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Domain report

challengebasedlearning.org

challengebasedlearning.org ranks in the top 0.36% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 2 distinct hosts observed under it.

Explore challengebasedlearning.org in the Web Graph

Connectivity

#479,431harmonic-centrality rank
Top percentile
0.36%
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://challengebasedlearning.org/ answered with HTTP 200.

DNS records

A
  • 69.163.175.124
AAAA
No records found.
MX
  • 0 mx2.mailchannels.net.
  • 0 mx1.mailchannels.net.
NS
  • ns3.dreamhost.com.
  • ns2.dreamhost.com.
  • ns1.dreamhost.com.
AS
Server in network DREAMHOST-AS, AS26347 · United States69.163.175.0/24, which holds 69.163.175.124

Live preview

Screenshot of challengebasedlearning.org

This site sends "X-Frame-Options: SAMEORIGIN", which blocks embedding it here.

Since challengebasedlearning.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
GoDaddy.com, LLC
Registered
2008-07-29
Expires
2027-07-29
Last changed
2026-09-12

Nameservers: ns1.dreamhost.com, ns2.dreamhost.com, ns3.dreamhost.com

Status: client delete prohibited, client renew prohibited, client transfer prohibited, client update prohibited

How to read WHOIS and RDAP data

SSL certificate

Certificate Transparency lookup failed: The operation was aborted due to timeout

How to check when a certificate expires

HTTP & security headers

Response

Server
cloudflare
Content-Type
text/html; charset=UTF-8
Cache-Control
max-age=0
Content-Encoding
Not sent

Security

Content-Security-Policy
default-src * 'unsafe-inline' 'unsafe-eval' data: blob:;
Strict-Transport-Security
max-age=31536000;
X-Frame-Options
SAMEORIGIN
X-Content-Type-Options
nosniff
Referrer-Policy
no-referrer-when-downgrade
Permissions-Policy
Not sent

What each security header does

Redirect chain

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

    → https://challengebasedlearning.org/

  2. 2.https://challengebasedlearning.org/HTTP 301

    → https://www.challengebasedlearning.org/

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

Meta tags

Title
Challenge Based Learning | Take Action. Make a Difference.
Description
Not set
Canonical
https://www.challengebasedlearning.org/
Robots
max-image-preview:large
Generator
Divi v.4.27.9
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: *)
1
Disallow rules (other agents)
0

Sitemap declared:

  • https://www.challengebasedlearning.org/wp-sitemap.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

  • 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.