What powers vietopeninfra.org?
Last seen Aug 2026 · 35 technologies across 17 categories
CDN
Cloudflare
since Oct 2022
jsDelivr
since Oct 2022
CMS
Databases
MySQL
since Oct 2022
Font scripts
Google Font API
since Oct 2022
Issue trackers
Cloudflare Network Error Logging
since Oct 2022
JavaScript frameworks
JavaScript libraries
Highlight.js
since Oct 2022
Isotope
since Oct 2022
LazySizes
since Oct 2022
Modernizr
since Oct 2022
PhotoSwipe
since Oct 2022
Select2
since Oct 2022
Slick
since Oct 2022
Swiper
since Oct 2022
Maps
Google Maps
since Sep 2024
Miscellaneous
Page builders
Photo galleries
Programming languages
Security
HSTS
since Aug 2025
Video players
Web frameworks
Django
since Aug 2026
Web servers
WordPress themes
Phlox
since Oct 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
- Sep 2026 robots.txt appeared
- Sep 2026 * added to robots.txt
AI Crawlers
No AI crawlers blocked
Open Page Rank
1.85 / 10 · ranked #4,065,498 of all domains
9 referring domains · OpenPageRank
Infrastructure
- Hosted on Cloudflare (104.21.23.15, IPv6)
- Email: vccloud.vn
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 8,451,750, 7 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| 2024.vietopeninfra.org | 26 |
| 2022.vietopeninfra.org | 25 |
| 2026.vietopeninfra.org | 9 |
| www.vietopeninfra.org | 6 |