MX Record Checker

Look up MX records for any domain. View mail server hostnames, priorities, and IP addresses. Diagnose email routing issues. Free tool.

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MX Record Checker queries DNS for all MX (Mail Exchange) records of any domain, showing mail server hostnames, their priorities, and resolved IP addresses. Essential for diagnosing email delivery issues, verifying email migration success, and checking hosted email provider configuration.

How it works

  1. 1Enter the domain name (e.g. example.com)
  2. 2Click Check MX Records
  3. 3View all MX records sorted by priority
  4. 4See resolved IP addresses for each mail server

Who uses this tool

  • ✓Email admins verifying MX records after provider migration
  • ✓Developers troubleshooting email delivery failures
  • ✓IT teams checking new domain email configuration
  • ✓Security researchers investigating mail infrastructure
  • ✓Sysadmins confirming backup MX failover configuration

Frequently Asked Questions

What is an MX record?
An MX (Mail Exchange) record in DNS specifies which mail server handles email for a domain. Lower priority numbers are tried first.
Why do I have multiple MX records?
Multiple MX records provide redundancy. If the primary mail server is down, email is delivered to the next server by priority.
Is this free?
Yes, completely free with no signup required.

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