Measured 2026-06-19 · public DNS
Is tsb.co.uk protected against email spoofing?
Yes — tsb.co.uk enforces DMARC (p=reject).
A
DMARC
p=reject
SPF
-all
DKIM
2 selector(s)
Published record
v=DMARC1;p=reject;pct=100;rua=mailto:dmarc@tsb.co.uk;fo=1;What this means
- • Politique p=reject : protection maximale contre l’usurpation.
- • 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.