Developer API Tools/DNS Generators

DNS Generators

Build paste-ready SPF, DKIM, DMARC, and related DNS records.

Transactional API

Need transactional email in your product?

Send from REST or SMTP, then subscribe to delivery events — same MailShrine login as the rest of the suite.

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  • SPF Record GeneratorBuild an SPF TXT from includes and IPs.Open →
  • DMARC Record GeneratorGenerate a DMARC policy string.Open →
  • DKIM Selector HelperPlan selectors and rotation naming.Open →
  • BIMI Record GeneratorDraft BIMI DNS for brand logos.Open →
  • MTA-STS Policy GeneratorGenerate an MTA-STS policy file.Open →
  • TLS-RPT Record GeneratorCreate a TLS-RPT DNS record.Open →
  • Include Flattening HelperReduce SPF includes under the lookup limit.Open →
  • DNS Checklist BuilderPrint the records your domain still needs.Open →
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