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Free SPF generator

Build a cleaner SPF record without guessing the syntax.

Choose the services allowed to send for your domain. Always validate the final record and keep the ten-DNS-lookup limit in mind.

FreeNo cardBuilt for diagnosis
v=spf1 …

Do not publish DNS records or suppress customer data solely from an automated result. Validate changes against your actual sending stack.

What this tool can and cannot tell you

Useful for

  • Fast initial diagnosis
  • Finding obvious configuration or content risk
  • Preparing a more focused technical review

Not proof of inbox placement

  • Mailbox providers use private reputation signals
  • Results vary by message, audience and infrastructure
  • A real placement test requires a controlled send

Need the answer mailbox providers do not publish?

Run the full inbox placement test across Gmail, Outlook and Yahoo, then receive fixes ranked by impact.

Open the placement testTalk to an expert