What powers 
c-s.fr?
Last seen Feb 2025 · 36 technologies across 15 categories
Analytics
Google Analytics
since Jun 2018
Blogs
Databases
MySQL
since Apr 2021
Font Scripts
JavaScript Frameworks
JavaScript libraries
Miscellaneous
Operating systems
Programming languages
Security
HSTS
since Sep 2022
SEO
Tag managers
Google Tag Manager
since Jun 2018
Web server extensions
Web servers
Webmail
Microsoft 365
since Aug 2022
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Open Page Rank
5.28 / 10 · ranked #214,655 of all domains
101 referring domains · OpenPageRank
Organisation
- CS Group
- Founded: 1902
- Sector: defence industry, space industry, energy industry
- Country: France
From Wikidata (CC0).
Infrastructure
- Hosted on France Telecom - Orange (90.115.179.212)
- DNS: cscdns.net
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record
- SSL: Let's Encrypt, ECDSA P256, expires Oct 2026
- Common Crawl link graph: rank 101,089, 11 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| cs-share.c-s.fr | 21 |
| www.c-s.fr | 13 |
| xtranet.c-s.fr | 9 |
| odin.si.c-s.fr | 6 |