Email Header Analyzer
Paste raw email headers to visualize the delivery hop chain, check SPF/DKIM/DMARC results, and inspect routing details instantly
Email Header Analyzer
Paste raw email headers to trace delivery, auth, and routing
How to get raw headers
- •Gmail: Open the email → ⋮ (three dots) → Show original → copy everything above the blank line
- •Outlook: File → Properties → Internet headers box
- •Apple Mail: View → Message → All Headers, then cmd+A to copy
- •Thunderbird: View → Message Source (Ctrl+U), copy the header section
Header parsing runs entirely in your browser. The live DNS check for SPF/DKIM/DMARC records uses Google's public DNS-over-HTTPS API — only the sender domain is queried, never the email contents.
Continue Exploring
Other Network Tools you might like...
IP Lookup
Look up IP address information including location and ISP
DNS Lookup
Query DNS records including A, AAAA, MX, TXT, and more
WHOIS Lookup
Look up domain registration and ownership information
HTTP Status Checker
Check HTTP status codes and response headers for any URL
SSL Certificate Checker
Check SSL certificate details, expiry, and validity for any domain
Port Reference Guide
Complete reference guide for common network ports and their services
Email Validator
Free email validator — check if an email address is valid by verifying format, MX DNS records, and detecting disposable email providers. No sign-up.
IP Geolocation
Look up the geographic location, ISP, and timezone of any IP address