📧 Email Header Analyser

Spot spoofed emails by examining the routing and authentication headers.

How to get headers: open the suspicious email → ⋯ → Show original (Gmail) or View → Message source (Outlook) → copy everything.

Checks left this month: 5 / 5

Result

Paste the headers of a suspicious email. We check From vs Return-Path vs Reply-To domains and SPF/DKIM/DMARC authentication signals, then verify the sender's domain live in DNS.