Email security
Email Header Analyzer
Paste the full raw headers of an email to reconstruct its delivery path, decode SPF/DKIM/DMARC authentication, and surface spoofing indicators. Everything is parsed locally in your browser — nothing is uploaded.
Email security
Paste the full raw headers of an email to reconstruct its delivery path, decode SPF/DKIM/DMARC authentication, and surface spoofing indicators. Everything is parsed locally in your browser — nothing is uploaded.