Utility Empire · privacy

Email Header Analyzer

Paste full RFC 822 headers — get a hop-by-hop routing timeline, SPF/DKIM/DMARC verdicts, and optional redaction of sensitive values. Everything runs in your browser.

Header source

0 chars

Ctrl+Enter analyzes. Local file open reads the file directly in your browser — nothing is uploaded.

Sensitive-value redaction
Applied to all displayed values and copied reports.

Results

Summary

No analysis yet — paste headers and press Analyze.

Routing timeline

Hop-by-hop Received chain will appear here.

Authentication verdicts

SPF / DKIM / DMARC results will appear here.