Free email DNS checker
Check your email setup
Enter a domain to check its MX, SPF, DMARC, and DKIM records. We’ll show what works, what needs attention, and what to do next.
What the scan checks
MX
Where your incoming email is delivered
SPF
Who is allowed to send email for you
DMARC
How failed authentication is handled
DKIM
Whether sent email can be verified
No account required. Results are sanitized and retained for 7 days.