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Domain report

js88.com

js88.com ranks in the top 0.31% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 36 distinct hosts observed under it.

Explore js88.com in the Web Graph

Connectivity

#407,526harmonic-centrality rank
Top percentile
0.31%
Hosts observed
36

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://js88.com/ answered with HTTP 200.

DNS records

A
  • 18.178.103.84
  • 13.193.82.69
AAAA
No records found.
MX
  • 10 mx.zoho.jp.
  • 20 mx2.zoho.jp.
  • 50 mx3.zoho.jp.
NS
  • ns-1409.awsdns-48.org.
  • ns-1880.awsdns-43.co.uk.
  • ns-329.awsdns-41.com.
  • ns-727.awsdns-26.net.
AS
Server in network AMAZON-02, AS16509 · United States18.178.103.0/24, which holds 18.178.103.84

Live preview

This is a live, sandboxed embed of js88.com — not a copy. What it shows can change any time the site itself does.

Domain registration (WHOIS / RDAP)

RDAP lookup failed (HTTP 429).

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
private, no-store
Content-Encoding
Not sent

Security

Content-Security-Policy
Not sent
Strict-Transport-Security
Not sent
X-Frame-Options
Not sent
X-Content-Type-Options
nosniff
Referrer-Policy
strict-origin-when-cross-origin
Permissions-Policy
Not sent

What each security header does

Redirect chain

  1. 1.http://js88.com/HTTP 301

    → https://js88.com/

  2. 2.https://js88.com/HTTP 301

    → https://school.js88.com/

  3. 3.https://school.js88.com/HTTP 200

Meta tags

Title
JS日本の学校｜日本最大規模の学校情報サイト
Description
JS日本の学校は、大学、短大、専門学校、高校、中学校、小学校、幼稚園、保育園などの情報を全国８万校以上網羅している日本最大規模の学校情報サイトです。日本ABC協会の会員で、年間300万部以上、進学ガイドブックも発行しています。また、塾や英会話教室の情報など、家族に教えたい教育情報を提供しています。
Canonical
https://school.js88.com
Robots
Not set
Generator
Not set
Open Graph title
Not set
Open Graph description
Not set
Open Graph image
https://school.js88.com/images/favicon.png
Open Graph type
website
Twitter card
Not set
Twitter title
Not set
Twitter image
Not set

robots.txt

Disallow rules (User-agent: *)
21
Disallow rules (other agents)
0

Sitemaps declared:

  • https://school.js88.com/sitemap_image.xml
  • https://school.js88.com/sitemap_movie.xml
  • https://school.js88.com/sitemap_root.xml

Technology detected

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

  • Cloudflarecdn

    Server: cloudflare

  • Google Analyticsanalytics

    Found "www.google-analytics.com" in the page's HTML

Related domains

Similar connectivity

Domains ranked just above and below it in the same snapshot.