Medido el 2026-07-11 · DNS público
¿Está flagstar.com protegido contra la suplantación de correo?
Sí — flagstar.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)
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.comQué 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
- 2026-07-11SPFProtegido (p=reject)
- 2026-06-26Primera mediciónProtegido (p=reject)
Sobre Flagstar Bank
Flagstar Bank is a major financial institution operating in France, offering a comprehensive range of banking and financial services to individual and corporate clients. Its email communication infrastructure encompasses internal employee exchanges, customer correspondences, transactional notifications, and official communications related to banking services and financial operations. As a credit institution, Flagstar Bank manages sensitive and confidential data, making the security of its flagstar.com domain critical. Email authentication represents a strategic imperative for the financial sector, which faces heightened risks of domain spoofing and phishing attacks targeting client trust. The implementation of DMARC, SPF, and DKIM protocols on flagstar.com constitutes a foundational protective measure against spoofing attacks and identity usurpation. Given that the banking sector is subject to strict regulations including NIS2 and DORA directives, Flagstar Bank must demonstrate a robust cybersecurity posture. Secure email authentication helps reduce attack vectors, preserve brand reputation, and maintain client confidence. The DMARC Observatory provides transparent analysis of email domain security, enabling financial institutions to identify best practices and improvement opportunities in their email authentication frameworks.