Check your SPF and DKIM records instantly. Spot misconfigurations before attackers do — with plain-English results and step-by-step fixes.
Enter any domain to instantly analyse its SPF or DKIM configuration and get actionable, plain-English results.
Not sure what SPF or DKIM actually means? Our plain-English guides explain everything.
Learn how Sender Policy Framework prevents email spoofing by controlling which servers can send as your domain.
Understand how DomainKeys Identified Mail uses cryptographic signatures to prove your emails are genuine.
Discover how DMARC ties SPF and DKIM together and gives you visibility over who's sending email as you.
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