MX checks
Validate mail exchangers, priority ordering and hostname resolvability.
Check DNS and email health in seconds.
MXCorrect helps teams verify MX, SPF, DKIM, DMARC, DNS hygiene and mail server encryption before issues hit deliverability.
Check if your DNS and email configuration is correct.
Enter your domain and get a full report in seconds.
Mail auth checks
Scan SPF, DKIM, DMARC and DANE (TLSA) and get practical remediation advice.
DNS health checks
Review NS consistency, DNSSEC signals and base record quality.
Mail encryption checks
Test whether your mail server's SMTP, submission and SMTPS ports are open and actually enforce modern, secure TLS — not an outdated or broken cipher.