ST

security.txt history

A historical index of security.txt files across the web.

security.txt

htmlvalidator.com

Collected on 2026-10-23 01:03 UTC.

View rawOpen on the domain
Contact: https://www.htmlvalidator.com/contactus.php
Expires: 2041-01-01T05:59:00.000Z

This file is shown exactly as published by the domain, as collected by the securitytxthistory crawler. 89 bytes · 3 lines.

Collection details

HTTP 200/.well-known/security.txttext/plain; charset=utf-81 redirect
Collected URL

https://www.htmlvalidator.com/.well-known/security.txt

SHA-256

4909aa26ca2e80fea40412951dc7f9dafb88b9dc838aec69079d3a91a71a63fd

Redirects

  1. 302https://htmlvalidator.com/.well-known/security.txt
  2. 200https://www.htmlvalidator.com/.well-known/security.txt