Gemessen am 2026-07-04 · öffentliches DNS
Ist ville-creteil.fr gegen E-Mail-Spoofing geschützt?
Teilweise — ville-creteil.fr verschiebt nicht authentifizierte Mails in die Quarantäne (p=quarantine).
Haltung unverändert seit dem 2026-06-19
Stärker geschützt als 80 % der Rathäuser in Frankreich
12 % der Branche setzt bereits p=reject durch
B
DMARC
p=quarantine
SPF
~all
DKIM
2 Selektor(en)
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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.
Veröffentlichter Eintrag
v=DMARC1; p=quarantine;fo=1;rua=mailto:dmarc_rua@emaildefense.proofpoint.com;ruf=mailto:dmarc_ruf@emaildefense.proofpoint.comWas das bedeutet
- • Politique p=quarantine : les messages non alignés sont mis en indésirable.
- • SPF se termine par ~all (softfail) : acceptable en phase d’observation, viser -all à terme.
- • Au moins une clé DKIM valide publiée.
Verlauf
- 2026-06-26Erste MessungIn Anwendung (p=quarantine)
Über Créteil
The City of Créteil, prefecture of Val-de-Marne in Île-de-France, is a French local authority responsible for municipal administration and the delivery of public services to its residents. As a major public organization, it operates a complex email ecosystem involving its administrative departments, elected officials, municipal staff, and communications with citizens and institutional partners. The ville-creteil.fr domain represents the official digital identity of this municipality across all administrative communications, public decisions, and online procedures.
Securing DMARC on the ville-creteil.fr domain is strategically critical for Créteil. Public organizations are prime targets for phishing campaigns and identity spoofing attacks designed to exploit citizen trust. Domain compromise would enable fraud, false administrative authority claims, and dissemination of fraudulent official communications. As a local authority processing sensitive personal data and ensuring continuity of essential services, Créteil must comply with cybersecurity requirements, notably the NIS2 directive which strengthens protection standards for critical public sector entities.
Implementing a robust DMARC policy on ville-creteil.fr enables the City to authenticate legitimate messages through SPF and DKIM, prevent domain spoofing, and monitor fraudulent impersonation attempts. For a municipality managing public trust and high-volume digital interactions, DMARC becomes an essential component of security resilience against emerging threats and regulatory compliance.