Email Header Analyzer

Paste raw email headers to visualize the email's path and verify SPF, DKIM, and DMARC authentication. All analysis is performed client-side.

How to Get Email Headers

Gmail

  1. Open the email
  2. Click the three dots (⋮) menu
  3. Select "Show original"
  4. Copy the headers section

Outlook

  1. Open the email
  2. Click File → Properties
  3. Look for "Internet headers"
  4. Copy the entire contents
100% Client-Side Analysis

Your email headers are analyzed entirely in your browser. No data is sent to any server. This tool is safe to use with sensitive or confidential email headers.