optimusonderwijs.nl

website information and technology stack
Web technologies detected on this domain49 technologies
Web technologies detected across all optimusonderwijs.nl subdomains49 technologies
Website rank1,622,621
Website Location United States
LanguageDutch (Nederlands)
Domain ForwardingThere are no websites that redirect to optimusonderwijs.nl
Last technology updateJanuary, 2026
Dropped technologies in the last 3 months1
IP Address174.129.25.170
Reverse IP15,175 websites share 174.129.25.170 IP address.
Autonomous System Number (ASN)AS14618 (AMAZON-AES)
Certificate IssuerLet's Encrypt
Certificate Expiration DateApril, 2026 (Valid )
Tag IDsG-TM15K73LVX

Technology Stack

A snapshot of the most notable technologies used on the optimusonderwijs.nl website. This is a partial list only. Click below to view the full technology stack with complete details.
Technology TypeTechnologyFirst detectedLast detected
Content Management System Django CMS September, 2025February, 2026
Email Authentication SPF1 September, 2025February, 2026
Email Marketing MailChimp September, 2025February, 2026
Infrastructure as a Service AWS September, 2025February, 2026
Programming Languages Python September, 2025February, 2026
Team Collaboration Microsoft 365 September, 2025February, 2026
Web Application Frameworks Django September, 2025February, 2026
Web Hosting Amazon Hosting September, 2025February, 2026
Web Mail Apple iCloud Mail September, 2025February, 2026
Web Servers Nginx September, 2025February, 2026
See full technology stack

Change History

List of recent detected changes in the technological composition of the optimusonderwijs.nl domain
TechnologyTechnology TypeVersionChangeDate
SquarespaceContent Management System DroppedJan, 2026

Uncommon response headers

List of uncommon response headers that were used by the website.
HeaderValue
Cross-Origin-Opener-Policysame-origin
Referrer-Policystrict-origin-when-cross-origin
Servernginx
X-Divio-Appoptimusscholen-live-a51bff52bb304dc7927964cff84729b9
X-Divio-HandlerGgmcK0693nIiKcrS1y8AcA
X-Divio-Request-Id5f5fd88ab77604932c6f1163fad1a142
X-Divio-Request-Time0.025
X-Divio-Request-Upstream-Time0.025
X-Divio-RouterCfbl9SYcsY-h_4PxM_yvog