Medido el 2026-07-11 · DNS público
¿Está firstcitizens.com protegido contra la suplantación de correo?
Sí — firstcitizens.com aplica DMARC (p=reject).
Postura sin cambios desde el 2026-06-19
Más protegido que el 53 % de bancos en Estados Unidos
El 80 % del sector ya aplica p=reject
A
DMARC
p=reject
SPF
~all
DKIM
5 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; 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.
- • SPF se termine par ~all (softfail) : acceptable en phase d’observation, viser -all à terme.
- • Au moins une clé DKIM valide publiée.
Historial
- 2026-06-26Primera mediciónProtegido (p=reject)
Sobre First Citizens Bank
First Citizens Bank is a major financial institution operating in France, recognized for its diverse banking services offered to individuals, professionals, and businesses. Its digital communication infrastructure spans all operational areas, encompassing client correspondence, transactional notifications, security alerts, and internal employee communications.
The firstcitizens.com domain represents a critical communication vector for this financial organization. Securing this domain is strategically paramount, given the significant risks of identity spoofing and phishing targeting banking clients. Fraudsters routinely exploit the reputation of financial institutions to steal sensitive data or counterfeit transactions.
Within the French and European regulatory landscape, First Citizens Bank remains subject to reinforced compliance requirements. The NIS2 Directive, transposed into French law, imposes strict cybersecurity measures on essential service providers, including credit institutions. The DORA regulation (Digital Operational Resilience Act) further strengthens obligations for managing technology-related operational risks.
Email authentication through DMARC, SPF, and DKIM represents a foundational pillar of this security posture. These protocols enable verification of message authenticity from firstcitizens.com, prevent domain spoofing, and guarantee recipients the legitimacy of banking communications. For a financial institution of this scale, robust implementation of these authentication mechanisms constitutes both a compliance imperative and a client protection necessity. Email security directly influences customer trust and institutional reputation in an increasingly digital banking landscape.