A LITTLE HELP FOR YOUR NEXT TASK
Email Header Analyzer
Read email routing and reported authentication from pasted headers.
Private by design
Your inputs stay on your device and are not sent to our servers. Optional usage analytics does not receive your files or tool inputs.
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How to use Email Header Analyzer
- Paste raw email headers, not the message body.
- Review routing order and reported SPF, DKIM and DMARC results.
- Export an inspection report with trust limitations.
What are the limits of Email Header Analyzer?
Does not perform DNS, validate DKIM cryptography or establish sender identity. Authentication headers can be forged outside a trusted mail boundary. Up to 200 headers. This tool processes inputs in browser memory and makes no upload or lookup request. Clear inputs or close the tab when finished. Exports and clipboard actions are explicit.