Measured 2026-06-19 · public DNS

Is metzler.com protected against email spoofing?

Yes — metzler.com enforces DMARC (p=reject).

B

DMARC

p=reject

SPF

-all

DKIM

2 selector(s)

Published record

v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email; sp=quarantine; rf=afrf; ri=86400; adkim=r; aspf=r

What this means

  • Politique p=reject : protection maximale contre l’usurpation.
  • La politique sous-domaine (sp) est plus faible que la politique principale.
  • Au moins une clé DKIM valide publiée.

How to fix it

Marc, the DMARC copilot, finds every sender, writes the exact DNS, and walks your domain safely from p=none to p=reject.

See the sector barometer