Domain report
cotree.jp
cotree.jp ranks in the top 0.35% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 8 distinct hosts observed under it.
Connectivity
- Top percentile
- 0.35%
- Hosts observed
- 8
From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means
HTTPS reachability
https://cotree.jp/ answered with HTTP 200.
DNS records
- A
- 76.76.21.21
- AAAA
- No records found.
- MX
- 1 aspmx.l.google.com.
- 10 alt3.aspmx.l.google.com.
- 10 alt4.aspmx.l.google.com.
- 5 alt1.aspmx.l.google.com.
- 5 alt2.aspmx.l.google.com.
- NS
- ns-1127.awsdns-12.org.
- ns-1731.awsdns-24.co.uk.
- ns-224.awsdns-28.com.
- ns-935.awsdns-52.net.
Live preview
This is a live, sandboxed embed of cotree.jp — not a copy. What it shows can change any time the site itself does.
Domain registration (WHOIS / RDAP)
RDAP lookup failed (HTTP 429).
SSL certificate
Certificate Transparency lookup failed (HTTP 429).
HTTP & security headers
Response
- Server
- cloudflare
- Content-Type
- text/html; charset=utf-8
- Cache-Control
- private, no-cache, no-store, max-age=0, must-revalidate
- Content-Encoding
- Not sent
Security
- Content-Security-Policy
- Not sent
- Strict-Transport-Security
- max-age=63072000
- X-Frame-Options
- Not sent
- X-Content-Type-Options
- Not sent
- Referrer-Policy
- Not sent
- Permissions-Policy
- Not sent
Redirect chain
- 1.
http://cotree.jp/HTTP 308→ https://cotree.jp/
- 2.
https://cotree.jp/HTTP 200
Meta tags
- Title
- オンラインカウンセリングなら「cotree」
- Description
- ...
- Canonical
- Not set
- Robots
- Not set
- Generator
- Not set
- Open Graph title
- オンラインカウンセリングなら「cotree」
- Open Graph description
- ...
- Open Graph image
- Not set
- Open Graph type
- Not set
- Twitter card
- summary_large_image
- Twitter title
- オンラインカウンセリングなら「cotree」
- Twitter image
- Not set
robots.txt
- Disallow rules (User-agent: *)
- 3
- Disallow rules (other agents)
- 0
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
- Next.jsframework
X-Powered-By: Next.js
- Google Tag Manageranalytics
Found "googletagmanager.com/gtm.js" in the page's HTML
Related domains
Similar connectivity
Domains ranked just above and below it in the same snapshot.