What powers 
viaduk.net?
Last seen Oct 2026 · 5 technologies across 4 categories
Miscellaneous
Open Graph
since Sep 2022
PWA
since Aug 2022
Programming languages
Java
since Jan 2019
Security
HSTS
since Sep 2022
Web servers
HCL Domino
since Jan 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 Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Ukraine
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.48 / 10 · ranked #913,098 of all domains
83 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Ukrainian
- Weight: 0.1 MB · 11 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on VIADUK-AS Viaduk-Telecom, LLC (212.68.160.1)
- DNS: viaduk.net
- Email: viaduk.net
- Email security: SPF (hard fail), DMARC quarantine
- SSL: Let's Encrypt, RSA 4096, expires Dec 2026
- Common Crawl link graph: rank 8,539,509, 10 hosts
- Verified with: Google
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted