~/tools / dmarc-checker

DMARC Checker

Check DMARC record and policy. Catches missing policy, weak `p=none` mode, and misconfigured reporting.

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[ WARNING ] Quarantine policy. Spoofed mail goes to spam. Consider moving to 'reject' for stronger protection.
── output ─────
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100; fo=1;
Policy (p=)
quarantine
Subdomain policy (sp=)
quarantine
Percentage (pct=)
100%
DKIM alignment (adkim=)
r
SPF alignment (aspf=)
r
Aggregate reports (rua=)
mailto:[email protected]
Failure reports (ruf=)
mailto:[email protected]
// Save vercel.com → we'll run this daily and alert on changes. /signup →