Medido el 2026-07-12 · DNS público
¿Está chu-lyon.fr protegido contra la suplantación de correo?
No — chu-lyon.fr no tiene política DMARC y puede ser suplantado.
Postura sin cambios desde el 2026-06-19
Más protegido que el 15 % de grandes hospitales en Francia
El 10 % del sector ya aplica p=reject
F
DMARC
ausente
SPF
-all
DKIM
2 selector(es)
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.
Qué significa esto
- • Aucun enregistrement DMARC publié (_dmarc.<domaine>). Les destinataires n'ont aucune politique à appliquer.
- • Au moins une clé DKIM valide publiée.
Historial
- 2026-06-26Primera mediciónSin DMARC
Sobre Hospices Civils de Lyon
Hospices Civils de Lyon represents one of France's leading university hospital centers, encompassing multiple healthcare facilities and medical research services. As a major healthcare organization in the Auvergne-Rhône-Alpes region, HCL manages substantial official correspondence through the chu-lyon.fr domain, including communications with patients, healthcare professionals, institutional partners, and internal administrative departments.
Securing the chu-lyon.fr domain is critical for this institution. As a public healthcare establishment, HCL faces significant risks of domain spoofing that could compromise patient data confidentiality, disrupt digital services, and undermine stakeholder trust. Fraudulent emails spoofing chu-lyon.fr could facilitate targeted phishing attempts, sensitive data theft, or disruption of hospital operations.
Within the French and European regulatory framework, healthcare establishments face enhanced cybersecurity obligations. The NIS2 directive, currently undergoing transposition, and the DORA framework strengthen security requirements for critical infrastructures, including hospital IT systems. Email authentication through DMARC, SPF, and DKIM represents a fundamental component of this security posture, enabling validation of official correspondence authenticity and protecting the integrity of communicated data.
For an organization like HCL, implementing a robust DMARC strategy on chu-lyon.fr is essential to protect employees, patients, and institutional reputation. Email authentication mechanisms prevent unauthorized use of the domain and ensure that only legitimate communications bearing the HCL identity reach recipients, thereby maintaining the reliability of healthcare communications.