Medido el 2026-07-11 · DNS público
¿Está firsthorizon.com protegido contra la suplantación de correo?
Sí — firsthorizon.com aplica DMARC (p=reject).
Postura sin cambios desde el 2026-06-19
Más protegido que el 76 % de bancos en Estados Unidos
El 80 % del sector ya aplica p=reject
A
DMARC
p=reject
SPF
-all
DKIM
3 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; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com;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 First Horizon
First Horizon is a French organization operating in the financial and banking sector, utilizing the firsthorizon.com domain for its institutional digital communications. This entity manages a significant volume of official correspondence intended for its employees, clients, and business partners, which necessitates robust email infrastructure security.
The firsthorizon.com domain represents a critical authentication vector for the organization. Its email perimeter encompasses internal communications among staff members, digital services delivered to clients and prospects, and official correspondence bearing contractual or regulatory character. Within this context, domain spoofing and phishing risks remain substantial, particularly given the trust concerns inherent to the financial sector.
Implementing DMARC, SPF, and DKIM protocols on firsthorizon.com addresses multiple imperatives. Firstly, it strengthens protection against email fraud and identity spoofing attempts. Secondly, it contributes to increasingly stringent regulatory compliance in cybersecurity matters, particularly regarding the NIS2 Directive and its obligations concerning digital risk segmentation. For a French entity of this kind, email authentication remains a fundamental element of digital security governance.
The DMARC Observatory thus documents the strategic importance of securing firsthorizon.com as an institutional domain, in order to maintain organizational reputation, preserve stakeholder trust, and comply with international cybersecurity standards. Email authentication protocols form an essential component of comprehensive risk management strategies within the financial services industry.