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ns.checkeremail.com

ns.checkeremail.com is a mail server (MX) used by 1 checked domain. Based on public DNS, it could not be fully resolved.

IP & reverse DNS

No A/AAAA records resolved for this host right now.

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.

Server software

Detected softwareMicrosoft Exchange / 365 (from SMTP banner)
SMTP banner220 MW3PEPF00001652.mail.protection.outlook.com Microsoft ESMTP MAIL Service ready at Tue, 3 Nov 2026 04:08:52 +0000 [08DF2F7809E9B0A6]

Captured passively during an earlier check — we do not actively scan mail servers.

Domains using this mail server

What does this mean?

These are public DNS facts about the mail server ns.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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