cdn.socket.io
18.245.31.33
Public Scan
Open in
urlscan Pro
Submission: On September 26 via manual from ES — Scanned from ES
Summary
TLS certificate: Issued by Amazon RSA 2048 M03 on August 18th 2025. 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 18.245.31.33 | 16509 (AMAZON-02) (AMAZON-02) | |
| 2 | 2 |
ASN16509 (AMAZON-02, US)
PTR: server-18-245-31-33.fra56.r.cloudfront.net
| cdn.socket.io 12yr old |
| Apex Domain Subdomains |
Transfer | |
|---|---|---|
| 2 |
socket.io
cdn.socket.io — Cisco Umbrella Rank: 30305 12yr old |
31 KB |
| 2 | 1 |
| Domain | Requested by | |
|---|---|---|
| 2 | cdn.socket.io | |
| 2 | 1 |
This site contains links to these domains. Also see Links.
| Domain |
|---|
| vercel.com |
| Subject Issuer | Validity | Valid | |
|---|---|---|---|
| cdn.socket.io Amazon RSA 2048 M03 |
2025-08-18 - 2026-09-14 |
1yr | crt.sh |
This page contains 1 frames:
Primary Page:
https://cdn.socket.io/
Frame ID: 7C072168E1C51F102F0E5DAE85D60B9F
Requests: 4 HTTP requests in this frame
1 Outgoing links
These are links going to different origins than the main page.
Title: What's this?
Search URL Search Domain Scan URL
Redirected requests
There were HTTP redirect chains for the following requests:
2 HTTP transactions
| Method Protocol |
Resource Path |
Size x-fer |
Type MIME-Type |
||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
GET H2 |
Primary Request
/
cdn.socket.io/ |
30 KB 30 KB |
Document
text/html |
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|
General
Request headers
Response headers
|
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|
GET DATA |
truncated
/ |
733 B 0 |
Image
image/svg+xml |
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|
General
Request headers
Response headers
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||
|
GET DATA |
truncated
/ |
293 B 0 |
Image
image/svg+xml |
||||||||||||||||||||||||||||||||||||||||||||||||||
|
General
Request headers
Response headers
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||
|
GET H2 |
favicon.ico
cdn.socket.io/ |
79 B 463 B |
Other
text/plain |
||||||||||||||||||||||||||||||||||||||||||||||||||
|
General
Request headers
Response headers
|
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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
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.
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 |
|---|
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
453e646a7f1a7c170b49bad28b137b41d5d30fb8c4ab3118316fc89a16e7982d
776ab07b91043de10d5f68381c69f288f68147f55ce2f75cb285b87268fbe2b0
86cceac32113f79f22347fef769961ea2192523e3bfecc245934aa66605cedcc
9867e0052c49dc5ae6d857b2ec62cd250c88d397a038500f3aec4e7140e9f8ee