SPF, DKIM & DMARC Builder

Build SPF, DKIM, and DMARC DNS TXT records online. Ensure domain email deliverability and stop spoofing for Google and Microsoft. Free DNS tool.

About this tool

SPF, DKIM & DMARC Builder generates valid DNS TXT records to prevent email spoofing, improve inbox deliverability, and pass domain authentication.

How to use

  1. Enter your apex domain name.
  2. Select email provider preset (Google Workspace, Microsoft 365) or custom settings.
  3. Configure DMARC enforcement policy (none, quarantine, reject) and reporting mailbox.
  4. Copy generated SPF, DMARC, and DKIM TXT records to your DNS registrar.

FAQ

Why do I need SPF, DKIM, and DMARC?

Major providers like Gmail and Yahoo require these DNS records to prevent emails from going directly to Spam.

Which DMARC policy should I start with?

Start with p=none or p=quarantine while monitoring aggregate reports.

What does SPF, DKIM & DMARC Builder do?

SPF, DKIM & DMARC Builder generates valid DNS TXT records to prevent email spoofing, improve inbox deliverability, and pass domain authentication.

How do I use SPF, DKIM & DMARC Builder?

Open the SPF, DKIM & DMARC Builder tool, then enter your apex domain name.

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