Domain report
oops.org
oops.org ranks in the top 0.43% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 19 distinct hosts observed under it.
Connectivity
- Top percentile
- 0.43%
- Hosts observed
- 19
From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means
HTTPS reachability
https://oops.org/ answered with HTTP 200.
Certificate until 2026-11-26C=US, O=Let's Encrypt, CN=YR2
DNS records
- A
- 210.117.209.99
- AAAA
- No records found.
- MX
- 10 mail.oops.org.
- NS
- ns.oops.org.
- ns2.oops.org.
- AS
- Server in network KREONET-AS-KR KISTI, AS1237 · South Korea210.117.209.0/24, which holds 210.117.209.99
Live preview
This site sends "X-Frame-Options: SAMEORIGIN", which blocks embedding it here.
Since oops.org can't be embedded live, this is a captured screenshot instead — a snapshot from whenever it was last rendered, not necessarily this exact moment.
Domain registration (WHOIS / RDAP)
- Registrar
- Samjung Data Service Co., Ltd
- Registered
- 1999-11-24
- Expires
- 2031-11-24
- Last changed
- 2026-08-11
Nameservers: ns.oops.org, ns2.oops.org
Status: client transfer prohibited
SSL certificate
- Common name
- *.dev.oops.org
- Issuer
- C=US, O=Let's Encrypt, CN=YR2
- Valid from
- 2026-08-28
- Valid until
- 2026-11-26
Matches oops.org exactly. Source: Certificate Transparency logs (crt.sh).
HTTP & security headers
Response
- Server
- cloudflare
- Content-Type
- text/html; charset=UTF-8
- Cache-Control
- Not sent
- Content-Encoding
- Not sent
Security
- Content-Security-Policy
- Not sent
- Strict-Transport-Security
- max-age=31536000;
- X-Frame-Options
- SAMEORIGIN
- X-Content-Type-Options
- nosniff
- Referrer-Policy
- Not sent
- Permissions-Policy
- Not sent
Redirect chain
- 1.
http://oops.org/HTTP 200
Meta tags
- Title
- BBuWoo's [Like Unix] World
- Description
- Joung Kyun, Kim's Homepage
- Canonical
- Not set
- Robots
- Not set
- Generator
- Not set
- Open Graph title
- Not set
- Open Graph description
- Not set
- Open Graph image
- Not set
- Open Graph type
- Not set
- Twitter card
- Not set
- Twitter title
- Not set
- Twitter image
- Not set
robots.txt
- Disallow rules (User-agent: *)
- 13
- Disallow rules (other agents)
- 2
No Sitemap declared in robots.txt.
Technology detected
Best-effort, based on a small set of well-known signals — this may be incomplete.
- Cloudflarecdn
Server: cloudflare
Related domains
Similar connectivity
Domains ranked just above and below it in the same snapshot.