What powers vietnamsingle.com?
Last seen Dec 2025 · 7 technologies across 7 categories
Advertising
DoubleClick Ad Exchange (AdX)
since Dec 2025
Advertising Networks
Google AdSense
since Mar 2017
Editors
Operating systems
Windows Server
since Dec 2025
Security
reCAPTCHA
since Dec 2025
Web Frameworks
Microsoft ASP.NET
since Mar 2017
Web Servers
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
4.20 / 10 · ranked #456,429 of all domains
219 referring domains · OpenPageRank
Infrastructure
- Hosted on SHARKTECH (208.98.35.176)
- DNS: site4now.net
- Email: site4now.net
- Email security: SPF (hard fail), DMARC reject
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 2,073,822, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Animate.css Dec 2025
- dropped Bootstrap Dec 2025
- dropped Google Font API Dec 2025
- dropped jQuery Dec 2025