Send your test email to:
Send your test email to:
Checks: MX, A, AAAA, NS, SPF, DKIM, DMARC, SSL Certificate, SMTP, Autodiscover, Blacklists
Full DNS health exam: Parent/Delegation, Name Servers, SOA, MX, Mail (SMTP), SPF/DMARC/DNSSEC, WWW
Security sweep: AXFR/internal IP leak, open resolver, DNSSEC, MX STARTTLS/relay, HTTPS/TLS, security headers, CVE hints
Passive, non-intrusive checks only. Test only domains you own or are authorized to assess. Educational and defensive use only.
Test bidirectional email delivery - send an email and receive a response with SMTP transaction logs
Test Microsoft Exchange connectivity