Email Header Analyzer
Paste the raw headers from an email you've already received (in Gmail: Show original; in Outlook: Message options → Internet headers) to see its Received chain, SPF/DKIM/DMARC results, and hop delays.
More Email tools
- SPF CheckerSender Policy Framework
- DKIM CheckerSigning key validation
- DMARC CheckerMail authentication policy
- BIMI CheckerBrand indicators for email
- MTA-STS CheckerEnforced TLS mail delivery
- TLS-RPT CheckerSMTP TLS reporting
- Deliverability TestSend a test email, get a 0-10 score
- SPF Record GeneratorBuild an SPF record with a 10-lookup check
- DMARC Record GeneratorBuild a DMARC policy record from your settings
- DKIM Key GeneratorGenerate an RSA key pair and DKIM DNS record