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Domain report

gnu.io

gnu.io ranks in the top 0.30% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 3 distinct hosts observed under it.

Explore gnu.io in the Web Graph

Connectivity

#395,114harmonic-centrality rank
Top percentile
0.30%
Hosts observed
3

From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means

HTTPS reachability

200HTTP status

https://gnu.io/ answered with HTTP 200.

DNS records

A
  • 172.67.134.108
  • 104.21.25.174
AAAA
  • 2606:4700:3037::6815:19ae
  • 2606:4700:3030::ac43:866c
MX
No records found.
NS
  • aaron.ns.cloudflare.com.
  • ruth.ns.cloudflare.com.

Live preview

This is a live, sandboxed embed of gnu.io — not a copy. What it shows can change any time the site itself does.

Domain registration (WHOIS / RDAP)

No RDAP (WHOIS) data is available for gnu.io.

How to read WHOIS and RDAP data

SSL certificate

Certificate Transparency lookup failed (HTTP 429).

How to check when a certificate expires

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
Not sent
X-Frame-Options
Not sent
X-Content-Type-Options
Not sent
Referrer-Policy
Not sent
Permissions-Policy
Not sent

What each security header does

Redirect chain

  1. 1.http://gnu.io/HTTP 301

    → https://gnu.io/

  2. 2.https://gnu.io/HTTP 200

Meta tags

Title
Top 10 nhà cái Nổ Hũ uy tín, kho game đổi thưởng lớn 2026
Description
Danh sách TOP 10 nhà cái Nổ Hũ uy tín, an toàn nhất 2026. Hướng dẫn cách chơi, phân loại game Nổ Hũ và kinh nghiệm săn Jackpot từ các bet thủ lâu năm.
Canonical
https://gnu.io/vi-vn/
Robots
index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
Generator
WordPress 7.1.3
Open Graph title
Top 10 nhà cái Nổ Hũ uy tín, kho game đổi thưởng lớn 2026
Open Graph description
Danh sách TOP 10 nhà cái Nổ Hũ uy tín, an toàn nhất 2026. Hướng dẫn cách chơi, phân loại game Nổ Hũ và kinh nghiệm săn Jackpot từ các bet thủ lâu năm.
Open Graph image
Not set
Open Graph type
website
Twitter card
summary_large_image
Twitter title
Not set
Twitter image
Not set

robots.txt

Disallow rules (User-agent: *)
6
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

  • WordPresscms

    <meta name="generator"> = "WordPress 7.1.3"

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