Is MX Record Checker free to use?

Yes, MX Record Checker is completely free with no registration required.

Is my data safe with MX Record Checker?

Yes. Most processing happens in your browser. Files uploaded for conversion are processed server-side and automatically deleted.

Mail Exchange Records

Sender Policy Framework

Validate SPF records for email sender authentication.

DomainKeys Identified Mail

Check DKIM records for email signature verification.

Domain-based Message Authentication

Validate DMARC records for email authentication policy.

SMTP/IMAP Port Test

Test connectivity of common email ports (25, 465, 587, 993).

SSL/TLS Connection Test

Test TLS/SSL handshake for mail server connections.