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Email header analyzer

Email header analyzer

Paste the headers of an email to see the servers it passed, where they are, how long each step took and whether SPF, DKIM and DMARC passed. Nothing is stored.

Gmail: open the message, then "Show original". Outlook: File, Properties, Internet headers. Apple Mail: View, Message, All headers.

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© 2026 IP-FD.net Registry data © RIPE NCC, APNIC, AFRINIC, ARIN, LACNIC. Routing data from the RIPE NCC Routing Information Service. City names from GeoNames (CC BY 4.0). Measurements from RIPE Atlas. Abuse reports from AbuseIPDB. Maps © OpenStreetMap contributors.