Measured 2026-06-26 · public DNS

Is tandem.co.uk protected against email spoofing?

Partially — tandem.co.uk quarantines unauthenticated mail (p=quarantine).

Unchanged since 2026-06-19

Stronger than 27% of banks in United Kingdom

70% of the sector already enforces p=reject

See the sector barometer

B

DMARC

p=quarantine

SPF

-all

DKIM

4 selector(s)

Eligible for BIMI: publish your logo to display it in 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=quarantine; fo=1; pct=100; rf=afrf; rua=mailto:dmarc-aggreports@tandem.co.uk; ruf=mailto:dmarc-forensicreports@tandem.co.uk

What this means

  • Politique p=quarantine : les messages non alignés sont mis en indésirable.
  • Au moins une clé DKIM valide publiée.

History

  • 2026-06-26First measurementEnforcing (p=quarantine)