Domain report
lib4ri.ch
lib4ri.ch ranks in the top 0.028% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 9 distinct hosts observed under it.
Connectivity
- Top percentile
- 0.028%
- Hosts observed
- 9
From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means
HTTPS reachability
https://lib4ri.ch/ answered with HTTP 200.
DNS records
- A
- 152.88.10.20
- AAAA
- No records found.
- MX
- 10 lib4ri-ch.mail.protection.outlook.com.
- NS
- dns4.emp-eaw.ch.
- dns3.emp-eaw.ch.
Live preview
This site sends "X-Frame-Options: SAMEORIGIN, SAMEORIGIN", which blocks embedding it here.
Since lib4ri.ch 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
- must-revalidate, no-cache, private
- Content-Encoding
- Not sent
Security
- Content-Security-Policy
- Not sent
- Strict-Transport-Security
- max-age=63072000; includeSubdomains
- X-Frame-Options
- SAMEORIGIN, SAMEORIGIN
- X-Content-Type-Options
- nosniff, nosniff
- Referrer-Policy
- Not sent
- Permissions-Policy
- Not sent
Redirect chain
- 1.
http://lib4ri.ch/HTTP 301→ https://www.lib4ri.ch/
- 2.
https://www.lib4ri.ch/HTTP 200
Meta tags
- Title
- Home | Lib4RI
- Description
- Not set
- Canonical
- https://www.lib4ri.ch/
- Robots
- Not set
- Generator
- Drupal 10 (https://www.drupal.org)
- 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: *)
- 23
- Disallow rules (other agents)
- 0
Sitemap declared:
https://www.lib4ri.ch/sitemap.xml
Technology detected
Best-effort, based on a small set of well-known signals — this may be incomplete.
- Cloudflarecdn
Server: cloudflare
- Drupalcms
<meta name="generator"> = "Drupal 10 (https://www.drupal.org)"
Related domains
Similar connectivity
Domains ranked just above and below it in the same snapshot.