ZenovayTools

Email Header Parser

Parse raw email headers to see delivery path, SPF/DKIM/DMARC results, and hop-by-hop timestamps.

How to Use Email Header Parser

  1. 1Copy the raw email headers from your email client.
  2. 2Paste the headers into the input area.
  3. 3Click "Parse" to analyze the delivery path and authentication results.
  4. 4Review SPF, DKIM, DMARC results and hop-by-hop timestamps.
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Frequently Asked Questions

How do I get email headers?▾
In Gmail, open the email and click the three dots menu, then "Show original". In Outlook, open the email properties to see the internet headers. Copy the full header text and paste it here.
What are SPF, DKIM, and DMARC?▾
SPF (Sender Policy Framework) verifies the sending server is authorized. DKIM (DomainKeys Identified Mail) verifies the message was not altered. DMARC (Domain-based Message Authentication) combines both to prevent email spoofing.
What does the delivery path show?▾
The delivery path shows each server (hop) the email passed through from sender to recipient, with timestamps and delays between each hop.
Is my email data safe?▾
Yes. All parsing happens in your browser. No email data is sent to any server.
When should I analyze email headers?▾
Use this tool to investigate suspicious emails, verify sender authenticity, debug email deliverability issues, trace delivery paths, or check if SPF, DKIM, and DMARC authentication passed.
Can I use this tool on my phone?▾
Yes, the email header parser works in any modern mobile browser. Paste email headers and see the parsed results on any device.
What does a failed SPF or DKIM check mean?▾
A failed SPF check means the sending server is not authorized by the domain owner. A failed DKIM check means the message may have been altered in transit. Both failures are strong indicators of potential email spoofing.