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.