SPF & DMARC Record Generator

Pick your email senders, choose how strict to be, and get the exact DNS records to publish. Free, instant, nothing stored.

1 · Who sends email for your domain?

Google Workspace Microsoft 365 Amazon SES SendGrid Mailgun Zoho Mailchimp Brevo (Sendinblue)

2 · SPF policy

3 · DMARC

Publish these as TXT records at your DNS host, then verify your domain with the analyzer. SPF goes on the root (@); DMARC on _dmarc.

Data · Email checker · Email verifier · Blocklist checker · Blocklists explained · Widget

Built & updated automatically by MailTester Ninja, the email verifier that stores nothing. DNS-only, aggregate data, no personal information. · JSON API · RSS