What powers 
semantics.de?
Last seen Jul 2026 · 10 technologies across 9 categories
CMS
Databases
MySQL
since Sep 2022
Font scripts
Twitter Emoji (Twemoji)
since Sep 2022
JavaScript libraries
Miscellaneous
RSS
since Jan 2023
Operating systems
Ubuntu
since Sep 2022
Programming languages
Web servers
Webmail
Microsoft 365
since Sep 2022
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Open Page Rank
4.94 / 10 · ranked #252,568 of all domains
65 referring domains · OpenPageRank
Infrastructure
- Hosted on NETCOLOGNE (212.117.75.60)
- DNS: netcologne.de
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record
- SSL: GoDaddy, RSA 2048, wildcard, expires Dec 2026
- Common Crawl link graph: rank 752,048, 5 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted