What powers cer.vn?
Last seen Sep 2026 · 22 technologies across 15 categories
Analytics
Google Analytics
since Jun 2020
CDN
Amazon S3
since May 2022
Cloudflare
since Mar 2024
Databases
MySQL
since Jun 2020
Ecommerce
Cart Functionality
since Aug 2020
Font scripts
JavaScript frameworks
JavaScript libraries
Live chat
Facebook Chat Plugin
since Nov 2021
Message boards
XenForo
since Jun 2020
Miscellaneous
PaaS
Amazon Web Services
since May 2022
Programming languages
PHP
since Jun 2020
Tag managers
Google Tag Manager
since Jun 2020
Web servers
Nginx
since Nov 2021
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
2.30 / 10 · ranked #2,874,190 of all domains
9 referring domains · OpenPageRank
Infrastructure
- Hosted on NHANHOA-AS-VN NhanHoa Software company (103.124.95.203)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 25,510,671
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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