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Domain report

understood.org

understood.org ranks in the top 0.0073% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 29 distinct hosts observed under it.

Explore understood.org in the Web Graph

Connectivity

#9,665harmonic-centrality rank
Top percentile
0.0073%
Hosts observed
29

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://understood.org/ answered with HTTP 200.

DNS records

A
  • 104.18.14.133
  • 104.18.15.133
AAAA
  • 2606:4700::6812:e85
  • 2606:4700::6812:f85
MX
  • 0 smtp.google.com.
NS
  • fred.ns.cloudflare.com.
  • jill.ns.cloudflare.com.
AS
Server in network CLOUDFLARENET, AS13335 · United States104.18.14.0/24, which holds 104.18.14.133

Live preview

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

Domain registration (WHOIS / RDAP)

Registrar
Network Solutions, LLC
Registered
2003-10-22
Expires
2034-10-22
Last changed
2026-08-12

Nameservers: fred.ns.cloudflare.com, jill.ns.cloudflare.com

Status: active

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
public, 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

What each security header does

Redirect chain

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

    → https://understood.org/

  2. 2.https://understood.org/HTTP 308

    → https://www.understood.org/

  3. 3.https://www.understood.org/HTTP 200

Meta tags

Title
Understood. For everyone navigating neurodivergence.
Description
Understood.org is a nonprofit that translates trusted knowledge about ADHD, dyslexia, and other forms of neurodivergence into clear guidance, practical tools, and community support.
Canonical
https://www.understood.org
Robots
index, follow
Generator
Not set
Open Graph title
Understood. For everyone navigating neurodivergence.
Open Graph description
Understood.org is a nonprofit that translates trusted knowledge about ADHD, dyslexia, and other forms of neurodivergence into clear guidance, practical tools, and community support.
Open Graph image
https://cdn-images.understood.org/p0qf7j048i0q/61esyuwTDP4cNI26JfArCp/1f80f315f2d4653f87bb89a796e20dd4/fallback_image.png
Open Graph type
Not set
Twitter card
summary_large_image
Twitter title
Understood. For everyone navigating neurodivergence.
Twitter image
https://cdn-images.understood.org/p0qf7j048i0q/61esyuwTDP4cNI26JfArCp/1f80f315f2d4653f87bb89a796e20dd4/fallback_image.png

robots.txt

Disallow rules (User-agent: *)
10
Disallow rules (other agents)
0

Sitemap declared:

  • https://www.understood.org/sitemap.xml

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

  • Cloudflare Bot Managementcdn

    Cookie set: __cf_bm

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