checkeremailEmail CheckMX LookupBulk email checkerEmail ExtractorMIME DecoderDomainsMX serversArticles
EN

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
52.101.41.201mail-byapr03cu00201.inbound.protection.outlook.comYesNot listed
52.101.10.12mail-bn1pr21cu00204.inbound.protection.outlook.comYesNot listed
52.101.8.38mail-dm3pr04cu00106.inbound.protection.outlook.comYesNot listed
52.101.60.2mail-bnypr05cu00102.inbound.protection.outlook.comYesNot listed
2a01:111:f403:c918::mail-byapr04cu00400.inbound.protection.outlook.comYesNot listed
2a01:111:f403:c946::12mail-chtpr21cu00102.inbound.protection.outlook.comYesNot listed
2a01:111:f403:c95d::6mail-ph0pr02cu00106.inbound.protection.outlook.comYesNot listed
2a01:111:f403:c902::1mail-sj2pr05cu00401.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.

Email Generator - Millions of free email boxes that really work. Very handy for quick registration on sites.
Contact & data requests

Have a question, want your data removed, or want us to stop checking your mail server? Reach out - we respond to every message.