Domain report
addon.de
addon.de ranks in the top 0.45% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 2 distinct hosts observed under it.
Connectivity
- Top percentile
- 0.45%
- 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
https://addon.de/ answered with HTTP 200.
DNS records
- A
- 62.240.232.130
- 195.157.4.140
- 195.157.4.130
- 62.240.232.140
- AAAA
- No records found.
- MX
- 0 addon-de.mail.protection.outlook.com.
- NS
- ns7.za-internet.net.
- ns11.zainternet.net.
- ns8.za-domain.de.
Live preview
This is a live, sandboxed embed of addon.de — not a copy. What it shows can change any time the site itself does.
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
- Not sent
- Content-Encoding
- Not sent
Security
- Content-Security-Policy
- Not sent
- Strict-Transport-Security
- max-age=31536000; includeSubDomains
- X-Frame-Options
- Not sent
- X-Content-Type-Options
- nosniff
- Referrer-Policy
- Not sent
- Permissions-Policy
- Not sent
Redirect chain
- 1.
http://addon.de/HTTP 301→ https://training.claranet.com/de/redirect?referer=addon.de/
- 2.
https://training.claranet.com/de/redirect?referer=addon.de/HTTP 302→ https://training.claranet.com/
- 3.
https://training.claranet.com/HTTP 302→ https://training.claranet.com/de/
- 4.
https://training.claranet.com/de/HTTP 200
Meta tags
- Title
- IT-Trainings & Zertifizierungen | Claranet
- Description
- Über 200 IT-Kurse in Microsoft, AWS, SAP & mehr. Jetzt Weiterbildung starten & Zertifizierung sichern!
- Canonical
- https://training.claranet.com/de/
- 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: *)
- 0
- 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
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Similar connectivity
Domains ranked just above and below it in the same snapshot.