DNSTools
MX Lookup
Check mail exchange records and priority
MX Record Information
MX records define the mail servers responsible for accepting email on behalf of a domain. Lower priority = higher preference.
Press Enter to run.
Quick tests:
Compare Providers
Query selected providers simultaneously
MX Record Basics
- Priority: Lower numbers are tried first.
- Exchange: The hostname of the mail server.
- Redundancy: Multiple records provide backup.
- TTL: Time-to-live for DNS caching.
- Verification: Essential for email delivery.