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Domain report

classlink.com

classlink.com ranks in the top 0.015% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 37 distinct hosts observed under it.

Explore classlink.com in the Web Graph

Connectivity

#20,236harmonic-centrality rank
Top percentile
0.015%
Hosts observed
37

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

DNS records

A
  • 198.202.211.1
AAAA
No records found.
MX
  • 0 classlink-com.mail.protection.outlook.com.
NS
  • ns-261.awsdns-32.com.
  • ns-828.awsdns-39.net.
  • ns-1522.awsdns-62.org.
  • ns-2026.awsdns-61.co.uk.

Live preview

Screenshot of classlink.com

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

Since classlink.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
Not sent
Content-Encoding
Not sent

Security

Content-Security-Policy
frame-ancestors 'self'
Strict-Transport-Security
max-age=31536000
X-Frame-Options
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://classlink.com/HTTP 301

    → https://classlink.com/

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

    → https://www.classlink.com/

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

Meta tags

Title
ClassLink | Identity & Access Management for Education
Description
ClassLink is a provider of identity and access management products offering instant access to apps and files with SSO, class rostering, account provisioning, and analytics.
Canonical
https://www.classlink.com
Robots
Not set
Generator
Not set
Open Graph title
ClassLink | Identity & Access Management for Education
Open Graph description
ClassLink is a provider of identity and access management products offering instant access to apps and files with SSO, class rostering, account provisioning, and analytics.
Open Graph image
https://cdn.prod.website-files.com/5d6db64572061db9c481aaeb/69ce75be2267bcce93803000_2025-identity-meta.jpg
Open Graph type
website
Twitter card
summary_large_image
Twitter title
ClassLink | Identity & Access Management for Education
Twitter image
Not set

robots.txt

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

Sitemap declared:

  • https://www.classlink.com/sitemap.xml

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

Related domains

Similar connectivity

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