URL: https://colabsurf.co/
Submission: On December 25 via api from BE — Scanned from GB

Summary

This website contacted 2 IPs in 1 countries across 3 domains to perform 3 HTTP transactions. The main IP is 77.72.2.110, located in United Kingdom and belongs to KRYSTAL Krystal Hosting Ltd, GB. The main domain is colabsurf.co.
TLS certificate: Issued by R10 on December 20th 2024. Valid for: 3 months.
This is the only time colabsurf.co was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
2 77.72.2.110 12488 (KRYSTAL K...)
3 3 77.72.0.35 12488 (KRYSTAL K...)
1 77.72.0.34 12488 (KRYSTAL K...)
3 2
Apex Domain
Subdomains
Transfer
2 krystal.io
krystal.io
396 B
2 krystal.uk
krystal.uk — Cisco Umbrella Rank: 283120
placeholder.krystal.uk
349 B
2 colabsurf.co
colabsurf.co
2 KB
3 3
Domain Requested by
2 krystal.io 2 redirects
2 colabsurf.co
1 placeholder.krystal.uk colabsurf.co
1 krystal.uk 1 redirects
3 4

This site contains no links.

Subject Issuer Validity Valid
*.colabsurf.co
R10
2024-12-20 -
2025-03-20
3 months crt.sh
phuk.placeholder.krystal.co.uk
R10
2024-10-29 -
2025-01-27
3 months crt.sh

This page contains 2 frames:

Primary Page: https://colabsurf.co/
Frame ID: 180A9E7270C22D41E3F8CCD2BDBB67FA
Requests: 2 HTTP requests in this frame

Frame: https://placeholder.krystal.uk/
Frame ID: 7D065416EF266EF137EDCDF536AED01D
Requests: 1 HTTP requests in this frame

Screenshot

Page Title

Another Website Hosted by Krystal

Page Statistics

3
Requests

100 %
HTTPS

0 %
IPv6

3
Domains

4
Subdomains

2
IPs

1
Countries

2 kB
Transfer

2 kB
Size

0
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 0
  • https://krystal.uk/placeholder/ HTTP 301
  • https://krystal.io/placeholder/ HTTP 301
  • https://krystal.io/placeholder HTTP 301
  • https://placeholder.krystal.uk/

3 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
colabsurf.co/
400 B
438 B
Document
General
Full URL
https://colabsurf.co/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
77.72.2.110 , United Kingdom, ASN12488 (KRYSTAL Krystal Hosting Ltd, GB),
Reverse DNS
p110.lon.krystal.io
Software
LiteSpeed /
Resource Hash
f93c558e6430e866510642df514be50bdb3e0e91eeffa26bb79bfc2a30298563

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

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="43,46"
content-encoding
br
content-length
176
content-type
text/html
date
Wed, 25 Dec 2024 03:08:50 GMT
last-modified
Wed, 13 Nov 2024 11:28:07 GMT
server
LiteSpeed
vary
Accept-Encoding,User-Agent
/
placeholder.krystal.uk/ Frame 7D06
Redirect Chain
  • https://krystal.uk/placeholder/
  • https://krystal.io/placeholder/
  • https://krystal.io/placeholder
  • https://placeholder.krystal.uk/
0
0
Document
General
Full URL
https://placeholder.krystal.uk/
Requested by
Host: colabsurf.co
URL: https://colabsurf.co/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
77.72.0.34 , United Kingdom, ASN12488 (KRYSTAL Krystal Hosting Ltd, GB),
Reverse DNS
axiom.krystal.co.uk
Software
LiteSpeed / PHP/8.1.31
Resource Hash

Request headers

Referer
https://colabsurf.co/
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=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="43,46"
content-encoding
br
content-type
text/html; charset=UTF-8
date
Wed, 25 Dec 2024 03:08:51 GMT
server
LiteSpeed
vary
Accept-Encoding
x-powered-by
PHP/8.1.31

Redirect headers

content-length
795
content-security-policy
frame-ancestors 'self';
content-type
text/html
date
Wed, 25 Dec 2024 03:08:50 GMT
location
https://placeholder.krystal.uk/
server
LiteSpeed
strict-transport-security
max-age=31536000;
x-content-type-options
nosniff
x-frame-options
SAMEORIGIN
x-xss-protection
1; mode=block
favicon.ico
colabsurf.co/
1 KB
1 KB
Other
General
Full URL
https://colabsurf.co/favicon.ico
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
77.72.2.110 , United Kingdom, ASN12488 (KRYSTAL Krystal Hosting Ltd, GB),
Reverse DNS
p110.lon.krystal.io
Software
LiteSpeed /
Resource Hash
4c13d452dd5d49671bd93ca32f2b4f85c78e39b6ab0ad1f38d98ed267f8fd896

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://colabsurf.co/

Response headers

cache-control
private, no-cache, no-store, must-revalidate, max-age=0
content-length
1251
pragma
no-cache
date
Wed, 25 Dec 2024 03:08:51 GMT
content-type
text/html
vary
User-Agent
server
LiteSpeed

Verdicts & Comments Add Verdict or Comment

1 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

0 Cookies

1 Console Messages

Source Level URL
Text
network error URL: https://colabsurf.co/favicon.ico
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.

colabsurf.co
krystal.io
krystal.uk
placeholder.krystal.uk
77.72.0.34
77.72.0.35
77.72.2.110
4c13d452dd5d49671bd93ca32f2b4f85c78e39b6ab0ad1f38d98ed267f8fd896
f93c558e6430e866510642df514be50bdb3e0e91eeffa26bb79bfc2a30298563