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Generate a ready-to-publish DMARC DNS record for your domain. Choose an enforcement policy, configure reporting, and get a complete TXT record to copy into your DNS settings.
Enter your domain name (e.g. example.com).
Choose a DMARC policy — start with "None" (monitor only), then move to "Quarantine" or "Reject" once you are confident in your setup.
Add a reporting email address (rua) to receive daily aggregate reports about your domain's email authentication results.
Optionally configure advanced settings like subdomain policy, alignment modes, and percentage rollout.
Click "Generate DMARC Record", copy the TXT record, and add it to your domain's DNS as _dmarc.yourdomain.com.
DMARC (Domain-based Message Authentication, Reporting, and Conformance) builds on SPF and DKIM to give domain owners control over what happens when email fails authentication. Without DMARC, receivers make their own decisions about unauthenticated mail — with DMARC, you tell them to monitor, quarantine, or reject it.