DMARC record generator

Understand your domain’s use.
Start with DMARC.

Build a policy and optionally specify where to receive aggregate reports. Start with monitoring before requesting stricter enforcement.

  • Monitoring as a starting point
  • TXT value and record name separated

Free, no signup

DMARC record generator

Start with none. Review SPF, DKIM and legitimate mail flows before enforcing. External report destinations may need DNS authorization.

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From monitoring to an email policy.

Start by observing

With p=none and a rua destination, request reports without asking for quarantine or rejection.

Review legitimate senders

Check SPF, DKIM and alignment for the services sending for your domain.

Progress with evidence

Review reports and mail flows before selecting quarantine or reject.

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A few things worth knowing.

Does this change my DNS?

No. We generate the _dmarc name and TXT value for you to review and publish. If DMARC already exists, edit it rather than publishing a second record.

Can reports go to another domain?

The destination domain may need to authorize reports through DNS. This generator does not verify that authorization or create a mailbox. Reporting also depends on receiving providers.

Does DMARC prevent all impersonation?

No. It informs handling of messages that fail aligned authentication. It does not prevent lookalike domains, misleading display names or compromised accounts.