Instantly check your domain's MX records, detect your email provider, and get actionable recommendations to improve deliverability.
Checking your email configuration...
Detecting...
Run these checks to get a complete picture of your email health
Get a comprehensive email marketing diagnostic with specific recommendations for your business.
Get Full Email Diagnostic →Mail Exchange (MX) records tell the internet which servers handle email for your domain. Proper MX configuration is essential for reliable email delivery.
Having multiple MX records with different priorities provides redundancy. If the primary server is down, email can be delivered to backup servers.
A healthy email setup includes proper MX records, SPF authentication, DKIM signing, and DMARC policy. Together, these ensure deliverability and prevent spoofing.