What powers 
sunbird-kalender.de?
Last seen Jul 2026 · 18 technologies across 11 categories
Analytics
Cloudflare Browser Insights
since Jul 2026
Caching
Redis Object Cache
since Jul 2026
W3 Total Cache
since Jul 2026
CDN
Cloudflare
since Jul 2026
Google Hosted Libraries
since Jul 2026
CMS
Databases
Font scripts
Twitter Emoji (Twemoji)
since Jul 2026
JavaScript libraries
Miscellaneous
Programming languages
PHP
since Jul 2026
WordPress plugins
WordPress themes
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Open Page Rank
6.10 / 10 · ranked #103,452 of all domains
413 referring domains · OpenPageRank
Infrastructure
- Hosted on Cloudflare (104.21.51.52, IPv6)
- DNS: Cloudflare DNS
- Email: no MX record returned
- SSL: Let's Encrypt, ECDSA P256, wildcard, expires Nov 2026
- Common Crawl link graph: rank 241,255, 3 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted