Medido el 2026-07-11 · DNS público
¿Está tandem.co.uk protegido contra la suplantación de correo?
Parcialmente — tandem.co.uk pone en cuarentena el correo no autenticado (p=quarantine).
Postura sin cambios desde el 2026-06-19
Más protegido que el 27 % de bancos en Reino Unido
El 70 % del sector ya aplica p=reject
B
DMARC
p=quarantine
SPF
-all
DKIM
4 selector(es)
Apto para BIMI: publica tu logo para mostrarlo en los buzones
Cómo corregirlo
Thomas, tu CISO virtual con IA, identifica cada fuente, escribe el DNS exacto y lleva tu dominio de p=none a p=reject con total seguridad.
Registro publicado
v=DMARC1; p=quarantine; fo=1; pct=100; rf=afrf; rua=mailto:dmarc-aggreports@tandem.co.uk; ruf=mailto:dmarc-forensicreports@tandem.co.ukQué significa esto
- • Politique p=quarantine : les messages non alignés sont mis en indésirable.
- • Au moins une clé DKIM valide publiée.
Historial
- 2026-06-26Primera mediciónEn aplicación (p=quarantine)
Sobre Tandem Bank
Tandem Bank is a French financial institution operating under the domain tandem.co.uk, positioned as an innovative fintech provider delivering digital banking services to consumers and small businesses. As a regulated credit establishment, Tandem Bank maintains critical email infrastructure encompassing client communications, employee correspondence, technology partner interactions, and regulatory authority exchanges. This domain represents a prime target for threat actors attempting to undermine customer trust or intercept sensitive financial transaction data. Securing tandem.co.uk is strategically essential given the inherent sensitivity of financial information processed through its systems. Tandem Bank operates under the cybersecurity obligations prescribed by the NIS2 Directive and, as a financial entity, must comply with DORA (Digital Operational Resilience Act) requirements that establish heightened standards for digital operational resilience. Robust implementation of DMARC, combined with SPF and DKIM authentication protocols, forms a critical foundation for preventing phishing and domain spoofing attacks. These email authentication mechanisms ensure that only authorized servers can transmit emails on behalf of tandem.co.uk, thereby protecting brand reputation and end-user security. For a financial institution operating within the European digital ecosystem, DMARC compliance transcends technical recommendation status; it constitutes a fundamental governance element supporting security architecture and stakeholder accountability. The Observatory DMARC monitors the authentication posture of such institutions to provide transparency regarding email security infrastructure maturity.