priority: u=0,i
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=iaCFDviDp%2B%2Fjcfg%2Fal3Z1lqjy8kRH%2FfVSW5duM7sDKF0GWu0gyB6XxRN4vHeK5yUYdph0Z%2BsQQsuBWiHbCk2iOLhHiDZgdZ5Dw%2Fph%2FkO7ek%2B%2F69BFglyFs2HMA%3D%3D"}],"group":"cf-nel","max_age":604800}
server: cloudflare
server-timing: cfL4;desc="?proto=QUIC&rtt=78860&min_rtt=70967&rtt_var=10663&sent=30&recv=21&lost=0&retrans=0&sent_bytes=12343&recv_bytes=7059&delivery_rate=3074&cwnd=12000&unsent_bytes=0&cid=5d50cde1a2a41588&ts=1402&x=1" cfExtPri cfHdrFlush;dur=0
vary: Accept-Encoding

Redirect headers

alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: 8f6a43c04e482a97-LAX
content-type: text/html; charset=UTF-8
date: Mon, 23 Dec 2024 18:02:47 GMT
location: /
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
priority: u=0,i
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=4Yu3hKg%2FRqOBizy8A5dhT9sw4C8ZWYDeNE2%2FYG%2BdKUJcMnuvRJfR91UhTW82Na1u7L%2BoMVoYoqDFskZs9jPLrK2SOyjXPhF5QYedf0nBobawtfZJjs9exNtVnQ%3D%3D"}],"group":"cf-nel","max_age":604800}
server: cloudflare
server-timing: cfL4;desc="?proto=QUIC&rtt=79627&min_rtt=70967&rtt_var=12174&sent=28&recv=20&lost=0&retrans=0&sent_bytes=11551&recv_bytes=6526&delivery_rate=9290&cwnd=12000&unsent_bytes=0&cid=5d50cde1a2a41588&ts=1147&x=1" cfExtPri cfHdrFlush;dur=0

GET
DATA 200
OK truncated
/ 586 B
0 Image
image/png

General

Check archive.org

Show headers Download Go to Show image

Full URL: data:truncated
Protocol: DATA
Server: -, , ASN (),
Reverse DNS
Software: /
Resource Hash: fc95732d9ff3b17fcb3e64fd12c0d451c38e64e1a4b420c556a7feb756a0a3fa

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer

Response headers

Content-Type: image/png

GET
H3 404 transparent.gif
kla21.at/cdn-cgi/images/trace/managed/nojs/ 553 B
553 B 86ms
85ms Image
text/html 172.67.172.141
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://kla21.at/cdn-cgi/images/trace/managed/nojs/transparent.gif?ray=794d630be9c098f7

Requested by

Host: kla21.at
URL: https://kla21.at/

Protocol

Security

QUIC, , AES_128_GCM

Server

172.67.172.141 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

6fc8caf11b83feb15665491d9f3d0d788299fa8a94adc7adbc256acc0917f5cb

Security Headers

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

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer: https://kla21.at/

Response headers

content-encoding: gzip
x-content-type-options: nosniff
cf-ray: 8f6a43c3ca9d2a97-LAX
date: Mon, 23 Dec 2024 18:02:48 GMT
content-type: text/html
vary: Accept-Encoding
server: cloudflare
x-frame-options: DENY

GET
H3 200 favicon.ico
kla21.at/ 598 B
0 0ms
0ms Other
image/vnd.microsoft.icon 172.67.172.141
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://kla21.at/favicon.ico
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 172.67.172.141 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: 4f0b7e5217318eedc1b42ca1ce5e128c649c97082912f1d800eec1325207ad96

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer: https://kla21.at/

Response headers

content-encoding: zstd
cf-cache-status: HIT
etag: W/"256-629b20e32a691"
age: 3925
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=f%2BF8U5ifMgljb68lkUsNu3P9uhrt418OHIv2Yt9xiCfgoYJXM5WcOXTpbg3vs1HL8GNCoUT62sk7eBTXBT3vRxV23WrAkk0oMgvgHeFYbEICfECUiEA2BevVLg%3D%3D"}],"group":"cf-nel","max_age":604800}
alt-svc: h3=":443"; ma=86400
server-timing: cfL4;desc="?proto=QUIC&rtt=78044&min_rtt=70967&rtt_var=10307&sent=24&recv=18&lost=0&retrans=0&sent_bytes=9463&recv_bytes=5967&delivery_rate=45859&cwnd=12000&unsent_bytes=0&cid=5d50cde1a2a41588&ts=745&x=1", cfExtPri, cfHdrFlush;dur=0
date: Mon, 23 Dec 2024 18:02:47 GMT
content-type: image/vnd.microsoft.icon
last-modified: Fri, 20 Dec 2024 11:36:19 GMT
vary: Accept-Encoding
priority: u=1,i
cache-control: max-age=14400
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
cf-ray: 8f6a43becc242a97-LAX
server: cloudflare

GET
H3

200

/ Show response
captcha.kla21.at/
Redirect Chain

https://kla21.at/?cf_captcha_success=1
https://captcha.kla21.at/

718 B
1 KB

572ms
408ms

Document
text/html

172.67.172.141
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://captcha.kla21.at/
Requested by: Host: kla21.at
URL: https://kla21.at/
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 172.67.172.141 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: 85018d7c7027dc4181e0fee07d363010e8862c44a4e0968021bf3be8d6d6c216

Request headers

Referer: https://kla21.at/
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Response headers

alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: 8f6a43d368672a97-LAX
content-encoding: zstd
content-type: text/html; charset=UTF-8
date: Mon, 23 Dec 2024 18:02:51 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
priority: u=0,i
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=pD7DfjGMavwna7Q8md%2BqDyYRI08QoSpIomKSSVy6nieRAdnegORF8unfK1N2%2BfP315CiADsK4yMFBq%2B%2FXojkNRW0gKYi1sHXah4bW1j%2BwaZHSwbt4FMBQr6ahy0tdu05coAl"}],"group":"cf-nel","max_age":604800}
server: cloudflare
server-timing: cfL4;desc="?proto=QUIC&rtt=76322&min_rtt=70967&rtt_var=5797&sent=43&recv=30&lost=0&retrans=0&sent_bytes=20965&recv_bytes=8788&delivery_rate=2666&cwnd=12000&unsent_bytes=0&cid=5d50cde1a2a41588&ts=4373&x=1" cfExtPri cfHdrFlush;dur=0
vary: Accept-Encoding

Redirect headers

alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: 8f6a43d0dcf22a97-LAX
content-type: text/html; charset=UTF-8
date: Mon, 23 Dec 2024 18:02:50 GMT
location: https://captcha.kla21.at
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
priority: u=0,i
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=92MTV7EanDBfj9y%2Fzhpdb7klooIjH2R5rX70M4pNm53Kv4tnQ7NCljY8Q%2FyMJIrGqAnhj1lFtw5gDd98p95q%2FbiQUCX2v%2FHwxw%2BXvstw58PHfZ%2BC3ECayA0zFg%3D%3D"}],"group":"cf-nel","max_age":604800}
server: cloudflare
server-timing: cfL4;desc="?proto=QUIC&rtt=76714&min_rtt=70967&rtt_var=6683&sent=41&recv=28&lost=0&retrans=0&sent_bytes=20220&recv_bytes=8360&delivery_rate=2756&cwnd=12000&unsent_bytes=0&cid=5d50cde1a2a41588&ts=3799&x=1" cfExtPri cfHdrFlush;dur=0

GET
H3 200 connect.min.js
captcha.kla21.at/js/ 11 KB
4 KB 106ms
105ms Script
text/javascript 172.67.172.141
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://captcha.kla21.at/js/connect.min.js?1
Requested by: Host: captcha.kla21.at
URL: https://captcha.kla21.at/
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 172.67.172.141 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer: https://captcha.kla21.at/

Response headers

content-encoding: gzip
cf-cache-status: HIT
etag: "2c0a-629b20f102754-gzip"
age: 3630
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=a%2BCy%2BKTI5hdw7eZdsHYX83QtiaieHc6mJIcNPo8giW3sJEMoCNUyhGVMeKeTNWJB1U%2FaG90m0cU72%2FWGwfwda7%2BgZaGNcjaRx3e4rA%2BY%2Fgf5fRK37j8MxlODMIm8aLzpuFi7"}],"group":"cf-nel","max_age":604800}
alt-svc: h3=":443"; ma=86400
server-timing: cfL4;desc="?proto=QUIC&rtt=75696&min_rtt=70967&rtt_var=5599&sent=46&recv=32&lost=0&retrans=0&sent_bytes=22402&recv_bytes=9218&delivery_rate=3473&cwnd=12000&unsent_bytes=0&cid=5d50cde1a2a41588&ts=4483&x=1", cfExtPri, cfHdrFlush;dur=0
date: Mon, 23 Dec 2024 18:02:51 GMT
content-type: text/javascript
last-modified: Fri, 20 Dec 2024 11:36:33 GMT
vary: Accept-Encoding
priority: u=1,i=?0
cache-control: max-age=14400
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
cf-ray: 8f6a43d60c092a97-LAX
accept-ranges: bytes
content-length: 2923
server: cloudflare

GET take_server.php
captcha.kla21.at/modules/onion_servers/ 0
0

GET favicon.ico
captcha.kla21.at/ 0
0

GET
H3

200

Primary Request / Show response
captcha.kla21.at/
Redirect Chain

https://captcha.kla21.at/
https://captcha.kla21.at/
https://captcha.kla21.at/

19 KB
13 KB

2181ms
2181ms

Document
text/html

172.67.172.141
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://captcha.kla21.at/
Requested by: Host: captcha.kla21.at
URL: https://captcha.kla21.at/js/connect.min.js?1
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 172.67.172.141 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: 6470ddd65ab999c7fe9929af9ecaed9e017872f159cf14652a13ef4d48695593

Request headers

Referer: https://captcha.kla21.at/
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Response headers

alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: 8f6a43dced492a97-LAX
content-encoding: zstd
content-type: text/html; charset=UTF-8
date: Mon, 23 Dec 2024 18:02:54 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
priority: u=0,i
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=5B8a5R%2BmJaMTQXfq4Mg6j8%2B7nOR%2FgHYxWS6QGOuNcpjL2b9cm3xgGfqO412STWHMCN6JPE0jJ3vGvEIq8idhVLkJcruVL3qEJA5My97FLvIBPY73DOVYyws8w9xAxn8xXqJ8"}],"group":"cf-nel","max_age":604800}
server: cloudflare
server-timing: cfL4;desc="?proto=QUIC&rtt=81961&min_rtt=70967&rtt_var=15199&sent=58&recv=42&lost=0&retrans=0&sent_bytes=27887&recv_bytes=11936&delivery_rate=1574&cwnd=12000&unsent_bytes=0&cid=5d50cde1a2a41588&ts=7665&x=1" cfExtPri cfHdrFlush;dur=0
vary: Accept-Encoding

Redirect headers

alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: 8f6a43d998ae2a97-LAX
content-type: text/html; charset=UTF-8
date: Mon, 23 Dec 2024 18:02:52 GMT
location: /
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
priority: u=0,i
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=3LtQhtRqIQdlyVsz6DYp0ZqmimZAtk24UmQ%2FJx742xbvhGJSeNAGciJtXJt%2Br92zRzV6GbVzW0uW6zNmhyoLggYmOZpT2fkSArt38CNrFEYcx%2FuU5oDdflS7pN49fE9Nk%2B%2Fv"}],"group":"cf-nel","max_age":604800}
server: cloudflare
server-timing: cfL4;desc="?proto=QUIC&rtt=83513&min_rtt=70967&rtt_var=16128&sent=56&recv=41&lost=0&retrans=0&sent_bytes=27019&recv_bytes=11377&delivery_rate=9009&cwnd=12000&unsent_bytes=0&cid=5d50cde1a2a41588&ts=5483&x=1" cfExtPri cfHdrFlush;dur=0

GET
H2 200 css2
fonts.googleapis.com/ 10 KB
1 KB 458ms
167ms Stylesheet
text/css 2607:f8b0:4006:823::200a

General

Check archive.org

Show headers Download Go to

Full URL

https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;700&display=swap

Requested by

Host: captcha.kla21.at
URL: https://captcha.kla21.at/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2607:f8b0:4006:823::200a -, , ASN (),

Reverse DNS

Software

ESF /

Resource Hash

13f2c0f493de32018abd6c456775db4b79c1d2ee56118f42a07a19d882d6dc6f

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

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer: https://captcha.kla21.at/

Response headers

content-encoding: gzip
x-content-type-options: nosniff
expires: Mon, 23 Dec 2024 18:02:54 GMT
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date: Mon, 23 Dec 2024 18:02:54 GMT
content-type: text/css; charset=utf-8
vary: Sec-Fetch-Dest, Sec-Fetch-Mode, Sec-Fetch-Site
last-modified: Mon, 23 Dec 2024 16:30:13 GMT
x-frame-options: SAMEORIGIN
strict-transport-security: max-age=31536000
link: <https://fonts.gstatic.com>; rel=preconnect; crossorigin
cache-control: private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin: *
cross-origin-opener-policy: same-origin-allow-popups
cross-origin-resource-policy: cross-origin
access-control-allow-origin: *
x-xss-protection: 0
server: ESF

GET
H3 200 normalize.css
captcha.kla21.at/css/ 4 KB
2 KB 84ms
83ms Stylesheet
text/css 172.67.172.141
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://captcha.kla21.at/css/normalize.css
Requested by: Host: captcha.kla21.at
URL: https://captcha.kla21.at/
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 172.67.172.141 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: 6b1e238b3810eef313f24f098db4d880175b3ed1168f0c9faaaff9b53089c2fa

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer: https://captcha.kla21.at/

Response headers

content-encoding: gzip
cf-cache-status: HIT
etag: "116d-629b20e8664af-gzip"
age: 3631
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=Tr%2BC0OOW0AvyELAIdIxKAcrxV287kLUv6N8eolbWIjFHkq1vcyUK1HF4fZmbwWISP9Si7bkyoHLsLwJFP3WOWgBM3NFBvxIIW9U%2BWtoyWu4OWNj4qxaeHKKddu8vg1wFLuuZ"}],"group":"cf-nel","max_age":604800}
alt-svc: h3=":443"; ma=86400
server-timing: cfL4;desc="?proto=QUIC&rtt=77194&min_rtt=70967&rtt_var=6382&sent=72&recv=50&lost=0&retrans=0&sent_bytes=41865&recv_bytes=12759&delivery_rate=1313&cwnd=22800&unsent_bytes=0&cid=5d50cde1a2a41588&ts=7832&x=1", cfExtPri, cfHdrFlush;dur=0
date: Mon, 23 Dec 2024 18:02:54 GMT
content-type: text/css
last-modified: Fri, 20 Dec 2024 11:36:24 GMT
vary: Accept-Encoding
priority: u=0,i=?0
cache-control: max-age=14400
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
cf-ray: 8f6a43eb18ac2a97-LAX
accept-ranges: bytes
content-length: 1369
server: cloudflare

GET
H3 200 connect.min.js Show response
captcha.kla21.at/js/ 11 KB
0 106ms
105ms Script
text/javascript 172.67.172.141
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://captcha.kla21.at/js/connect.min.js?1
Requested by: Host: captcha.kla21.at
URL: https://captcha.kla21.at/
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 172.67.172.141 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: 9fa0fd5b129cc1062500cf31c6be66f6617d829c3e4ccf0dc7cdba46f992632e

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer: https://captcha.kla21.at/

Response headers

content-encoding: gzip
cf-cache-status: HIT
etag: "2c0a-629b20f102754-gzip"
age: 3630
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=a%2BCy%2BKTI5hdw7eZdsHYX83QtiaieHc6mJIcNPo8giW3sJEMoCNUyhGVMeKeTNWJB1U%2FaG90m0cU72%2FWGwfwda7%2BgZaGNcjaRx3e4rA%2BY%2Fgf5fRK37j8MxlODMIm8aLzpuFi7"}],"group":"cf-nel","max_age":604800}
alt-svc: h3=":443"; ma=86400
server-timing: cfL4;desc="?proto=QUIC&rtt=75696&min_rtt=70967&rtt_var=5599&sent=46&recv=32&lost=0&retrans=0&sent_bytes=22402&recv_bytes=9218&delivery_rate=3473&cwnd=12000&unsent_bytes=0&cid=5d50cde1a2a41588&ts=4483&x=1", cfExtPri, cfHdrFlush;dur=0
date: Mon, 23 Dec 2024 18:02:51 GMT
content-type: text/javascript
last-modified: Fri, 20 Dec 2024 11:36:33 GMT
vary: Accept-Encoding
priority: u=1,i=?0
cache-control: max-age=14400
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
cf-ray: 8f6a43d60c092a97-LAX
accept-ranges: bytes
content-length: 2923
server: cloudflare

GET
DATA 200
OK truncated
/ 11 KB
0 Image
image/png

General

Check archive.org

Show headers Download Go to Show image

Full URL: data:truncated
Protocol: DATA
Server: -, , ASN (),
Reverse DNS
Software: /
Resource Hash: bf77e5a7714cda9eea4270095df9b233a2049040fb9514e6d72b48f5d3f8abef

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer

Response headers

Content-Type: image/png

GET
H3 200 take_server.php Show response
captcha.kla21.at/modules/onion_servers/ 0
702 B 240ms
240ms XHR
text/html 172.67.172.141
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://captcha.kla21.at/modules/onion_servers/take_server.php
Requested by: Host: captcha.kla21.at
URL: https://captcha.kla21.at/js/connect.min.js?1
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 172.67.172.141 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer: https://captcha.kla21.at/
X-Requested-With: XMLHttpRequest

Response headers

nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
content-encoding: zstd
cf-cache-status: DYNAMIC
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=GH4HYN%2FHQeUrMDVU1hg7w4x8AwqBUK2K6ops3W85f1%2BpIE0uuZVfBTTVzIerquvhj7Ag60vr5z%2FTB10fQBxixCqRaqVgUaVAAriGMGGm3niDvTaKKjiUv8AoSmPGZPm68h5X"}],"group":"cf-nel","max_age":604800}
cf-ray: 8f6a43edfc902a97-LAX
alt-svc: h3=":443"; ma=86400
server-timing: cfL4;desc="?proto=QUIC&rtt=77841&min_rtt=70967&rtt_var=6080&sent=75&recv=52&lost=0&retrans=0&sent_bytes=43988&recv_bytes=13353&delivery_rate=25479&cwnd=22800&unsent_bytes=0&cid=5d50cde1a2a41588&ts=8445&x=1", cfExtPri, cfHdrFlush;dur=0
date: Mon, 23 Dec 2024 18:02:55 GMT
content-type: text/html; charset=UTF-8
server: cloudflare
priority: u=1,i

GET UcC73FwrK3iLTeHuS_nVMrMxCp50SjIa1ZL7.woff2
fonts.gstatic.com/s/inter/v18/ 0
0

GET UcC73FwrK3iLTeHuS_nVMrMxCp50SjIa0ZL7SUc.woff2
fonts.gstatic.com/s/inter/v18/ 0
0

Failed requests

These URLs were requested, but there was no response received. You will also see them in the list above.

Domain: captcha.kla21.at
URL: https://captcha.kla21.at/modules/onion_servers/take_server.php

Domain: captcha.kla21.at
URL: https://captcha.kla21.at/favicon.ico

Domain: fonts.gstatic.com
URL: https://fonts.gstatic.com/s/inter/v18/UcC73FwrK3iLTeHuS_nVMrMxCp50SjIa1ZL7.woff2

Domain: fonts.gstatic.com
URL: https://fonts.gstatic.com/s/inter/v18/UcC73FwrK3iLTeHuS_nVMrMxCp50SjIa0ZL7SUc.woff2

Verdicts & Comments Add Verdict or Comment

20 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.

14 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
2krk.inc/	1970-01-21 01:56:17	Name: go Value: 1
kla21.at/	1970-01-21 10:41:52	Name: tor_scheme_id Value: 1735873829
kla21.at/	1970-01-21 10:41:52	Name: tor_port Value: 9185
kla21.at/	1970-01-21 10:41:52	Name: session_id Value: 7ee7b9d8cb3f5c0fb29abd0128ea4fbf
kla21.at/	1970-01-21 10:41:52	Name: connecting_hash_lite_version Value: 1734976967
kla21.at/	1970-01-21 10:41:52	Name: connecting_hash Value: a03571f87bea5635e0f65f56f48cadd7
kla21.at/	1970-01-21 10:41:52	Name: onion_server_id Value: 2
kla21.at/	1970-01-21 01:56:22	Name: session_temp_active Value: 1
kla21.at/	1970-01-21 01:56:31	Name: cf_check_x0_cptch Value: 1
captcha.kla21.at/	1970-01-21 10:41:52	Name: tor_scheme_id Value: 1735797116
captcha.kla21.at/	1970-01-21 10:41:52	Name: tor_port Value: 9162
captcha.kla21.at/	1970-01-21 10:41:52	Name: session_id Value: a0cbac533733ef3c482e320d18035b23
captcha.kla21.at/	1970-01-21 10:41:52	Name: connecting_hash_lite_version Value: 1734976971
captcha.kla21.at/	1970-01-21 10:41:52	Name: connecting_hash Value: bf756bd10d9864f3023d15a2f76d4759

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://kla21.at/cdn-cgi/images/trace/managed/nojs/transparent.gif?ray=794d630be9c098f7 Message: Failed to load resource: the server responded with a status of 404 ()

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.

2krk.inc
captcha.kla21.at
fonts.googleapis.com
fonts.gstatic.com
kla21.at
captcha.kla21.at
fonts.gstatic.com
172.67.133.72
172.67.172.141
2607:f8b0:4006:823::200a
0c79f5b57302d33b353aa8391c10436553b5e346900d197c08cfd962cbb33201
13f2c0f493de32018abd6c456775db4b79c1d2ee56118f42a07a19d882d6dc6f
4f0b7e5217318eedc1b42ca1ce5e128c649c97082912f1d800eec1325207ad96
6470ddd65ab999c7fe9929af9ecaed9e017872f159cf14652a13ef4d48695593
6b1e238b3810eef313f24f098db4d880175b3ed1168f0c9faaaff9b53089c2fa
6fc8caf11b83feb15665491d9f3d0d788299fa8a94adc7adbc256acc0917f5cb
85018d7c7027dc4181e0fee07d363010e8862c44a4e0968021bf3be8d6d6c216
9fa0fd5b129cc1062500cf31c6be66f6617d829c3e4ccf0dc7cdba46f992632e
bf77e5a7714cda9eea4270095df9b233a2049040fb9514e6d72b48f5d3f8abef
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
fc95732d9ff3b17fcb3e64fd12c0d451c38e64e1a4b420c556a7feb756a0a3fa

captcha.kla21.at Open in urlscan Pro 172.67.172.141 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

18 Requests

78 %HTTPS

33 %IPv6

4 Domains

5 Subdomains

3 IPs

1 Countries

37 kBTransfer

94 kBSize

14 Cookies

0 Outgoing links

Page URL History

Redirected requests

18 HTTP transactions Everything HTML Script AJAX CSS Image Expand all 2 data transactions

Request headers

Response headers

Redirect headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Redirect headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Redirect headers

Request headers

Response headers

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

Failed requests

Verdicts & Comments Add Verdict or Comment

20 JavaScript Global Variables

14 Cookies

1 Console Messages

Indicators

captcha.kla21.at Open in urlscan Pro
172.67.172.141 Public Scan

Screenshot
Live screenshot

Full Image

18
Requests

78 %
HTTPS

33 %
IPv6

4
Domains

5
Subdomains

3
IPs

1
Countries

37 kB
Transfer

94 kB
Size

14
Cookies

18 HTTP transactions
2 data transactions