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linuxfoundation.jp

linuxfoundation.jp ranks in the top 0.40% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 7 distinct hosts observed under it.

Explore linuxfoundation.jp in the Web Graph

Connectivity

#527,943harmonic-centrality rank
Top percentile
0.40%
Hosts observed
7

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://linuxfoundation.jp/ answered with HTTP 200.

DNS records

A
  • 3.131.150.69
AAAA
No records found.
MX
  • 10 mx1.forwardemail.net.
  • 10 mx2.forwardemail.net.
NS
  • ns1.dnsimple-edge.com.
  • ns2.dnsimple-edge.net.
  • ns3.dnsimple-edge.io.
  • ns4.dnsimple-edge.org.

Live preview

Screenshot of linuxfoundation.jp

This site sends "X-Frame-Options: SAMEORIGIN", which blocks embedding it here.

Since linuxfoundation.jp 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)

No RDAP (WHOIS) data is available for linuxfoundation.jp.

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
s-maxage=36000, max-age=5
Content-Encoding
Not sent

Security

Content-Security-Policy
upgrade-insecure-requests
Strict-Transport-Security
max-age=31536000
X-Frame-Options
SAMEORIGIN
X-Content-Type-Options
Not sent
Referrer-Policy
no-referrer-when-downgrade
Permissions-Policy
Not sent

What each security header does

Redirect chain

  1. 1.http://linuxfoundation.jp/HTTP 301

    → https://www.linuxfoundation.org/ja-jp/

  2. 2.https://www.linuxfoundation.org/ja-jp/HTTP 200

Meta tags

Title
Linux Foundation JP - Homepage
Description
オープンテクノロジー プロジェクトは、世界のオープンソース ソフトウェア、コミュニティ、企業の構築を支えています。
Canonical
https://www.linuxfoundation.org/ja-jp/
Robots
Not set
Generator
HubSpot
Open Graph title
Linux Foundation JP - Homepage
Open Graph description
オープンテクノロジー プロジェクトは、世界のオープンソース ソフトウェア、コミュニティ、企業の構築を支えています。
Open Graph image
Not set
Open Graph type
Not set
Twitter card
summary
Twitter title
Linux Foundation JP - Homepage
Twitter image
Not set

robots.txt

linuxfoundation.jp has no robots.txt.

Technology detected

Best-effort, based on a small set of well-known signals — this may be incomplete.

  • Cloudflarecdn

    Server: cloudflare

  • Google Tag Manageranalytics

    Found "googletagmanager.com/gtm.js" in the page's HTML

  • Cloudflare Bot Managementcdn

    Cookie set: __cf_bm

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