Measured 2026-06-26 · public DNS

Is discover.com protected against email spoofing?

Partially — discover.com quarantines unauthenticated mail (p=quarantine).

Unchanged since 2026-06-19

Stronger than 10% of banks in United States

80% of the sector already enforces p=reject

DMARC

p=quarantine

SPF

~all

DKIM

4 selector(s)

BIMI + verified mark (VMC) — your logo, authenticated

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=quarantine; rua=mailto:dmarc_agg@vali.email,mailto:dmarc_rua@discover.com; ruf=mailto:dmarc_ruf@discover.com; fo=1

What this means

• Politique p=quarantine : les messages non alignés sont mis en indésirable.
• SPF se termine par ~all (softfail) : acceptable en phase d’observation, viser -all à terme.
• Au moins une clé DKIM valide publiée.