Domain report
readinggroups.org
readinggroups.org ranks in the top 0.36% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 2 distinct hosts observed under it.
Connectivity
- Top percentile
- 0.36%
- 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://readinggroups.org/ answered with HTTP 200.
Certificate until 2027-01-08C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA DV E36
DNS records
- A
- 104.21.55.122
- 172.67.148.25
- AAAA
- 2606:4700:3037::6815:377a
- 2606:4700:3036::ac43:9419
- MX
- No records found.
- NS
- miki.ns.cloudflare.com.
- sullivan.ns.cloudflare.com.
- AS
- Server in network CLOUDFLARENET, AS13335 · United States104.21.55.0/24, which holds 104.21.55.122
Live preview
This site sends "X-Frame-Options: SAMEORIGIN", which blocks embedding it here.
Since readinggroups.org 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)
- Registrar
- NameCheap, Inc.
- Registered
- 2010-11-16
- Expires
- 2027-11-16
- Last changed
- 2026-10-17
Nameservers: miki.ns.cloudflare.com, sullivan.ns.cloudflare.com
Status: client transfer prohibited, renew period
SSL certificate
- Common name
- readinggroups.org
- Issuer
- C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA DV E36
- Valid from
- 2026-10-13
- Valid until
- 2027-01-08
Matches readinggroups.org exactly. Source: Certificate Transparency logs (crt.sh).
HTTP & security headers
Response
- Server
- cloudflare
- Content-Type
- text/html; charset=utf-8
- Cache-Control
- max-age=0, private, must-revalidate
- Content-Encoding
- Not sent
Security
- Content-Security-Policy
- Not sent
- Strict-Transport-Security
- max-age=63072000; includeSubDomains
- X-Frame-Options
- SAMEORIGIN
- X-Content-Type-Options
- nosniff
- Referrer-Policy
- strict-origin-when-cross-origin
- Permissions-Policy
- Not sent
Redirect chain
- 1.
http://readinggroups.org/HTTP 301→ https://readinggroups.org/
- 2.
https://readinggroups.org/HTTP 301→ https://bookclubhub.co.uk/
- 3.
https://bookclubhub.co.uk/HTTP 200
Meta tags
- Title
- Book Club Hub
- Description
- Not set
- Canonical
- Not set
- 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
- 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.