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Domain report

on3.com

on3.com ranks in the top 0.024% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 12 distinct hosts observed under it.

Explore on3.com in the Web Graph

Connectivity

#32,327harmonic-centrality rank
Top percentile
0.024%
Hosts observed
12

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://on3.com/ answered with HTTP 200.

DNS records

A
  • 172.66.171.47
  • 104.20.39.107
AAAA
  • 2606:4700:10::6814:276b
  • 2606:4700:10::ac42:ab2f
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
  • rex.ns.cloudflare.com.
  • vivienne.ns.cloudflare.com.
AS
Server in network CLOUDFLARENET, AS13335 · United States172.66.171.0/24, which holds 172.66.171.47

Live preview

Screenshot of on3.com

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

Since on3.com 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)

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
private, no-cache, no-store, max-age=0, must-revalidate
Content-Encoding
Not sent

Security

Content-Security-Policy
Strict-Transport-Security
max-age=31536000; includeSubDomains; preload
X-Frame-Options
deny
X-Content-Type-Options
nosniff
Referrer-Policy
Not sent
Permissions-Policy
Not sent

What each security header does

Redirect chain

  1. 1.http://on3.com/HTTP 301

    → https://on3.com/

  2. 2.https://on3.com/HTTP 301

    → https://www.on3.com/

  3. 3.https://www.on3.com/HTTP 200

Meta tags

Title
On3.com | The Best of College and High School Sports
Description
On3 is the best resource for college and high school sports, recruiting, and NIL. Find all of your favorite team's information or browse our advanced player database.
Canonical
https://www.on3.com/
Robots
Not set
Generator
Not set
Open Graph title
On3.com | The Best of College and High School Sports
Open Graph description
On3 is the best resource for college and high school sports, recruiting, and NIL. Find all of your favorite team's information or browse our advanced player database.
Open Graph image
https://on3static.com/cdn-cgi/image/height=627,width=1200,quality=95,fit=cover/static/on3/on3-share.jpeg
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)
4

Sitemaps declared:

  • https://www.on3.com/sitemap.xml
  • https://www.on3.com/news-sitemap.xml
  • https://www.on3.com/boards/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

Related domains

Similar connectivity

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