Measured 2026-08-20 · public DNS
Is carrieres-sur-seine.fr protected against email spoofing?
Not yet — carrieres-sur-seine.fr only monitors DMARC (p=none); spoofed mail can still be delivered.
Stronger than 60% of city halls in France
12% of the sector already enforces p=reject
See the sector barometer →See the whole sector →
D
DMARC
p=none
SPF
-all
DKIM
1 selector(s)
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Published record
v=DMARC1; p=none; adkim=s; aspf=s; rua=mailto:dmarc@carrieres-sur-seine.frWhat this means
- • Policy p=none: monitoring only, no unauthenticated message is blocked.
- • At least one valid DKIM key published.
- • 1024-bit DKIM RSA key: still tolerated but below the state of the art — rotate to 2048 bits. (selector1 : 1024 bits)
- • No MTA-STS (_mta-sts): inbound SMTP connections remain exposed to TLS downgrade. Recommended alongside DMARC.
- • No TLS-RPT (_smtp._tls): the TLS failures encountered by senders are not reported.
History
- 2026-08-20First measurementMonitoring only (p=none)
About Carrières-sur-Seine
The mairie de Carrières-sur-Seine refers to the municipal institution of the French commune of Carrières-sur-Seine, a local territorial authority organized in accordance with French administrative law. Like any French town hall, it constitutes the seat of the municipal administration, led by a mayor supported by deputy mayors and a municipal council elected by residents. It ensures the institutional representation of the commune before other local authorities and the State, and implements the decisions taken by locally elected officials within their areas of competence.
Carrières-sur-Seine is a commune in the Yvelines department, in the Île-de-France region, located within a bend formed by the Seine river, west of the Paris metropolitan area. It lies near communes such as Montesson, Chatou, Bezons and Houilles, in an area characterized both by a residential urban fabric and by natural spaces linked to the river. The commune is part of the broader network of local authorities in western Paris, which shapes its territorial organization and intercommunal cooperation.
The scope of activity of the mairie covers the full range of responsibilities assigned to French communes: civil registry management, issuance of administrative documents, urban planning and processing of building permits, management of primary school facilities, local social assistance, maintenance of municipal roads and public spaces, and support for local cultural, sporting and associative life. It also plays a coordinating role with the intercommunal structures to which the commune belongs for certain shared competences, such as spatial planning or waste collection. This positioning makes the mairie the primary point of contact for residents regarding administrative procedures and local services.
The website carrieres-sur-seine.fr is the official internet portal of the commune, presenting municipal information and online administrative services intended for residents.