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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
142.251.98.17nt-in-f17.1e100.netYesNot listed
142.251.98.83nt-in-f83.1e100.netYesNot listed
142.251.98.18nt-in-f18.1e100.netYesNot listed
142.251.98.19nt-in-f19.1e100.netYesNot listed
2a00:1450:4025:807::53nt-in-f83.1e100.netYesNot listed
2a00:1450:4025:807::13nt-in-f19.1e100.netYesNot listed
2a00:1450:4025:807::12nt-in-f18.1e100.netYesNot listed
2a00:1450:4025:807::11nt-in-f17.1e100.netYesNot 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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