Medido el 2026-07-11 · DNS público

¿Está santander.co.uk protegido contra la suplantación de correo?

Sí — santander.co.uk aplica DMARC (p=reject).

Postura sin cambios desde el 2026-06-19

Más protegido que el 39 % de bancos en Reino Unido

El 70 % del sector ya aplica p=reject

Ver el barómetro sectorial

A

DMARC

p=reject

SPF

-all

DKIM

ninguno encontrado

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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; fo=1; rua=mailto:santander@rua.agari.com, mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:santander@ruf.agari.com, mailto:dmarc_ruf@emaildefense.proofpoint.com

Qué significa esto

  • Politique p=reject : protection maximale contre l’usurpation.
  • Aucune clé DKIM trouvée sur les sélecteurs courants (le domaine peut utiliser des sélecteurs non standards).

Historial

  • 2026-06-26Primera mediciónProtegido (p=reject)

Sobre Santander UK

Santander UK is the British subsidiary of Spanish banking group Santander, one of Europe's largest financial institutions. Operating across the United Kingdom, Santander UK manages a complex email ecosystem encompassing communications with millions of customers, internal correspondence among employees, critical transactional notifications and regulatory communications. The santander.co.uk domain represents a major communication vector for banking operations, digital service access and transmission of sensitive account-related information. The financial sector faces exceptionally high risks of domain spoofing. Cybercriminals specifically target banking institutions to execute sophisticated phishing attacks exploiting customer trust. Compromise of santander.co.uk would expose the organization to massive fraud risks, sensitive data theft and severe reputation damage. Email authentication via DMARC, SPF and DKIM is therefore critical to verify the authenticity of messages sent from this domain. As a financial sector entity operating in Europe, Santander UK is subject to stringent regulatory frameworks including NIS2 (Network and Information Security Directive) and DORA (Digital Operational Resilience Act), which strengthen cybersecurity requirements and operational resilience obligations. Implementing robust email authentication protocols directly addresses these compliance demands. Securing santander.co.uk through appropriate DMARC policy protects communication integrity, prevents targeted attacks and strengthens trust with customers and partners across all banking operations and digital services.

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