Domain report
ddsb.ca
ddsb.ca ranks in the top 0.48% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 221 distinct hosts observed under it.
Connectivity
- Top percentile
- 0.48%
- Hosts observed
- 221
From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means
HTTPS reachability
https://ddsb.ca/ answered with HTTP 200.
DNS records
- A
- 20.15.0.36
- AAAA
- No records found.
- MX
- 0 ddsb-ca.mail.protection.outlook.com.
- NS
- dns2.easydns.net.
- dns3.easydns.ca.
- dns1.easydns.com.
Live preview
This site sends "X-Frame-Options: SAMEORIGIN", which blocks embedding it here.
Since ddsb.ca 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).
SSL certificate
Certificate Transparency lookup failed (HTTP 429).
HTTP & security headers
Response
- Server
- cloudflare
- Content-Type
- text/html; charset=utf-8
- Cache-Control
- public, max-age=600, stale-if-error=86400
- Content-Encoding
- Not sent
Security
- Content-Security-Policy
- Not sent
- Strict-Transport-Security
- max-age=31536000; includeSubDomains
- X-Frame-Options
- SAMEORIGIN
- X-Content-Type-Options
- nosniff
- Referrer-Policy
- strict-origin
- Permissions-Policy
- Not sent
Redirect chain
- 1.
http://ddsb.ca/HTTP 301→ https://ddsb.ca/
- 2.
https://ddsb.ca/HTTP 308→ https://www.ddsb.ca/
- 3.
https://www.ddsb.ca/HTTP 200
Meta tags
- Title
- Home | Durham District School Board
- Description
- The official website for Durham District School Board.
- Canonical
- https://www.ddsb.ca/
- Robots
- index,follow
- Generator
- Not set
- Open Graph title
- Home | Durham District School Board
- Open Graph description
- The official website for Durham District School Board.
- Open Graph image
- https://media-003-ca.cdn.govstack.com/ddsb-ca/media/tm1c5v2y/board_logo.svg
- Open Graph type
- website
- Twitter card
- summary_large_image
- Twitter title
- Not set
- Twitter image
- Not set
robots.txt
- Disallow rules (User-agent: *)
- 7
- Disallow rules (other agents)
- 0
Sitemap declared:
https://www.ddsb.ca/sitemap-xml/
Technology detected
Best-effort, based on a small set of well-known signals — this may be incomplete.
- Cloudflarecdn
Server: cloudflare
- Google Analyticsanalytics
Found "www.google-analytics.com" in the page's HTML
Related domains
Similar connectivity
Domains ranked just above and below it in the same snapshot.