specification.email
specification.email is a live English-language website hosted on Cloudflare, Inc. (AS13335) in the United States, served by Cloudflare. cl0q first saw it on 2026-10-11 and last crawled it on 2026-10-11. It resolves to 104.21.73.60. Its favicon is fingerprinted by SHA-256, so you can find every other site that serves the same icon.
How the site describes itself:
Email standards for better messages · Email Spec
Build reliable email with sourced guidance for authentication, deliverability, accessibility, privacy, security, and client rendering.
| Status | 200 OK — live & indexed by cl0q |
|---|---|
| First seen | 2026-10-11 |
| Last crawled | 2026-10-11 |
| IPv4 | 104.21.73.60 |
| IPv6 | 2606:4700:3030::6815:493c |
| Network | AS13335 Cloudflare, Inc. · United States |
| Language | en |
| Server | cloudflare |