Domain report
classbook.fr
classbook.fr ranks in the top 0.21% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 1 distinct host observed under it.
Connectivity
- Top percentile
- 0.21%
- Hosts observed
- 1
From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means
HTTPS reachability
https://classbook.fr/ answered with HTTP 200.
DNS records
- A
- 164.132.235.17
- AAAA
- No records found.
- MX
- 1 mx1.mail.ovh.net.
- 5 mx2.mail.ovh.net.
- 100 mx3.mail.ovh.net.
- NS
- ns104.ovh.net.
- dns104.ovh.net.
- AS
- Server in network OVH, AS16276 · France164.132.235.0/24, which holds 164.132.235.17
Live preview
This is a live, sandboxed embed of classbook.fr — 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
- Cache-Control
- Not sent
- Content-Encoding
- Not sent
Security
- Content-Security-Policy
- Not sent
- Strict-Transport-Security
- Not sent
- X-Frame-Options
- Not sent
- X-Content-Type-Options
- Not sent
- Referrer-Policy
- Not sent
- Permissions-Policy
- Not sent
Redirect chain
- 1.
http://classbook.fr/HTTP 301→ https://classbook.fr/
- 2.
https://classbook.fr/HTTP 200
Meta tags
- Title
- ClassBook : Application de suivi de lecture & bibliothèque
- Description
- Suivez vos lectures et gérez votre bibliothèque : calendrier, série de lecture, objectif annuel et scan. Sur mobile et ordinateur. Gratuit jusqu'à 30 livres.
- Canonical
- https://classbook.fr/
- Robots
- index, follow
- Generator
- Not set
- Open Graph title
- ClassBook – Application de suivi de lecture et de gestion de bibliothèque
- Open Graph description
- ClassBook est une application de suivi de lecture et de gestion de bibliothèque. Suivez vos lectures, votre calendrier et votre série de lecture, atteignez votre objectif annuel, et gérez votre bibliothèque sans acheter vos livres en double.
- Open Graph image
- https://classbook.fr/images/og_image.png
- Open Graph type
- website
- Twitter card
- summary_large_image
- Twitter title
- ClassBook – Application de suivi de lecture et de gestion de bibliothèque
- Twitter image
- https://classbook.fr/images/og_image.png
robots.txt
- Disallow rules (User-agent: *)
- 0
- Disallow rules (other agents)
- 0
Sitemap declared:
https://classbook.fr/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 "googletagmanager.com/gtag/js" in the page's HTML
- 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.