Email Header Analyzer
Paste email headers to trace routing, check SPF/DKIM/DMARC, and view all fields.
Email Header Analyzer Features
Understand your email delivery path and authentication status.
Visualizes each server hop the email passed through from sender to recipient.
Extracts and displays authentication results with clear pass or fail status.
Shows all header fields in a clean table for easy inspection.
About Email Header Analyzer
This tool parses raw email headers to extract delivery routing information and authentication results. Useful for diagnosing email delivery issues, spam detection, and verifying SPF, DKIM, and DMARC configuration.
Frequently Asked Questions
Is this tool free to use?
Yes, this tool is completely free.
No account or registration is required.
You can use it as many times as you like.
Is my data private?
All processing happens in your browser.
Your headers are never sent to any server.
We do not store, log, or share your input.
How do I get email headers in Outlook?
Open the email and click File, then Properties.
Find the Internet headers box at the bottom.
Copy all the text and paste it into the tool.
How do I get headers in Apple Mail?
Open the email and click View in the menu bar.
Select Message then All Headers.
Copy the displayed headers and paste them into the tool.
What does SPF pass mean?
SPF pass means the sending server is authorized by the domain owner.
This helps confirm the email is not spoofed.
SPF fail indicates a potential spoofing or misconfiguration issue.
Does it work on mobile?
Yes, the tool is fully responsive.
It works on phones, tablets, and desktops.
No app download is needed.
What browsers are supported?
All modern browsers are supported.
This includes Chrome, Firefox, Safari, and Edge.
Keep your browser updated for best results.
Can I analyze forwarded emails?
Yes. Forwarded emails will show additional Received hops.
Authentication results may differ for forwarded emails.
DMARC can sometimes fail on forwarded messages due to SPF alignment.