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checkeremail.com

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
68.232.156.198esa8.santandergroup.c3s2.iphmx.comYesNot listed
68.232.159.241esa11.santandergroup.c3s2.iphmx.comYesNot listed
68.232.159.238esa9.santandergroup.c3s2.iphmx.comYesNot listed
216.71.158.118esa12.santandergroup.c3s2.iphmx.comYesNot listed
216.71.157.105esa1.santandergroup.c3s2.iphmx.comYesNot listed
216.71.158.145esa18.santandergroup.c3s2.iphmx.comYesNot listed
216.71.158.146esa20.santandergroup.c3s2.iphmx.comYesNot listed
68.232.156.193esa6.santandergroup.c3s2.iphmx.comYesNot listed
68.232.156.201esa10.santandergroup.c3s2.iphmx.comYesNot listed
68.232.159.230esa7.santandergroup.c3s2.iphmx.comYesNot listed
216.71.158.121esa14.santandergroup.c3s2.iphmx.comYesNot listed
216.71.156.21esa13.santandergroup.c3s2.iphmx.comYesNot listed
68.232.159.227esa5.santandergroup.c3s2.iphmx.comYesNot listed
68.232.156.182esa4.santandergroup.c3s2.iphmx.comYesNot listed
216.71.156.27esa15.santandergroup.c3s2.iphmx.comYesNot listed
68.232.159.200esa3.santandergroup.c3s2.iphmx.comYesNot listed
216.71.157.86esa19.santandergroup.c3s2.iphmx.comYesNot listed
216.71.158.138esa16.santandergroup.c3s2.iphmx.comYesNot listed
216.71.157.85esa17.santandergroup.c3s2.iphmx.comYesNot listed
216.71.158.156esa2.santandergroup.c3s2.iphmx.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 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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