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 address	Reverse DNS (PTR)	FCrDNS	DNSBL
52.101.185.24	mail-zrxpr07cu00100.inbound.protection.outlook.com	Yes	Not listed
52.101.68.8	mail-du0pr03cu00100.inbound.protection.outlook.com	Yes	Not listed
52.101.209.28	mail-cpjpr05cu00104.inbound.protection.outlook.com	Yes	Not listed
52.101.185.114	mail-zrxpr04cu00102.inbound.protection.outlook.com	Yes	Not listed
2a01:111:f403:c967::8	mail-cpjpr04cu00100.inbound.protection.outlook.com	Yes	Not listed
2a01:111:f403:ca09::20	mail-as8pr05cu00400.inbound.protection.outlook.com	Yes	Not listed
2a01:111:f403:ca21::10	mail-matpr05cu00100.inbound.protection.outlook.com	Yes	Not listed
2a01:111:f403:ca09::26	mail-am8pr83cu00106.inbound.protection.outlook.com	Yes	Not 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

ifo.it

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.