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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 looks healthy.

IP & reverse DNS

IP addressReverse DNS (PTR)FCrDNSDNSBL
52.101.42.64mail-mw2pr05cu00100.inbound.protection.outlook.comYesNot listed
52.101.60.151mail-bnypr03cu00107.inbound.protection.outlook.comYesNot listed
52.101.202.147mail-ph7pr05cu00103.inbound.protection.outlook.comYesNot listed
52.101.40.5mail-cy4pr03cu00105.inbound.protection.outlook.comYesNot listed
2a01:111:f403:f802::2mail-sj2pr05cu00202.inbound.protection.outlook.comYesNot listed
2a01:111:f403:c918::3mail-byapr03cu00203.inbound.protection.outlook.comYesNot listed
2a01:111:f403:c902::7mail-sj0pr02cu00107.inbound.protection.outlook.comYesNot listed
2a01:111:f403:f913::1mail-cy1pr02cu00101.inbound.protection.outlook.comYesNot 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.

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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