What powers ructf.org?
Last seen Nov 2024 · 10 technologies across 9 categories
CDN
jQuery CDN
since May 2023
CMS
Tilda
since May 2023
Font scripts
Google Font API
since May 2023
JavaScript libraries
Miscellaneous
Open Graph
since May 2023
Performance
Priority Hints
since May 2023
Security
DDoS-Guard
since May 2023
HSTS
since Jan 2023
Web servers
Webmail
Google Workspace
since Jan 2023
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
3.66 / 10 · ranked #781,539 of all domains
41 referring domains · OpenPageRank
Infrastructure
- Hosted on VDSINA (146.103.107.85)
- DNS: ructf.com
- Email: Google Workspace
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 2,022,988, 12 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| 2023.finals.ructf.org | 8 |
| ructf.org | 7 |
| 2023.ructf.org | 5 |