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Network
SPF Record Analyzer

Network

SPF Record Analyzer

Look up and explain a domain’s SPF record, mechanism by mechanism.

Runs entirely in your browser, nothing is uploaded

Looked up from your browser via Cloudflare’s public DNS-over-HTTPS resolver.

People usually pair this with

Local
Network
DMARC Record Analyzer
Look up and explain a domain’s DMARC policy, tag by tag.
Open tool
Local
Network
DKIM Record Analyzer
Look up a domain’s DKIM record for a selector you provide, and explain its tags.
Open tool
Local
Security
Email Header Analyzer
Parse raw email headers and explain the Received chain and SPF/DKIM/DMARC results.
Open tool