Gemessen am 2026-07-04 · öffentliches DNS
Ist valdemarne.fr gegen E-Mail-Spoofing geschützt?
Teilweise — valdemarne.fr verschiebt nicht authentifizierte Mails in die Quarantäne (p=quarantine).
Haltung unverändert seit dem 2026-06-19
Stärker geschützt als 60 % der Départements in Frankreich
16 % der Branche setzt bereits p=reject durch
C
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; sp=none ; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com, mailto:postmaster@valdemarne.fr!10m ; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com, mailto:postmaster@valdemarne.frWas das bedeutet
- • Politique p=quarantine : les messages non alignés sont mis en indésirable.
- • La politique sous-domaine (sp) est plus faible que la politique principale.
- • 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 Val-de-Marne (94)
Val-de-Marne is a French department located in the Île-de-France region, administering a territory home to over 1.3 million residents. As a territorial authority, the Val-de-Marne departmental council manages diverse public services spanning social action, education, infrastructure, and economic development. Its messaging domain valdemarne.fr supports critical communications involving administrative staff, elected officials, and official correspondence with citizens, institutional partners, and service providers.
The department exchanges sensitive information daily concerning social benefits, public procurement, and governance decisions, exposing the valdemarne.fr domain to identity spoofing risks including phishing and domain impersonation attacks. These threats can undermine public trust and cause administrative and financial harm. Securing email authentication through DMARC, SPF, and DKIM is a fundamental protective measure against domain forgery attacks.
This public authority operates under the French legal framework governing digital security, including obligations arising from the NIS2 Directive and DORA regulation for critical entities. Implementing robust DMARC policy on valdemarne.fr aligns the organization with institutional cybersecurity best practices and strengthens operational resilience. Progressive deployment of strict email authentication ensures that only authorized sources can emit messages on behalf of the department, thereby reducing attack vectors and disputes related to identity spoofing. The DMARC Observatory documents this critical infrastructure to highlight security enhancement efforts for the valdemarne.fr domain.