Measured 2026-06-26 · public DNS

Is 53.com protected against email spoofing?

Yes — 53.com enforces DMARC (p=reject).

Unchanged since 2026-06-19

Stronger than 76% of banks in United States

80% of the sector already enforces p=reject

See the sector barometer

A

DMARC

p=reject

SPF

-all

DKIM

3 selector(s)

BIMI logo published — shows in supporting inboxes

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.

Published record

v=DMARC1; p=reject; sp=reject; fo=1; pct=100; ri=3600; rua=mailto:DMARC-Reports@53.com; ruf=mailto:DMARC-Reports@53.com

What this means

  • Politique p=reject : protection maximale contre l’usurpation.
  • Au moins une clé DKIM valide publiée.

History

  • 2026-06-26First measurementProtected (p=reject)