Gemessen am 2026-07-04 · öffentliches DNS
Ist chu-lyon.fr gegen E-Mail-Spoofing geschützt?
Nein — chu-lyon.fr hat keine DMARC-Richtlinie und kann gefälscht werden.
Haltung unverändert seit dem 2026-06-19
Stärker geschützt als 15 % der große Krankenhäuser in Frankreich
10 % der Branche setzt bereits p=reject durch
F
DMARC
nicht vorhanden
SPF
-all
DKIM
2 Selektor(en)
So behebst du es
Thomas, der DMARC-Copilot, findet jede Quelle, schreibt das exakte DNS und bringt deine Domain sicher von p=none zu p=reject.
Was das bedeutet
- • Aucun enregistrement DMARC publié (_dmarc.<domaine>). Les destinataires n'ont aucune politique à appliquer.
- • Au moins une clé DKIM valide publiée.
Verlauf
- 2026-06-26Erste MessungKein DMARC
Über 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.