Email Header Analysis
Paste a raw email header or drop an .eml/.txt file — see SPF, DKIM and DMARC results, the delivery path and possible spoofing risks in seconds. Nothing is sent to a server.
SPF · DKIM · DMARC
Authentication & alignment
Delivery Path & TLS
Per-hop delay and encryption
Blacklist & PTR
IP/domain reputation (opt-in)
Forefront AntiSpam
Microsoft 365 antispam fields
Delivery Evidence
Junk/quarantine as recorded, not guessed
Complaint & Provider Readiness
Gmail, Yahoo, RFC 8058 & 9477
PDF Report & QR
Selectable sections, shareable summary
100% Local
Headers never leave your browser
Trust Score
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Sender IP Analysis (Blacklist + PTR/rDNS)
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Sender Domain Analysis (Blacklist)
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