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Domain report

sinclair.edu

sinclair.edu ranks in the top 0.071% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 64 distinct hosts observed under it.

Explore sinclair.edu in the Web Graph

Connectivity

#94,721harmonic-centrality rank
Top percentile
0.071%
Hosts observed
64

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://sinclair.edu/ answered with HTTP 200.

DNS records

A
  • 140.106.57.31
AAAA
No records found.
MX
  • 0 sinclair-edu.mail.protection.outlook.com.
NS
  • ns4.oar.net.
  • ns1.oar.net.
  • ns6.oar.net.
  • ns7.oar.net.
  • segovia.sinclair.edu.
  • ns5.oar.net.

Live preview

Screenshot of sinclair.edu

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

Since sinclair.edu 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
no-cache="Set-Cookie"
Content-Encoding
Not sent

Security

Content-Security-Policy
upgrade-insecure-requests;frame-ancestors 'self' https://*.sinclair.edu;
Strict-Transport-Security
max-age=16070400; includeSubDomains
X-Frame-Options
SAMEORIGIN, SAMEORIGIN
X-Content-Type-Options
nosniff
Referrer-Policy
strict-origin-when-cross-origin
Permissions-Policy
Not sent

What each security header does

Redirect chain

  1. 1.http://sinclair.edu/HTTP 301

    → https://sinclair.edu/

  2. 2.https://sinclair.edu/HTTP 200

Meta tags

Title
Sinclair Community College
Description
Sinclair Community College offers over 300 associate and certificate programs, including specialized career training and technical areas of study that are in high demand in the Dayton Ohio region. Graduate from school in less than 2 years with the right skills to succeed in today's jobs. Sinclair also offers online courses and degree programs.
Canonical
https://www.sinclair.edu
Robots
Not set
Generator
Not set
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: *)
12
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 Tag Manageranalytics

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

  • Java (JSP/Servlet)other

    Cookie set: JSESSIONID

Related domains

Similar connectivity

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