Measured 2026-08-07 · public DNS
Is ville-guyancourt.fr protected against email spoofing?
Partially — ville-guyancourt.fr quarantines unauthenticated mail (p=quarantine).
Unchanged since 2026-07-09
Stronger than 46% of city halls in France
13% of the sector already enforces p=reject
See the sector barometer →See the whole sector →
D
DMARC
p=quarantine
SPF
-all
DKIM
2 selector(s)
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Published record
v=DMARC1; p=quarantine; pct=10; adkim=s; aspf=sWhat this means
- • Policy p=quarantine: unaligned messages are moved to the spam folder.
- • pct < 100: the policy applies to only a fraction of the traffic. (pct=10)
- • No rua address: aggregate reports are not collected, which makes steering the hardening impossible.
- • At least one valid DKIM key published.
History
- 2026-07-09First measurementEnforcing (p=quarantine)
About Mairie de Guyancourt
The town hall of Guyancourt is the municipal institution responsible for administering the commune of Guyancourt, located in the Yvelines department, in the Île-de-France region of France. It constitutes the local executive body, led by a mayor and an elected municipal team, responsible for implementing public policies at the communal level and managing the day-to-day affairs of the local authority.
Guyancourt is part of the Saint-Quentin-en-Yvelines territory, an agglomeration grouping several neighboring communes, with which the municipality cooperates on numerous matters of intercommunal interest, particularly regarding urban planning, transportation, and economic development. Over the decades, the commune has undergone significant urban transformation, evolving from a rural character to that of a town integrated within a dynamic urban hub in the outer Paris region, notably hosting activities related to research and innovation.
The responsibilities of the town hall cover the full range of powers assigned to French communes: civil registry, urban planning, management of public facilities, social action, educational policy concerning nursery and primary schools, maintenance of communal roads, management of green spaces, and organization of local associative and cultural life. The institution also serves as the interface between residents and public services, relaying departmental, regional, and national programs applicable to the communal territory. It further participates in local democratic life, through municipal council meetings, thematic committees, and citizen consultation bodies, thereby contributing to the institutional and social life of the commune within the broader framework of French territorial organization.
The website ville-guyancourt.fr is the official website of the Guyancourt town hall, providing municipal information, administrative procedures, and news related to life in the commune.