Measured 09/25/2026 · public DNS
Is guichenpontrean.fr protected against email spoofing?
No — guichenpontrean.fr has no DMARC policy and can be spoofed.
Unchanged since 08/24/2026
Lowest posture among city halls in France
12% of the sector already enforces p=reject
See the sector barometer →See the whole sector →
F
DMARC
absent
SPF
absent
DKIM
none found
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What this means
- • No DMARC record published (_dmarc). Receivers have no policy to apply.
- • No SPF record (v=spf1) published on the domain.
- • No DKIM key found on the common selectors (the domain may use non-standard selectors).
- • 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
- 08/24/2026First measurementNo DMARC
About Guichen
Guichen is a French municipality located in the Ille-et-Vilaine department, in the Brittany region, south of the Rennes metropolitan area, along the banks of the Vilaine river. The municipal territory results from a merger, carried out through the creation of a new commune, between the former municipality of Guichen and that of Pont-Réan, the latter retaining the status of a delegated commune. This configuration explains the name of the institutional website, which combines the two historical names of the territory.
The municipality lies within an environment that is both rural and peri-urban, shaped by its proximity to Rennes and by the presence of the Vilaine valley, a defining landscape feature that historically influenced local activities, particularly river transport and milling around Pont-Réan. Guichen belongs to an intermunicipal grouping in the southern part of Ille-et-Vilaine, within which it serves as a local hub for surrounding communities. Its development has been accompanied by a diversification of economic, residential, and service-related activities, while preserving a built and natural heritage reflecting its long history.
As a local government entity, the municipality of Guichen exercises the general responsibilities assigned to French communes: managing local public services, spatial planning, urban development, social action, school and community life, as well as maintaining public facilities and spaces. It also takes part, alongside neighbouring municipalities, in intermunicipal cooperation initiatives concerning matters such as planning, the environment, and local economic development. Its geographic position, at the crossroads of routes linking Rennes to the southern part of the department, makes it an administrative and territorial reference point for residents of the area.
The website guichenpontrean.fr is the official institutional website of the municipality of Guichen and provides information on municipal life, local services, administrative procedures, and local news.