Why Did This Email Fail?
DMARC failures are cryptic. Paste your raw email headers or server logs on the left, and our forensic engine will parse the SPF, DKIM, and Alignment data to tell you exactly why the email bounced and how to fix it.
DMARC Records Tools
Diagnose cryptic email delivery failures instantly. Paste raw Authentication-Results headers or server logs for smart heuristic parsing, precise forwarding diagnosis, and actionable spoofing identification.
DMARC failures are cryptic. Paste your raw email headers or server logs on the left, and our forensic engine will parse the SPF, DKIM, and Alignment data to tell you exactly why the email bounced and how to fix it.
Deciphering DMARC failures is notoriously difficult. Our forensic engine uses advanced heuristic parsing to extract meaning from the chaos of raw server logs.
Authentication-Results headers, XML snippets, or raw bounce strings to extract the exact authentication state.Your feedback has been submitted successfully. We appreciate your help in improving our tools.