Choose monitoring or enforcement deliberately
Use p=none to collect reports while reviewing legitimate senders. Consider quarantine or reject only when report coverage and SPF/DKIM alignment support the change.
Free public generator
Generate a DMARC record for a domain and inspect the validation findings.
Your result will appear here.
Run the check to see structured findings, severity, evidence and next steps from the public diagnostics API.
The details
Use p=none to collect reports while reviewing legitimate senders. Consider quarantine or reject only when report coverage and SPF/DKIM alignment support the change.
Aggregate reports use rua mailto addresses. Confirm the mailbox is configured to receive reports, and follow external reporting authorization requirements when the destination is on another domain.
DNS can vary by resolver and change over time. Verify important changes with your DNS provider and mail platform. Public DNS checks cannot see every private report or sending configuration.
Explore MailConfig ProGenerate a DMARC record for a domain and inspect the validation findings.
No. This public tool is available without registration.