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Domain report

classcode.dev

classcode.dev ranks in the top 0.27% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 2 distinct hosts observed under it.

Explore classcode.dev in the Web Graph

Connectivity

#360,390harmonic-centrality rank
Top percentile
0.27%
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://classcode.dev/ answered with HTTP 200.

DNS records

A
  • 75.2.60.5
  • 99.83.231.61
AAAA
No records found.
MX
  • 1 fwd1.porkbun.com.
  • 1 fwd2.porkbun.com.
NS
  • curitiba.ns.porkbun.com.
  • fortaleza.ns.porkbun.com.
  • maceio.ns.porkbun.com.
  • salvador.ns.porkbun.com.

Live preview

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

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
public,max-age=0,must-revalidate
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
Not sent
Referrer-Policy
Not sent
Permissions-Policy
Not sent

What each security header does

Redirect chain

  1. 1.http://classcode.dev/HTTP 301

    → https://classcode.dev/

  2. 2.https://classcode.dev/HTTP 301

    → https://www.classcode.dev/

  3. 3.https://www.classcode.dev/HTTP 200

Meta tags

Title
ClassCode - Free Seating Charts and Classroom Management Tools
Description
Not set
Canonical
Not set
Robots
Not set
Generator
Not set
Open Graph title
ClassCode - Free Classroom Tools for Teachers
Open Graph description
Simple, effective digital tools designed for real classroom use. Built by a teacher, for teachers.
Open Graph image
https://classcode.dev/images/logos/ClassCodeLogo_1200x630_bigger.png
Open Graph type
Not set
Twitter card
Not set
Twitter title
Not set
Twitter image
Not set

robots.txt

classcode.dev has no robots.txt.

Technology detected

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

  • Cloudflarecdn

    Server: cloudflare

Related domains

Similar connectivity

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