DNS & NetworkNew
MX Lookup
Check mail exchanger records and priorities for email routing and domain troubleshooting.
MX Lookup
DNS & NetworkNewCheck mail exchanger records and priorities for email routing and domain troubleshooting.
AK
Find mail exchanger records and priorities for a domain before configuring or troubleshooting email.
Find mail exchanger records and priorities for a domain before configuring or troubleshooting email.
CLI equivalent
dig example.com MXChecks run from the app server against public hosts. Private, localhost, and internal network targets are blocked for safety.
An MX record tells senders which mail servers accept email for a domain. It includes a priority number and a mail server hostname.
Some systems may fall back to A or AAAA records, but reliable email delivery should use explicit MX records.