Medido el 2026-07-11 · DNS público
¿Está tsb.co.uk protegido contra la suplantación de correo?
Sí — tsb.co.uk aplica DMARC (p=reject).
Postura sin cambios desde el 2026-06-19
Más protegido que el 71 % de bancos en Reino Unido
El 70 % del sector ya aplica p=reject
A
DMARC
p=reject
SPF
-all
DKIM
2 selector(es)
BIMI + marca verificada (VMC) — tu logo, autenticado
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=reject;pct=100;rua=mailto:dmarc@tsb.co.uk;fo=1;Qué significa esto
- • Politique p=reject : protection maximale contre l’usurpation.
- • Au moins une clé DKIM valide publiée.
Historial
- 2026-06-26Primera mediciónProtegido (p=reject)
Sobre TSB
TSB is a major financial institution operating from the United Kingdom with significant presence across Europe, including France. As a banking and financial services organization, TSB manages substantial volumes of electronic communications involving employees, customers, and institutional partners. Its tsb.co.uk domain serves as a critical channel for official correspondence, transactional notifications, regulatory compliance communications, and sensitive internal exchanges. In the current cybersecurity threat landscape, securing email authentication is paramount for TSB. Domain spoofing represents a material risk: threat actors could impersonate the institution to customers, causing severe reputational and financial damage. Regulatory compliance obligations, notably the NIS2 Directive and DORA requirements applicable to financial sector entities, underscore the necessity of a robust DMARC policy. DMARC, SPF, and DKIM form the technical foundation enabling recipients to verify authenticity of messages sent from tsb.co.uk and prevent spoofing attacks. Serious implementation of these mechanisms protects both the organization and its stakeholders. For TSB, ensuring comprehensive DMARC coverage across its entire email footprint—encompassing all digital services, notification systems, and official communication channels—constitutes a strategic requirement for information security governance and customer trust protection.