What powers knoc.co.kr?
Last seen Oct 2026 · 7 technologies across 6 categories
Editors
DreamWeaver
since Jun 2016
JavaScript libraries
Miscellaneous
PWA
since Apr 2025
Programming languages
Java
since Aug 2021
Security
HSTS
since Apr 2025
Web servers
Apache HTTP Server
since Apr 2025
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Nov 2026 * removed from robots.txt
- Oct 2026 * added to robots.txt
- Oct 2026 * removed from robots.txt
- Oct 2026 * added to robots.txt
- Sep 2026 * removed from robots.txt
- Sep 2026 * added to robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 84% desktop
- 11% phone
- 5% tablet
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #327,215 of all domains
82 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Korean
- Weight: 5.9 MB · 42 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Korea National Oil Corporation
- Founded: 1979
- Sector: petroleum industry
- Country: South Korea
From Wikidata (CC0).
Infrastructure
- Registered Dec 1998 (27 years), renews Oct 2029
- DNS: knoc.co.kr
- Email: govkorea.com
- Email security: SPF (hard fail), DMARC monitor only
- SSL: GlobalSign, RSA 2048, wildcard, expires Nov 2026
- Common Crawl link graph: rank 723,178, 4 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| m.knoc.co.kr | 4 |
| mail.knoc.co.kr | 4 |
| ebid.knoc.co.kr | 3 |
| www.knoc.co.kr | 3 |