Measured 2026-06-26 · public DNS

Is chu-lille.fr protected against email spoofing?

Not yet — chu-lille.fr only monitors DMARC (p=none); spoofed mail can still be delivered.

Unchanged since 2026-06-19

Stronger than 43% of major hospitals in France

10% of the sector already enforces p=reject

DMARC

p=none

SPF

-all

DKIM

3 selector(s)

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=none;rua=mailto:DMARC-CHU@chu-lille.fr;sp=none;aspf=r;

What this means

• Politique p=none : surveillance seule, aucun message non authentifié n'est bloqué.
• Au moins une clé DKIM valide publiée.