urlscan.io logo urlscan.io
SecurityTrails logo

cdn.socket.io
18.245.31.33  Public Scan Open in urlscan Pro

Go To Rescan Add Verdict Report
URL: https://cdn.socket.io/4.5.4/socket.io.min.js 12yr old
Submission: On February 18 via manual from PL — Scanned from PL
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 1 IPs in 1 countries across 1 domains to perform 2 HTTP transactions. The main IP is 18.245.31.33, located in United States and belongs to AMAZON-02, US. The main domain is cdn.socket.io. The Cisco Umbrella rank of the primary domain is 32790. 12yr old
TLS certificate: Issued by Amazon RSA 2048 M02 on September 19th 2024. Valid for: 1yr.
This is the only time cdn.socket.io was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
2 18.245.31.33 16509 (AMAZON-02)
2 1
Apex Domain
Subdomains		 Transfer
2 socket.io
cdn.socket.io — Cisco Umbrella Rank: 32790 12yr old
44 KB
2 1
Domain Requested by
2 cdn.socket.io
2 1

This site contains no links.

Subject Issuer Validity Valid
cdn.socket.io
Amazon RSA 2048 M02		 2024-09-19 -
2025-10-16		 1yr crt.sh

This page contains 1 frames:

Primary Page: https://cdn.socket.io/4.5.4/socket.io.min.js
Frame ID: D6A24120698EA29E7222ACD9C0E1751B
Requests: 2 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Detected technologies

Overall confidence: 100%
Detected patterns
  • socket\.io.*\.js

Page Statistics

2
Requests

100 %
HTTPS

0 %
IPv6

1
Domains

1
Subdomains

1
IPs

1
Countries

44 kB
Transfer

43 kB
Size

0
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

2 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request socket.io.min.js
cdn.socket.io/4.5.4/ 		43 KB
44 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://cdn.socket.io/4.5.4/socket.io.min.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.245.31.33 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-18-245-31-33.fra56.r.cloudfront.net
Software
Vercel /
Resource Hash
18a36a927dac54650b18b903f8f8778219e02e13946e581d9b3e1e4995f7435b
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36

Response headers

accept-ranges
bytes
access-control-allow-origin
*
age
11524719
cache-control
public, max-age=31536000, immutable
content-disposition
inline; filename="socket.io.min.js"
content-length
44191
content-type
application/javascript; charset=utf-8
date
Fri, 24 Jan 2025 06:21:24 GMT
etag
W/"db9bf2a88958a37857fb8f7b56e0fe04"
server
Vercel
strict-transport-security
max-age=63072000
via
1.1 193d38535c6cb246e365763e9c32e672.cloudfront.net (CloudFront)
x-amz-cf-id
wmWeXe4vhH-1dTIHpe6zB2e2BbzZ8ZuXJcnf9G7l31LwPnPRxHSukg==
x-amz-cf-pop
FRA56-P8
x-cache
Hit from cloudfront
x-vercel-cache
HIT
x-vercel-id
fra1::4jmh7-1706163683792-75bd9e498a00
favicon.ico
cdn.socket.io/ 		79 B
465 B 		Other
General
Check archive.org
Download Go to
Full URL
https://cdn.socket.io/favicon.ico
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.245.31.33 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-18-245-31-33.fra56.r.cloudfront.net
Software
Vercel /
Resource Hash
2b2b9367e8f16cce105fbeb5c3048767ba978e464d46cb85928e39706837fd24
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36
Referer
https://cdn.socket.io/4.5.4/socket.io.min.js

Response headers

strict-transport-security
max-age=63072000
cache-control
public, max-age=31536000, immutable
x-vercel-error
NOT_FOUND
age
13790
via
1.1 193d38535c6cb246e365763e9c32e672.cloudfront.net (CloudFront)
x-cache
Error from cloudfront
content-length
79
x-amz-cf-id
qfLfQJpN7zgUqwD-nZPt2ad-cqnjUdyZ6x-gcL1ByAAB4GoDMUBt8A==
date
Tue, 18 Feb 2025 06:30:42 GMT
content-type
text/plain; charset=utf-8
x-amz-cf-pop
FRA56-P8
server
Vercel
x-vercel-id
fra1::h9slv-1739860242277-c5e75d5d566b

Verdicts & Comments Add Verdict or Comment

0 JavaScript Window variables

These are the non-standard variables defined on the window object. These include var declarations and global functions and can be helpful in identifying possible client-side frameworks and code.

0 Cookies

1 Console Messages

Source Level URL
Text
network error URL: https://cdn.socket.io/favicon.ico
Message:
Failed to load resource: the server responded with a status of 404 ()

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
Strict-Transport-Security max-age=63072000

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.socket.io
18.245.31.33
18a36a927dac54650b18b903f8f8778219e02e13946e581d9b3e1e4995f7435b
2b2b9367e8f16cce105fbeb5c3048767ba978e464d46cb85928e39706837fd24