What powers 
explaintb.org?
Last seen Oct 2026 · 8 technologies across 7 categories
JavaScript frameworks
Vue.js
since Nov 2025
JavaScript libraries
Miscellaneous
Open Graph
since Nov 2025
PWA
since Nov 2025
Operating systems
Ubuntu
since Nov 2025
Programming languages
PHP
since Nov 2025
UI frameworks
Element UI
since Nov 2025
Web servers
AI Crawlers
robots.txt could not be read at the last check (Nov 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Open Page Rank
4.35 / 10 · ranked #425,758 of all domains
53 referring domains · OpenPageRank
Page
- Language: English
- Weight: 0.4 MB · 17 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Registered Jan 2013 (13 years) via united-domains GmbH, renews Jan 2027
- Hosted on STRATO (85.214.132.111)
- DNS: udag.de
- Email: udag.de
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 1,910,389, 2 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| explaintb.org | 8 |
| www.explaintb.org | 8 |