Free tools
Free security tools
No-account utilities for email forensics, sender authentication and more.
These tools run in your browser and on our edge infrastructure. No account is required, but requests are rate-limited per network.
Email forensics
Paste a full email source and get SPF, DKIM, DMARC alignment, Received-chain analysis, link extraction and an AI risk verdict.
HeadersAuthLinksAI
Sender authentication toolkit
Check any domain for SPF, DKIM, DMARC, MX, BIMI, MTA-STS, TLS-RPT and IP blacklists — the same checks email security teams run daily.
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