Measured 2026-08-07 · public DNS
Is legrandchalon.fr protected against email spoofing?
Partially — legrandchalon.fr quarantines unauthenticated mail (p=quarantine).
Unchanged since 2026-07-09
Stronger than 81% of city halls in France
13% of the sector already enforces p=reject
See the sector barometer →See the whole sector →
B
DMARC
p=quarantine
SPF
-all
DKIM
3 selector(s)
Eligible for BIMI: publish your logo to display it in inboxes
Watch this domain for free
No time to create an account? Leave your email: you’ll be notified if the DMARC configuration of legrandchalon.fr changes (a regression, or a domain still left unprotected).
How to fix it
Thomas, your AI-powered virtual CISO, finds every sender, writes the exact DNS, and walks your domain safely from p=none to p=reject.
Published record
v=DMARC1; p=quarantine; rua=mailto:rua@dmarc.brevo.com; ruf=mailto:admin.mail@legrandchalon.fr; rf=afrf; pct=100; ri=86400What this means
- • Policy p=quarantine: unaligned messages are moved to the spam folder.
- • 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, mandrill : 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
- 2026-08-07SPFEnforcing (p=quarantine)
- 2026-07-09First measurementEnforcing (p=quarantine)
About Communauté d'agglomération - Le Grand Chalon
Le Grand Chalon is a French communauté d'agglomération, an intermunicipal structure bringing together several dozen municipalities around the central city of Chalon-sur-Saône, in the Saône-et-Loire department, in the Bourgogne-Franche-Comté region. This local authority resulted from a gradual institutional evolution, having succeeded an earlier urban district before acquiring the status of communauté d'agglomération in the early 2000s. It has since become one of the reference public bodies for intermunicipal cooperation in the southern part of Burgundy.
The territory covered by Le Grand Chalon extends on both sides of the Saône River, combining a dense urban core around Chalon-sur-Saône with surrounding peri-urban and rural municipalities. This geographic configuration gives the intermunicipal body a strategic position within the region's north-south and east-west exchange routes, facilitating connections with neighboring urban areas and the main communication routes crossing the Saône-et-Loire department.
As a public body for intermunicipal cooperation, Le Grand Chalon exercises pooled competencies on behalf of its member municipalities in various fields such as economic development, spatial planning, urban transport, housing, waste management, water and sanitation, and support for cultural and sporting facilities of community interest. It also plays a coordinating role in shaping local public policies, working alongside municipalities, the department and the region, in order to organize public action coherently across its territory.
The website legrandchalon.fr is the official institutional site of this communauté d'agglomération, presenting its competencies, organization, news items and various practical information intended for residents and stakeholders of the territory.