koi.or.kr website report
한국정보올림피아드 공식 웹사이트.
Koi is ranked #7,635,120 worldwide (top 234%), has an estimated value of $807. It may earn around $23 per month from advertising.
Korean Cloudflare
Last updated
United StatesKey facts about koi.or.kr
- Domain
- koi.or.kr
- Website name
- 한국정보올림피아드
- Estimated worth
- $807
- Global rank
- #7,635,120 (top 234% of 3.3M ranked sites)
- Monthly visitors (est.)
- 242 · 12K page views
- Server location
United States- Network
- CloudFlare AS13335
- CDN
- Cloudflare
- Email provider
- Google Workspace
- Language
- Korean
- Data updated
Estimated traffic & revenue
| Page views | Visitors | Ad revenue | |
|---|---|---|---|
| Daily | 404 | 8 | $1 |
| Monthly | 12,108 | 242 | $23 |
| Yearly | 145,296 | 2,904 | $276 |
Modelled from the global rank — not measured analytics. Use them to compare sites, not as exact figures.
Global rank history
Monthly values
| Month | Global rank |
|---|---|
| 2026-06 | #33,304,556 |
| 2026-07 | #16,652,597 |
| 2026-08 | #7,635,120 |
Source: Rankeez (Tranco, Majestic, DomCop, Cisco Umbrella).
How we estimate koi.or.kr's value
The estimate is the higher of two independent approaches, both computed automatically from public data.
- Traffic value: $165Driven by the global rank #7,635,120 (≈12K page views / month) plus a capped age bonus.
- Activity value: $807Domain age plus observable signs of an active, professionally run website.
Activity signals found
| Domain age (unknown) | $100 |
| Active website with metadata | +$150 |
| Professional email (Google Workspace) | +$150 |
| Email authentication (SPF) | +$50 |
| CDN / performance layer (Cloudflare) | +$100 |
| Business services (Mailgun) | +$100 |
| Security headers (44/100) | +$132 |
| IPv6 enabled | +$25 |
Revenue, sales or private analytics are not public and are not included. This is not an appraisal or a sale price.
On-page SEO
| Title | 한국정보올림피아드 9 chars |
|---|---|
| Meta description | 한국정보올림피아드 공식 웹사이트. 18 chars |
| Meta keywords | None |
| Language | Korean |
| Response time | 0.55 s Fast |
Homepage structure
Exactly one H1 heading — good practice.
Technology & infrastructure
| CDN / proxy | Cloudflare |
|---|---|
| Web server | cloudflare |
| Platform / language | Not disclosed |
| DNS provider | Unknown |
| Email provider | Google Workspace |
| SPF record | v=spf1 include:mailgun.org ~all |
| IPv6 (AAAA) | Yes |
| CAA record | No |
Services verified in DNS
Google Search Console Mailgun
Detected from TXT verification and SPF records published by the domain owner.
Domain name
| Extension | .kr — the country-code extension of South Korea |
|---|---|
| Name length | 3 characters Short |
| Hyphens / digits | No hyphen · no digits |
| Type | Subdomain |
Security headers
Collected with an older method; a fresh check is running and will appear on your next visit.
- HTTPSThe homepage is not served over HTTPS.
- Strict-Transport-Security (HSTS)Not set: browsers may still try plain HTTP first.
- Content-Security-PolicyNot set: no restriction on which scripts may run.
- Clickjacking protectionNeither X-Frame-Options nor CSP frame-ancestors is set.
- X-Content-Type-Optionsnosniff: browsers will not guess content types.
- Referrer-Policystrict-origin-when-cross-origin
- Permissions-PolicyNot set: browser features are not explicitly restricted.
- Software version disclosureNo software version numbers disclosed in headers.
Raw HTTP response headers
HTTP/2 200
date: Wed, 26 Aug 2026 23:17:43 GMT
content-type: text/html; charset=utf-8
report-to: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=DirkBOsiYoX2YVVZE7OFl%2BbmrZVcFw7aQnmeaghurFFD0cy2Gm54j62ezBtNdpEUH04g528n8NPqn7IahWukwGBYbdj%2BKT%2FO3J9aBpxbUAAEkRRQdhZgvENy%2Bus%3D"}]}
nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
access-control-allow-origin: *
cache-control: public, max-age=0, must-revalidate
x-content-type-options: nosniff
referrer-policy: strict-origin-when-cross-origin
server: cloudflare
cf-cache-status: DYNAMIC
cf-ray: a3168d313d18c653-CDG
alt-svc: h3=":443"; ma=86400
Hosting
| IP address | 188.114.97.2 |
|---|---|
| Location | United States |
| Network (ISP) | CloudFlare |
| Autonomous system | AS13335 CloudFlare, Inc. |
| Server software | cloudflare |
Nameservers
| Host | IP | Country |
|---|---|---|
| b.dns.kr | 210.101.60.1 | — |
| g.dns.kr | 202.31.190.1 | — |
| f.dns.kr | 210.101.62.1 | — |
| d.dns.kr | 203.83.159.1 | — |
| c.dns.kr | 210.101.61.1 | — |
| e.dns.kr | 202.30.124.100 | — |
Domain registration (WHOIS)
| Registrar | Unknown |
|---|
Raw WHOIS record
query : or.kr # KOREAN(UTF8) 상기 도메인이름은 도메인이름의 안정적 관리와 공공의 이익 등을 위하여 등록자격이 제한된 도메인이름입니다. # ENGLISH This request domain name is restricted to specifically qualified registrants for stable management of domain names and public interest. - KISA/KRNIC WHOIS Service -
DNS records
| Type | Host | Value | TTL |
|---|---|---|---|
| A | koi.or.kr | ip: 188.114.96.2 | 296 |
| A | koi.or.kr | ip: 188.114.97.2 | 296 |
| NS | koi.or.kr | target: karina.ns.cloudflare.com | 86400 |
| NS | koi.or.kr | target: luke.ns.cloudflare.com | 86400 |
| SOA | koi.or.kr | mname: karina.ns.cloudflare.com rname: dns.cloudflare.com serial: 2413201417 refresh: 10000 retry: 2400 expire: 604800 minimum-ttl: 1800 | 1800 |
| MX | koi.or.kr | pri: 1 target: aspmx.l.google.com | 300 |
| MX | koi.or.kr | pri: 10 target: alt3.aspmx.l.google.com | 300 |
| MX | koi.or.kr | pri: 5 target: alt2.aspmx.l.google.com | 300 |
| MX | koi.or.kr | pri: 10 target: alt4.aspmx.l.google.com | 300 |
| MX | koi.or.kr | pri: 5 target: alt1.aspmx.l.google.com | 300 |
| TXT | koi.or.kr | txt: google-site-verification=YfWJMAoPGPVo9oIU8ISFnTzvA1YOTtKX8hFg7Dxz11Y | 300 |
| TXT | koi.or.kr | txt: ca3-4f62cc58d4cf4ca2a9e65e89b951ec09 | 300 |
Show all 16 records
| TXT | koi.or.kr | txt: ZOOM_verify_CY8kJbSYSRCjJMYuJShAYg | 300 |
| TXT | koi.or.kr | txt: v=spf1 include:mailgun.org ~all | 300 |
| AAAA | koi.or.kr | ipv6: 2a06:98c1:3120::2 | 296 |
| AAAA | koi.or.kr | ipv6: 2a06:98c1:3121::2 | 296 |
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koi.or.kr compared with similar websites
| Website | Global rank | Est. worth | Registered | Hosted in |
|---|---|---|---|---|
| koi.or.kr | #7,635,120 | $807 | — | United States |
| giordano.co.kr | #1,312,971 | $965 | — | United States |
| lakickz.com | #1,759,860 | $860 | 2012 |  South Korea |
| ptware.net | #50,231,979 | $216 | 2014 | South Korea |
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Questions about koi.or.kr
Where is koi.or.kr hosted?
Koi.or.kr's server (IP 188.114.97.2) is located in United States.
How much is koi.or.kr worth?
We estimate koi.or.kr is worth $807. This is an automated estimate based on the site's global traffic rank, domain age and observable activity signals (professional email, business services, security, CDN) — not a professional appraisal or a real sale price.
How much traffic does koi.or.kr get?
Based on its rank, koi.or.kr receives roughly 242 unique visitors and 12K page views per month. These figures are modelled from the rank, not measured.
What is koi.or.kr's global rank?
Koi.or.kr has an estimated global rank of 7,635,120, sourced from Rankeez.com, which aggregates the Tranco, Majestic, DomCop and Cisco Umbrella rankings. Its rank has improved over the tracked period. This is an independent estimate, not affiliated with Amazon Alexa, which discontinued its own ranking service in 2022.
Who hosts koi.or.kr?
Koi.or.kr resolves to 188.114.97.2, on the network of CloudFlare (AS13335), and is served through Cloudflare.
What email provider does koi.or.kr use?
According to its MX records, koi.or.kr receives email with Google Workspace. It publishes an SPF record to authenticate its outgoing mail.
What websites are similar to koi.or.kr?
Popular websites in the same category as koi.or.kr include giordano.co.kr, lakickz.com, ptware.net.
Own koi.or.kr? Add the badge
Shows your live global rank. To cite this report: “StatMemory, koi.or.kr website report, https://statmemory.com/koi.or.kr”.
StatMemory is not affiliated with koi.or.kr. This report shows publicly available data (DNS, WHOIS, HTTP headers, public top-site lists) and automated estimates for information purposes.