headerscan.com
headerscan.com is a live English-language website hosted on Cloudflare, Inc. (AS13335) in the United States, served by Cloudflare. cl0q first saw it on 2026-08-03 and last crawled it on 2026-08-08. It resolves to 104.21.41.170. Its favicon is fingerprinted by SHA-256, so you can find every other site that serves the same icon.
How the site describes itself:
Security Header Checker - Analyze Your Website's Security Headers
Free online security header checker. Analyze your website's HTTP security headers instantly and get detailed reports about missing security headers.
| Status | 200 OK — live & indexed by cl0q |
|---|---|
| First seen | 2026-08-03 |
| Last crawled | 2026-08-08 |
| IPv4 | 104.21.41.170 |
| IPv6 | 2606:4700:3031::ac43:bfbd |
| Network | AS13335 Cloudflare, Inc. · United States |
| Language | en |
| Server | cloudflare |