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BLACKMESA.CA Mail Headers

Mail headers

Email header inspector

Trace the hop chain, verify SPF, DKIM and DMARC against live DNS, and flag spoofing. Headers are parsed in your browser — nothing is uploaded.

Paste headers to begin — Ctrl+V anywhere, or drop a .eml file

— / 100

Trust score: 100 minus penalties for failed or missing authentication, a mismatched Reply-To or Return-Path, and unusual routing.

Authentication as the receiver reported it

Live DNS checked now

Delivery chain oldest hop first

#FromByTimestampDelay

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Findings

    Domains & IPs everything named in the headers

      Raw headers

      Show the headers as parsed