Domain report
wsd2o.org
wsd2o.org ranks in the top 0.16% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 2 distinct hosts observed under it.
Connectivity
- Top percentile
- 0.16%
- Hosts observed
- 2
From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means
HTTPS reachability
https://wsd2o.org/ answered with HTTP 200.
Certificate until 2026-11-29C=US, O=Let's Encrypt, CN=YR1
DNS records
- A
- 183.90.240.49
- AAAA
- No records found.
- MX
- 0 wsd2o.org.
- NS
- ns4.xserver.jp.
- ns3.xserver.jp.
- ns1.xserver.jp.
- ns5.xserver.jp.
- ns2.xserver.jp.
- AS
- Server in network Xserver Inc., AS131965 · Japan183.90.240.0/24, which holds 183.90.240.49
Live preview
This is a live, sandboxed embed of wsd2o.org — not a copy. What it shows can change any time the site itself does.
Domain registration (WHOIS / RDAP)
- Registrar
- GMO Internet Group, Inc. d/b/a Onamae.com
- Registered
- 2019-11-21
- Expires
- 2027-11-21
- Last changed
- 2026-08-12
Nameservers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp
Status: active
SSL certificate
- Common name
- www.wsd2o.org
- Issuer
- C=US, O=Let's Encrypt, CN=YR1
- Valid from
- 2026-08-31
- Valid until
- 2026-11-29
Matches wsd2o.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
- Not sent
- X-Frame-Options
- Not sent
- X-Content-Type-Options
- Not sent
- Referrer-Policy
- Not sent
- Permissions-Policy
- Not sent
Redirect chain
- 1.
http://wsd2o.org/HTTP 301→ https://wsd2o.org/
- 2.
https://wsd2o.org/HTTP 200
Meta tags
- Title
- 認定ワークショップデザイナー
- Description
- 青山学院大学・大阪大学・鳥取大学「ワークショップデザイナー育成プログラム」修了後、実践を積み、ワークショップを活用して社会に貢献できる資質を持ったワークショップデザイナーに付与する資格です。
- Canonical
- https://wsd2o.org/
- Robots
- index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
- Generator
- Not set
- Open Graph title
- 認定ワークショップデザイナー
- Open Graph description
- 青山学院大学・大阪大学・鳥取大学「ワークショップデザイナー育成プログラム」修了後、実践を積み、ワークショップを活用して社会に貢献できる資質を持ったワークショップデザイナーに付与する資格です。
- Open Graph image
- https://wsd2o.org/wp/wp-content/uploads/2026/09/OGP.png
- Open Graph type
- website
- Twitter card
- summary_large_image
- Twitter title
- Not set
- Twitter image
- Not set
robots.txt
- Disallow rules (User-agent: *)
- 1
- Disallow rules (other agents)
- 0
Sitemap declared:
https://wsd2o.org/sitemap_index.xml
Technology detected
Best-effort, based on a small set of well-known signals — this may be incomplete.
- Cloudflarecdn
Server: cloudflare
- WordPresscms
Found "wp-content/" in the page's HTML
Related domains
Similar connectivity
Domains ranked just above and below it in the same snapshot.