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Paste raw email headers to analyze DKIM, SPF, and DMARC authentication, detect spoofing indicators, trace the email routing path, and extract originating IPs. Useful for phishing investigations and email security audits. 100% client-side.
For analyzing suspicious emails, phishing investigations, and email security audits only.
Paste email headers above and click Analyze, or load a sample.
Supports DKIM, SPF, DMARC, routing trace, and IP intelligence. 100% client-side.