Email Header Analyzer
Inspect raw email headers for authentication checks and suspicious routing patterns.
All analysis happens locally in your browser. No data is uploaded to our servers.
Raw headers
Paste the raw header block from an email message.
No analysis yet
Paste raw headers above, then click Analyze.
Frequently Asked Questions
What can this analyzer extract?
The page is prepared for parsing SPF, DKIM, DMARC results, Received hops and suspicious indicators.
Is the analysis private?
Yes. Raw headers are processed locally in your browser without server-side upload.