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Domain report

adelphi.edu

adelphi.edu ranks in the top 0.0079% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 246 distinct hosts observed under it.

Explore adelphi.edu in the Web Graph

Connectivity

#10,461harmonic-centrality rank
Top percentile
0.0079%
Hosts observed
246

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

DNS records

A
  • 192.147.12.33
AAAA
No records found.
MX
  • 10 delivery.adelphi.edu.
  • 5 mercury.adelphi.edu.
NS
  • ns3.adelphi.edu.
  • ns1.adelphi.edu.
  • ns9.adelphi.edu.

Live preview

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

Domain registration (WHOIS / RDAP)

No RDAP (WHOIS) data is available for adelphi.edu.

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
max-age=0
Content-Encoding
Not sent

Security

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

What each security header does

Redirect chain

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

    → https://adelphi.edu/

  2. 2.https://adelphi.edu/HTTP 301

    → https://www.adelphi.edu/

  3. 3.https://www.adelphi.edu/HTTP 200

Meta tags

Title
Adelphi University | Higher Education College | New York
Description
Discover Adelphi University on Long Island, a prestigious New York university for master's and bachelor’s degrees. Named the best college by Princeton Review.
Canonical
https://www.adelphi.edu/
Robots
index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
Generator
WordPress 6.6.9
Open Graph title
Adelphi University
Open Graph description
Discover Adelphi University, Long Island's oldest university for master's and bachelor’s degrees. Named best college by Princeton Review.
Open Graph image
https://www.adelphi.edu/wp-content/uploads/2020/06/Adelphi-campus-1-1024x684.jpg
Open Graph type
website
Twitter card
summary_large_image
Twitter title
Adelphi Univeristy
Twitter image
https://www.adelphi.edu/wp-content/uploads/2020/06/New-Adelphi-Homepage-2020-1.jpg

robots.txt

Disallow rules (User-agent: *)
1
Disallow rules (other agents)
0

Sitemap declared:

  • https://www.adelphi.edu/sitemap_index.xml

Technology detected

Best-effort, based on a small set of well-known signals — this may be incomplete.

  • Cloudflarecdn

    Server: cloudflare

  • WordPresscms

    <meta name="generator"> = "WordPress 6.6.9"

  • Google Tag Manageranalytics

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

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