Gemessen am 2026-07-04 · öffentliches DNS
Ist nantes.fr gegen E-Mail-Spoofing geschützt?
Noch nicht — nantes.fr beobachtet DMARC nur (p=none); gefälschte Mails können weiterhin zugestellt werden.
Haltung unverändert seit dem 2026-06-19
Stärker geschützt als 49 % der Rathäuser in Frankreich
12 % der Branche setzt bereits p=reject durch
D
DMARC
p=none
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.
Veröffentlichter Eintrag
v=DMARC1; p=none; pct=100; rua=mailto:a.zbsi3m5l@reports.hornetdmarc.comWas das bedeutet
- • Politique p=none : surveillance seule, aucun message non authentifié n'est bloqué.
- • 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 MessungNur Beobachtung (p=none)
Über Nantes
The City of Nantes, a major territorial authority in the Pays de la Loire region, manages local public administration, municipal services, and official communications with citizens and institutional partners. The nantes.fr domain serves as the central digital communication infrastructure for this organization, processing thousands of emails daily from municipal departments, administrative bodies, elected officials, and public digital platforms. This significant email volume exposes the municipality to substantial risks of identity spoofing and phishing attacks, threats that could severely undermine public trust in official city communications. Robust email authentication through DMARC, SPF, and DKIM protocols is therefore strategically critical for protecting domain reputation and preventing fraud. As a territorial authority, Nantes operates within a strengthened compliance framework that includes obligations under the NIS2 Directive and potentially DORA requirements for certain critical digital services. Implementing a structured DMARC policy ensures authentication of legitimate messages, enhances institutional email security, and demonstrates cybersecurity governance aligned with standards expected from territorial administrations. Securing nantes.fr means protecting sensitive exchanges, dematerialized administrative processes, and the continuity of municipal digital services.