Measured 2026-07-18 · public DNS
Is ville-cesson-sevigne.fr protected against email spoofing?
Not yet — ville-cesson-sevigne.fr only monitors DMARC (p=none); spoofed mail can still be delivered.
Unchanged since 2026-07-09
Stronger than 49% of city halls in France
13% of the sector already enforces p=reject
D
DMARC
p=none
SPF
~all
DKIM
3 selector(s)
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.
Published record
v=DMARC1; p=none; rua=mailto:rapports-dmarc@ville-cesson-sevigne.frWhat this means
- • 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.
History
- 2026-07-09First measurementMonitoring only (p=none)
About Mairie de Cesson-Sévigné
The town hall (mairie) of Cesson-Sévigné is the municipal institution responsible for administering the commune of Cesson-Sévigné, located in the Ille-et-Vilaine department, in the Brittany region of France. It constitutes the local executive body, led by a mayor supported by deputy mayors and a municipal council elected by direct universal suffrage, in accordance with the French system of territorial organization. The commune is a member of Rennes Métropole, an intercommunal structure grouping several municipalities around the Breton capital, and its territory borders Rennes directly, making it one of the closest neighboring communes to the metropolitan center.
Historically formed through the merger, during the twentieth century, of the former parishes of Cesson and Sévigné, the commune experienced significant urban and economic development linked to its proximity to Rennes, particularly through the establishment of technology and service-sector business parks that contributed to its demographic growth. The town hall ensures administrative continuity for this expanding territory, overseeing urban planning, maintenance of public infrastructure, and management of community facilities intended for residents.
The scope of activity of the Cesson-Sévigné town hall covers the full range of competencies assigned to French communes: civil registry, urban planning, social services, management of primary and nursery schools, maintenance of local roads, cultural and sports programming, and municipal policing within its defined limits. It also represents the local authority in its dealings with other administrative levels, notably the Ille-et-Vilaine department and the intercommunal public body to which it belongs. Its role is grounded in a logic of local proximity, aiming to address residents' everyday needs while contributing to the broader development dynamics of the Rennes metropolitan area.
The website ville-cesson-sevigne.fr is the official portal of the commune, presenting institutional information, administrative procedures, and local news intended for residents and users.