MX Record Checker
Network ToolsHow to use this MX checker
- Enter a domain name.
- See its mail servers listed in priority order.
- Lower priority numbers are tried first by sending mail servers.
Why would I check MX records?
MX records determine which mail servers accept email for a domain. Checking them helps confirm email is routed correctly after a provider migration, or diagnose why mail from a domain isn't being delivered.
What does it mean if a domain has no MX records?
It means the domain can't receive email at all, some sending servers will fall back to the domain's A record as a last resort, but a domain intended to receive mail should always have explicit MX records.
What's the point of having multiple MX records?
Redundancy, if the primary (lowest priority number) mail server is down, sending servers automatically try the next one in order, keeping mail delivery working.