What powers jk.nl?
Last seen Dec 2022 · 17 technologies across 12 categories
Analytics
Authentication
Google Sign-in
since Dec 2022
CDN
CMS
Concrete CMS
since Dec 2022
Font scripts
Google Font API
since Dec 2022
JavaScript libraries
OWL Carousel
since Dec 2022
Live chat
WhatsApp Business Chat
since Dec 2022
Maps
Google Maps
since Dec 2022
Programming languages
PHP
since Dec 2022
Security
HSTS
since Dec 2022
Web servers
Webmail
Microsoft 365
since Dec 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
6.66 / 10 · ranked #65,199 of all domains
215 referring domains · OpenPageRank
Infrastructure
- Registered Apr 1999 (27 years) via JK Webdesign B.V.
- Hosted on TransIP (136.144.139.180, IPv6)
- DNS: jkwebdesign.nl
- Email: Microsoft 365
- Email security: SPF (soft fail), DMARC reject, DNSSEC signed
- SSL: Let's Encrypt, RSA 4096, expires Nov 2026
- Common Crawl link graph: rank 7,321,677, 10 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026, registration from the registry's RDAP service. How the web is hosted