What powers 
build-ing.de?
Last seen Jun 2026 · 17 technologies across 11 categories
CDN
Amazon S3
since May 2022
CMS
TYPO3 CMS
since Jul 2019
Font scripts
Ionicons
since Jul 2019
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
PWA
since Aug 2022
PaaS
Amazon Web Services
since May 2022
Photo galleries
PhotoSwipe
since Sep 2022
Programming languages
PHP
since Jul 2019
Tag managers
Google Tag Manager
since Jul 2019
UI frameworks
Web servers
Apache HTTP Server
since Jul 2019
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
4.59 / 10 · ranked #387,944 of all domains
70 referring domains · OpenPageRank
Infrastructure
- Hosted on GTT-BACKBONE GTT (212.222.128.77)
- DNS: ipn.de
- Email: Microsoft 365
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 3072, expires Nov 2026
- Common Crawl link graph: rank 674,553, 4 hosts
- Verified with: Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted