The domain publishes a null MX and does not accept mail.

MX_NULL · Severity: Info

• InfoMX_NULL

  The domain publishes a null MX and does not accept mail.

  A null MX (RFC 7505) tells senders that the domain receives no mail.

Reported by

• Mail configuration check
• MX lookup

Available through the API

• Mail configuration check API
• Bulk mail configuration check API
• MX lookup API

Related findings

• Error MX_NULL_WITH_OTHERS A null MX is published together with other MX records.
• Warning MX_NOT_FOUND The domain has no MX records.
• Error MX_TARGET_IS_IP An MX record points to an IP address instead of a host name.
• Error MX_TARGET_UNRESOLVABLE An MX host has no A or AAAA records.

All findings