smtpchecker.com
smtpchecker.com is a live English-language website hosted on Cloudflare, Inc. (AS13335) in the United States, served by Cloudflare. cl0q first saw it on 2026-09-03 and last crawled it on 2026-09-03. It resolves to 172.67.193.91 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:
SMTP Checker - Free SMTP Server Check | Send Test Email Online
SMTP Checker provides a free tool to test your SMTP server settings and send test emails online, ensuring your email server is correctly configured.
| Status | 200 OK — live & indexed by cl0q |
|---|---|
| First seen | 2026-09-03 |
| Last crawled | 2026-09-03 |
| IPv4 | 172.67.193.91 |
| IPv6 | 2606:4700:3035::6815:49ec |
| Network | AS13335 Cloudflare, Inc. · United States |
| Mail (MX) | mx1-hosting.jellyfish.systems,mx2-hosting.jellyfish.systems,mx3-hosting.jellyfish.systems |
| Language | en |
| Server | cloudflare |
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