Email Header Analyzer — Analyze Email Headers Free Online
Analyze raw email headers to trace the delivery path, detect spoofing, check SPF/DKIM results, and find delivery delays. Free, browser-based.
Frequently Asked Questions
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What is Email Header Analyzer — Parse Email Headers Free Online?
An email header analyzer parses the raw headers of an email message — the technical metadata that most email clients hide — and presents them in a human-readable format. Raw headers contain the complete delivery path (all servers that handled the message), timestamps at each hop, SPF and DKIM authentication results, spam scores, and the originating IP address. This is essential for diagnosing delivery failures and detecting spoofed email.
How to Use Email Header Analyzer — Parse Email Headers Free Online
- 1Open the email in your client and copy the full raw headers (View Source or Show Original).
- 2Paste the headers into the input area.
- 3Click Analyze to parse the headers.
- 4Review the delivery path with timestamps at each hop.
- 5Check the SPF and DKIM authentication results.
Key Features
- Full delivery path reconstruction
- Timestamps and delay calculation per hop
- SPF and DKIM result extraction
- Originating IP identification
- Spam score display (where present)
Benefits
- Trace why an email was delayed or rejected
- Verify SPF and DKIM authentication passed
- Identify spoofed sender IP addresses
- Diagnose delivery failures in email marketing campaigns
Why Use Irreva for Email Header Analyzer — Parse Email Headers Free Online?
Trace why an email was delayed or rejected
Verify SPF and DKIM authentication passed
Identify spoofed sender IP addresses
Runs 100% in your browser — files never leave your device.
No account, no sign-up, no subscription — free forever.
Works on any device: desktop, tablet, or mobile.