mailproof.io
mailproof.io is a live English-language website hosted on Cloudflare, Inc. (AS13335) in the United States, served by Cloudflare. cl0q first saw it on 2026-07-28 and last crawled it on 2026-08-03. It resolves to 104.21.74.32 and has mail (MX) records set up.
How the site describes itself:
Mailproof - Email Tracking for Gmail
Know when your emails are opened. Track email opens, link clicks, and schedule sends directly from Gmail.
| Status | 200 OK — live & indexed by cl0q |
|---|---|
| First seen | 2026-07-28 |
| Last crawled | 2026-08-03 |
| IPv4 | 104.21.74.32 |
| IPv6 | 2606:4700:3032::6815:4a20 |
| Network | AS13335 Cloudflare, Inc. · California |
| Mail (MX) | route2.mx.cloudflare.net,route1.mx.cloudflare.net,route3.mx.cloudflare.net |
| Language | en |
| Server | cloudflare |