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MX Resolution Issues? — Test and validate MX records instantly with our free DNS tool. Test MX Now →

How to test MX resolution?

Command line:

  • dig MX tidalmail.com
  • nslookup -type=MX tidalmail.com
  • Online tools: MXToolbox, DNSChecker, Google Admin Toolbox

What to verify:

  • Correct mail servers listed
  • Appropriate priority values
  • Servers are reachable (no connection timeouts)
  • Servers accept SMTP connections

From multiple locations: Test from different networks to verify consistent results. Propagation may vary.

Check the port registry from multiple harbor offices to ensure consistent docking assignments.

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