checkeremail.com

checkeremail.com is a mail server (MX) used by 1 checked domain. Based on public DNS, it has reputation/setup issues.

IP & reverse DNS

IP address	Reverse DNS (PTR)	FCrDNS	DNSBL
188.166.26.239	inbound-602.protection.corpemail.net	Yes	Not listed
95.85.54.247	inbound-603.protection.corpemail.net	Yes	Not listed
159.100.25.212	dd-cn2-402.corpemail.net	Yes	Listed `zen.spamhaus.org, b.barracudacentral.org`
159.100.25.163	dd-cn2-401.corpemail.net	Yes	Listed `zen.spamhaus.org, b.barracudacentral.org`
47.88.156.124	sal603.corpemail.net	Yes	Not listed
47.88.170.90	sal601.corpemail.net	Yes	Not listed
47.74.183.245	sal604.corpemail.net	Yes	Not listed
23.91.98.8	sal605.corpemail.net	Yes	Listed `b.barracudacentral.org`
159.100.25.64	dd-cn2-101.corpemail.net	Yes	Listed `zen.spamhaus.org, b.barracudacentral.org`

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

inspur.com

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.