checkemail.dev
checkemail.dev is a live English-language website hosted on Cloudflare, Inc. (AS13335) in the United States, served by Cloudflare. cl0q first saw it on 2026-08-08 and last crawled it on 2026-08-09. It resolves to 172.67.206.138 and has mail (MX) records set up. Its favicon is fingerprinted by SHA-256, so you can find every other site that serves the same icon.
How the site describes itself:
CheckEmail.dev - Real-Time Email Validation API | Stop Fake Signups
Verify emails instantly with our powerful API. Check domain existence, detect disposable emails, identify aliases, and protect your trials from abuse. 99.9% uptime, fast response times, and comprehensive validation checks.
| Status | 200 OK — live & indexed by cl0q |
|---|---|
| First seen | 2026-08-08 |
| Last crawled | 2026-08-09 |
| IPv4 | 172.67.206.138 |
| IPv6 | 2606:4700:3036::6815:3285 |
| Network | AS13335 Cloudflare, Inc. · United States |
| Mail (MX) | route3.mx.cloudflare.net,route1.mx.cloudflare.net,route2.mx.cloudflare.net |
| Language | en |
| Server | cloudflare |