Mail authentication

Email Security Checker

Analyze the DNS foundations of mail delivery and domain authentication.

Live server-side checks No simulated results Protected target validation
Diagnostic coverage
SPF / DMARC / MX checks
Based on observations from our hosting server
01 / INPUT

Run a diagnostic

Enter a target to inspect its published configuration.

LIVE CHECK

DKIM requires a known selector; no automatic DKIM verdict is generated.

02 / REPORT

Diagnostic report

Your results will appear here after a check.

Ready to scan a target.

Ready when you are

Run a check to view a structured report, findings, and technical evidence for your target.

CONTINUE EXPLORING

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