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Domain report

edgedc.org

edgedc.org ranks in the top 0.073% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 2 distinct hosts observed under it.

Explore edgedc.org in the Web Graph

Connectivity

#97,802harmonic-centrality rank
Top percentile
0.073%
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

200HTTP status

https://edgedc.org/ answered with HTTP 200.

DNS records

A
  • 172.67.157.245
  • 104.21.58.77
AAAA
  • 2606:4700:3030::6815:3a4d
  • 2606:4700:3036::ac43:9df5
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
  • clark.ns.cloudflare.com.
  • dara.ns.cloudflare.com.

Live preview

This is a live, sandboxed embed of edgedc.org — not a copy. What it shows can change any time the site itself does.

Domain registration (WHOIS / RDAP)

RDAP lookup failed (HTTP 429).

How to read WHOIS and RDAP data

SSL certificate

Certificate Transparency lookup failed (HTTP 429).

How to check when a certificate expires

HTTP & security headers

Response

Server
cloudflare
Content-Type
text/html; charset=UTF-8
Cache-Control
no-store, no-cache, must-revalidate
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

What each security header does

Redirect chain

  1. 1.http://edgedc.org/HTTP 301

    → https://edgedc.org/

  2. 2.https://edgedc.org/HTTP 200

Meta tags

Title
首頁 | Edge Development Centre
Description
Edge Development Centre 位於觀塘，提供負擔得起、具資助及私營的 SEN 服務。我們擁有專業團隊，致力以科學實證的方法為有特殊教育需要的兒童及青少年提供評估與訓練。
Canonical
Not set
Robots
Not set
Generator
Not set
Open Graph title
首頁 | Edge Development Centre
Open Graph description
Edge Development Centre 位於觀塘，提供負擔得起、具資助及私營的 SEN 服務。我們擁有專業團隊，致力以科學實證的方法為有特殊教育需要的兒童及青少年提供評估與訓練。
Open Graph image
Open Graph type
website
Twitter card
Not set
Twitter title
Not set
Twitter image
Not set

robots.txt

Disallow rules (User-agent: *)
1
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

  • Google Analyticsanalytics

    Found "googletagmanager.com/gtag/js" in the page's HTML

Related domains

Similar connectivity

Domains ranked just above and below it in the same snapshot.