What powers cuk.or.kr?
Last seen Oct 2026 · 15 technologies across 13 categories
Analytics
Google Analytics
since Sep 2025
Editors
DreamWeaver
since Jan 2019
Font scripts
Font Awesome
since Sep 2024
Google Font API
since Sep 2024
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Operating systems
Ubuntu
since Sep 2025
Programming languages
Security
HSTS
since Sep 2026
Tag managers
Google Tag Manager
since Sep 2025
UI frameworks
Bootstrap
since Sep 2024
Web frameworks
CodeIgniter
since Sep 2024
Microsoft ASP.NET
since Jan 2019
Web server extensions
Web servers
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Oct 2026 *: Allowed (was Restricted)
AI Crawlers
No AI crawlers blocked
Audience
- 100% desktop
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.19 / 10 · ranked #3,121,500 of all domains
19 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Korean
- Weight: 27.4 MB · 109 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on LGDACOM LG DACOM Corporation (211.115.107.7)
- DNS: nsgodo.com
- Email: mailplug.com
- Email security: SPF (soft fail), no DMARC record
- SSL: Sectigo, RSA 2048, expires Feb 2027
- Common Crawl link graph: rank 10,568,635, 3 hosts
- Verified with: Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| cdh.cuk.or.kr | 13 |
| cuk.or.kr | 4 |
| www.cuk.or.kr | 4 |