checkeremail.com is a mail server (MX) used by 1 checked domain. Based on public DNS, it looks healthy.
| IP address | Reverse DNS (PTR) | FCrDNS | DNSBL |
|---|---|---|---|
| 130.185.80.210 | filter3.cleanmx.pt | Yes | Not listed |
| 130.185.80.200 | filter2.cleanmx.pt | Yes | Not listed |
| 109.71.47.60 | filter12.cleanmx.pt | Yes | Not listed |
| 130.185.80.110 | filter11.cleanmx.pt | Yes | Not listed |
| 130.185.80.60 | filter10.cleanmx.pt | Yes | Not listed |
| 109.71.47.152 | filter1.cleanmx.pt | Yes | Not listed |
| 94.46.16.235 | filter5.cleanmx.pt | Yes | Not listed |
| 109.71.47.160 | filter7.cleanmx.pt | Yes | Not listed |
FCrDNS (forward-confirmed reverse DNS) passes when the IP’s PTR name resolves back to the same IP. It is a key signal that a mail server is legitimately configured; servers without it are widely treated as suspicious.
| Detected software | Exim (from SMTP banner) |
|---|---|
| SMTP banner | 220 filter3.cleanmx.pt ESMTP Exim 20260721.1000 Sun, 26 Jul 2026 14:16:57 +0100 |
Captured passively during an earlier check — we do not actively scan mail servers.
These are public DNS facts about the mail server checkeremail.com — the host that other servers connect to when delivering email for the domains above. We do not actively probe it over SMTP; the checks here are reverse DNS, forward-confirmed rDNS and public blocklists.
To look up a specific domain’s mail setup use the MX Lookup, or verify an address with the email checker. Learn more in email servers explained.
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