Measured 2026-07-24 · public DNS

Is rosny93.fr protected against email spoofing?

No — rosny93.fr has no DMARC policy and can be spoofed.

Unchanged since 2026-07-09

Stronger than 0% of city halls in France

13% of the sector already enforces p=reject

See the sector barometer

F

DMARC

absent

SPF

~all

DKIM

none found

How to fix it

Thomas, your AI-powered virtual CISO, finds every sender, writes the exact DNS, and walks your domain safely from p=none to p=reject.

What this means

  • 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.
  • Aucune clé DKIM trouvée sur les sélecteurs courants (le domaine peut utiliser des sélecteurs non standards).

History

  • 2026-07-09First measurementNo DMARC

About Mairie de Rosny-sous-Bois

The Rosny-sous-Bois town hall is the municipal administration of the commune of Rosny-sous-Bois, located in the Seine-Saint-Denis department, in the Île-de-France region. Situated in the eastern part of the Paris metropolitan area, the commune belongs to the greater Paris urban area and lies close to the Bois de Vincennes and several neighboring municipalities in the northeastern suburbs of the capital. The town hall serves as the seat of local executive authority, represented by the mayor and the municipal council, elected bodies responsible for managing communal affairs within the framework of French local government law. As a territorial authority, the commune of Rosny-sous-Bois exercises a range of powers defined by the General Code of Territorial Authorities. These responsibilities cover civil registry matters, urban planning and land use, the management of primary school facilities, local social action, culture, sports and community life, as well as the maintenance of roads and public spaces within the commune. The town hall also organizes electoral processes on the municipal territory and issues various administrative documents to residents. The commune's position within its intercommunal grouping and the surrounding department gives it a role as an intermediary between residents and higher levels of territorial organization, notably the Seine-Saint-Denis department and the Île-de-France region. The town hall also takes part in intercommunal cooperation arrangements, contributing to the sharing of certain services and the coordination of development projects across the local area. In this way, it helps implement local public policies while maintaining a close relationship with residents, associations, and economic actors established within the municipal territory. The website rosny93.fr is the official institutional website of the Rosny-sous-Bois town hall, providing administrative and practical municipal information as well as online procedures for residents and users of the commune.

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