Gemessen am 2026-07-04 · öffentliches DNS
Ist colombes.fr gegen E-Mail-Spoofing geschützt?
Nein — colombes.fr hat keine DMARC-Richtlinie und kann gefälscht werden.
Haltung unverändert seit dem 2026-06-19
Stärker geschützt als 0 % der Rathäuser in Frankreich
12 % der Branche setzt bereits p=reject durch
F
DMARC
nicht vorhanden
SPF
-all
DKIM
keiner gefunden
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.
- • Aucune clé DKIM trouvée sur les sélecteurs courants (le domaine peut utiliser des sélecteurs non standards).
Verlauf
- 2026-06-26Erste MessungKein DMARC
Über Colombes
Colombes is a French municipality located in the Hauts-de-Seine department, in the Île-de-France region. As a local public organization, the city manages a broad scope of electronic communications encompassing administrative correspondence with citizens and businesses, municipal digital services, and inter-authority exchanges. The domain colombes.fr represents the official digital identity of this entity and constitutes an essential vector of trust for the authenticity of messages issued on behalf of the municipality.
Securing email authentication through DMARC, SPF, and DKIM is critically important for Colombes. French municipalities are prime targets for identity spoofing attacks, designed to collect sensitive data from residents or distribute malicious content purportedly originating from official channels. These attacks undermine public trust and can facilitate inheritance scams, fraudulent payment requests, or identity theft attempts.
As a public sector organization in France, Colombes must comply with evolving cybersecurity requirements, particularly those of the NIS2 Directive transposed into French law and data security obligations. Implementing a robust DMARC policy directly contributes to protecting municipal critical infrastructure and strengthening the information resilience of the municipality.
Securing the colombes.fr domain through strict email authentication demonstrates the municipality's commitment to protecting citizens and reinforces the legitimacy of its official communications in a context of growing digital threats. DMARC compliance also supports compliance with broader French and European data protection frameworks.