Email Header Analyzer

Paste raw email headers and get a clear breakdown of the message's routing path, authentication results (SPF, DKIM, DMARC), sender infrastructure, and timing. Essential for diagnosing delivery issues or investigating phishing.

Example uses:

Investigating why emails are landing in spam, tracing a phishing email back to its source, verifying SPF/DKIM alignment, or diagnosing mail delivery delays.

Email Header Analyzer

Parse and analyze email headers to troubleshoot delivery issues. Check SPF, DKIM, DMARC authentication and trace email routing path.

How to get email headers:
Gmail: Open email → Click ⋮ (three dots) → "Show original" → Copy all text
Outlook: Open email → File → Properties → Copy "Internet headers"
Yahoo: Open email → More → "View Raw Message"
Apple Mail: View → Message → All Headers → Select and copy

What we analyze:
• Email routing path (all servers the email passed through)
• Delivery timeline and delays
• Sender information (IP, domain, SPF/DKIM/DMARC status)
• Authentication results (SPF, DKIM, DMARC)
• Spam score and filtering information
• Reply-To and Return-Path details
• Message-ID and threading information

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