Medido el 2026-07-11 · DNS público
¿Está closebrothers.com protegido contra la suplantación de correo?
Sí — closebrothers.com 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)
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=reject; rua=mailto:194b9323d34c781@rep.dmarcanalyzer.com; ruf=mailto:194b9323d34c781@for.dmarcanalyzer.com; 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 Close Brothers
Close Brothers is a French organization operating in the financial services and credit sector. The group manages a complex email ecosystem encompassing internal communications to its employees, correspondence with clients and commercial partners, as well as notifications from its digital services and transactional platforms. The closebrothers.com domain represents a critical trust vector across these exchanges.
Securing this domain through DMARC holds significant strategic importance. Close Brothers faces substantial risks of domain spoofing and phishing given its visibility as a financial services provider. Cybercriminals routinely target organizations of this type to steal sensitive data or divert funds through forged emails. Robust email authentication mechanisms—DMARC, SPF, and DKIM—are essential to protect domain reputation and ensure deliverability of legitimate messages.
Within the French and European regulatory landscape, Close Brothers must comply with strengthened security obligations. The NIS2 Directive imposes strict cybersecurity standards on essential and important entities in the financial sector. A rigorously configured DMARC policy aligns the organization with these requirements by preventing domain spoofing attacks and strengthening governance of its email authentication infrastructure.
The DMARC Observatory documents the positioning of closebrothers.com within the email security ecosystem, enabling stakeholders to assess the level of protection deployed and the organization's compliance with international email authentication best practices. This transparency supports both internal security governance and external trust establishment.