Email authentication tools
SPF, DKIM and DMARC prove that email from your domain is really from you. Check each one, fix what's missing, and reach a DMARC policy that stops spoofing.
- DMARC CheckerLook up a domain's DMARC record and see exactly what it does: the policy, where reports go, and what to fix.
- SPF Record CheckerValidate a domain's SPF record, expand every include and see how close it is to the 10-DNS-lookup limit.
- DKIM Record CheckerLook up a DKIM public key and check its type, length and syntax. Don't know the selector? Leave it blank and we'll try the common ones.
- DMARC Record GeneratorBuild a correct DMARC record in a few clicks, then copy it into your DNS.
- BIMI Record CheckerCheck whether your domain is ready to show its logo next to your emails in Gmail, Apple Mail, Yahoo and other inboxes.
- DMARC Report AnalyzerDMARC reports are XML files most people never read. dmarcful turns them into a clear picture of everyone sending email as your domain, and tells you what to fix.
- What is DMARC?DMARC is a DNS record that tells mail servers what to do with email that claims to be from your domain but can't prove it. Here's how it works and how to set it up safely.