Measured 09/22/2026 · public DNS
Is fontenay-tresigny.fr protected against email spoofing?
Not yet — fontenay-tresigny.fr only monitors DMARC (p=none); spoofed mail can still be delivered.
Unchanged since 09/13/2026
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; rua=mailto:rua@dmarc.brevo.comWhat 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. (mail : 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
- 09/13/2026First measurementMonitoring only (p=none)
About Fontenay-Trésigny
Fontenay-Trésigny is a French commune located in the department of Seine-et-Marne, in the Île-de-France region. It falls under the French system of territorial organization and constitutes a local authority administered by a municipal council and a mayor, in accordance with the principles governing municipal administration in France. Its geographical location, east of the Paris metropolitan area, places it within a predominantly rural and peri-urban territory, characterized by agricultural and wooded areas typical of the Brie region.
The history of Fontenay-Trésigny is part of the broader history of the Brie territory, whose settlement dates back several centuries and whose evolution has followed the successive administrative changes of the Seine-et-Marne department since its creation at the end of the eighteenth century. Over time, the development of the town has been accompanied by the establishment of public facilities and the gradual structuring of a local associative and economic fabric, reflecting general trends among rural communes in Île-de-France facing peri-urbanization.
As a territorial authority, Fontenay-Trésigny exercises the competences assigned to French communes, particularly in the areas of urban planning, management of public facilities, civil registry, and school life. It also participates in intercommunal dynamics, cooperating with other communes in the area within the framework of territorial cooperation structures provided for under French law. Its position within the Seine-et-Marne department gives it a role of proximity for residents, in a context where land-use planning and the preservation of natural spaces play an important part. The commune is thus part of a broader administrative network, linking the municipal, intercommunal, departmental, and regional levels, each contributing to the organization of local public services.
The website fontenay-tresigny.fr is the institutional site of the commune, providing information on its administrative organization, municipal services, and local life.