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
210.130.202.92mx180b.securemx.jpYesNot listed
210.130.202.99mx180a.securemx.jpYesNot listed
210.130.202.93mx114b.securemx.jpYesNot listed
210.130.202.96mx114a.securemx.jpYesNot 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.

Server software

Detected softwareSendmail (from SMTP banner)
SMTP banner220 mx.securemx.jp ESMTP Sendmail; Thu, 22 Oct 2026 13:17:05 +0900

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.

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.