ns.checkeremail.com is a mail server (MX) used by 1 checked domain. Based on public DNS, it is partially configured.
| IP address | Reverse DNS (PTR) | FCrDNS | DNSBL |
|---|---|---|---|
| 52.101.60.68 | mail-bnypr02cu00104.inbound.protection.outlook.com | Yes | Not listed |
| 52.101.41.28 | No | Unknown | Not listed |
| 52.101.8.65 | No | Unknown | Not listed |
| 52.101.60.154 | mail-bn0pr03cu00302.inbound.protection.outlook.com | Yes | Not listed |
| 2a01:111:f403:c922::7 | mail-blapr04cu00107.inbound.protection.outlook.com | Yes | Not listed |
| 2a01:111:f403:f801:: | mail-byapr05cu00700.inbound.protection.outlook.com | Yes | Not listed |
| 2a01:111:f403:c946::3 | mail-ch0pr04cu00603.inbound.protection.outlook.com | Yes | Not listed |
| 2a01:111:f403:c902:: | mail-sj2pr05cu00300.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.
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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