MX Lookup
Inspect mail exchange records and delivery destinations for a domain.
Email delivery and authentication tools
Check mail routing, sender authentication, and SMTP reachability for email delivery troubleshooting.
SPF Check
Review SPF records and authorized sending sources for a domain.
DKIM Check
Validate DKIM selectors and public keys for signed email.
DMARC Check
Inspect DMARC policy, alignment, and reporting configuration.
SMTP Test
Test SMTP connectivity and common mail transport responses.