Gemessen am 2026-07-04 · öffentliches DNS
Ist mulhouse.fr gegen E-Mail-Spoofing geschützt?
Teilweise — mulhouse.fr verschiebt nicht authentifizierte Mails in die Quarantäne (p=quarantine).
Haltung unverändert seit dem 2026-06-19
Stärker geschützt als 81 % der Rathäuser in Frankreich
12 % der Branche setzt bereits p=reject durch
B
DMARC
p=quarantine
SPF
-all
DKIM
1 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; rua=mailto:dmarc-report@mulhouse.fr; ruf=mailto:dmarc-forensic@mulhouse.fr; sp=quarantine; pct=100; aspf=r; adkim=s; ri=86400Was das bedeutet
- • Politique p=quarantine : les messages non alignés sont mis en indésirable.
- • Au moins une clé DKIM valide publiée.
Verlauf
- 2026-06-26Erste MessungIn Anwendung (p=quarantine)
Über Mulhouse
Mulhouse, a major French municipality in the Grand Est region, operates a digital infrastructure supporting essential communications with residents, partners, and internal services. The mulhouse.fr domain serves as the official email identity of the organization, utilized by municipal staff, administrative departments, and for official correspondence with citizens, businesses, and public institutions. This communication perimeter exposes the entity to significant risks of domain spoofing and phishing attacks, particularly critical for a public administration of this scale. Securing the mulhouse.fr domain through DMARC, SPF, and DKIM authentication is therefore a strategic imperative for trustworthiness and institutional legitimacy. As a French territorial collectivity, Mulhouse must comply with increasingly stringent digital security requirements, notably within the framework of the NIS2 and DORA directives, which strengthen obligations for critical infrastructure protection and operational resilience. Robust email authentication ensures the integrity of administrative exchanges, protects resident data, and preserves the city's reputation. The DMARC Observatory provides Mulhouse's IT leadership with comprehensive visibility into the authentication posture of the mulhouse.fr domain, facilitating identification of legitimate email sources, detection of anomalies, and progressive optimization of security protocols to maintain a reliable and standards-compliant digital communication infrastructure.