Gemessen am 2026-07-04 · öffentliches DNS
Ist fontenay.fr gegen E-Mail-Spoofing geschützt?
Nein — fontenay.fr hat keine DMARC-Richtlinie und kann gefälscht werden.
Haltung unverändert seit dem 2026-06-19
Stärker geschützt als 23 % der Rathäuser in Frankreich
12 % der Branche setzt bereits p=reject durch
F
DMARC
nicht vorhanden
SPF
~all
DKIM
1 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.
- • 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 MessungKein DMARC
Über Fontenay-sous-Bois
Fontenay-sous-Bois is a French municipality located in the Île-de-France region, in the Val-de-Marne department. As a public local organization, the city administration and its services manage a territory and population, generating significant volumes of official correspondence, administrative notifications and digital exchanges with citizens, businesses and institutional partners.
The fontenay.fr domain serves as the primary email identifier for the organization's official communications: public service notifications, administrative correspondence, citizen case management and inter-departmental coordination. This email infrastructure represents a critical vector for public trust and the legitimacy of municipal communications.
Securing fontenay.fr through DMARC, SPF and DKIM holds strategic importance for several reasons. First, domain spoofing risk is particularly elevated for public organizations, which are privileged targets for phishing campaigns targeting citizens. Second, local authorities are progressively subject to enhanced cybersecurity obligations, notably through the NIS2 Directive transposed into French law, which imposes protection standards for critical digital infrastructure.
Implementing an appropriate DMARC policy on fontenay.fr ensures authentication of legitimate messages, prevents digital identity usurpation and strengthens recipient confidence in the origin of official communications. For a local municipality, this investment in email security is fundamental to protect both its institutional reputation and the personal data of residents. Domain authentication mechanisms form part of responsible digital governance expected of public administrations.