DMARC Policy Checker
Analyze _dmarc TXT records, policy enforcement (none, quarantine, reject), and reporting mailboxes.
How to Use DMARC Policy Checker
Enter domain name.
Inspect the extracted _dmarc.domain TXT record.
Verify enforcement policy (reject is highest protection against phishing).
DMARC Policy Checker runs 100% client-side in your web browser. Your data, passwords, keys, and files are processed using the Web Crypto API and never transmitted to any server. Zero telemetry, zero storage, zero cloud processing.
Frequently Asked Questions
Why is p=reject better than p=none?
p=none only reports spoofing attempts, while p=reject actively blocks unauthenticated phishing emails from reaching user inboxes.
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