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Measured 09/22/2026 · public DNS

Is gretz-armainvilliers.fr protected against email spoofing?

No — gretz-armainvilliers.fr has no DMARC policy and can be spoofed.

Unchanged since 09/13/2026

Lowest posture among city halls in France

12% of the sector already enforces p=reject

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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

  • 09/13/2026First measurementNo DMARC

About Gretz-Armainvilliers

Gretz-Armainvilliers is a French municipality located in the Seine-et-Marne department, in the Île-de-France region. It lies east of the Paris conurbation, at the border of the Val d'Europe and Val Briard areas, in a setting marked by wooded areas and natural spaces typical of the Brie region. The present-day municipality resulted from the merger of two former entities, Gretz and Armainvilliers, whose history is linked to the development of the railway in the 19th century and to the presence of a notable forested estate, the Armainvilliers forest. This background shaped a predominantly residential territory, structured around a town centre and several suburban neighbourhoods, while retaining significant green spaces. Rail access gradually encouraged urban growth over time while preserving a semi-rural character. Like any French municipality, Gretz-Armainvilliers is administered by an elected municipal council and a mayor, who exercise the powers assigned to local authorities: civil registry management, urban planning, local road maintenance, school and after-school facilities, local social action, and community life activities. The municipality is also part of an intercommunal framework, participating in cooperation arrangements with neighbouring municipalities for shared responsibilities, particularly regarding land-use planning and collective services. It thus serves as a level of proximity between residents and departmental or regional institutions, relaying local public policies while carrying out its own development and planning projects. The website gretz-armainvilliers.fr is the municipality's official site, presenting information on municipal life, administrative procedures, resident services, and local news.

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