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Domain report

altmedium.jp

altmedium.jp ranks in the top 0.12% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 1 distinct host observed under it.

Explore altmedium.jp in the Web Graph

Connectivity

#162,298harmonic-centrality rank
Top percentile
0.12%
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

200HTTP status

https://altmedium.jp/ answered with HTTP 200.

Certificate until 2026-11-06C=US, O=Let's Encrypt, CN=YE2

DNS records

A
  • 202.172.26.33
AAAA
No records found.
MX
  • 50 mx01.muumuu-mail.com.
NS
  • dns01.muumuu-domain.com.
  • dns02.muumuu-domain.com.
AS
Server in network DigiRock, Inc., AS37907 · Japan202.172.26.0/24, which holds 202.172.26.33

Live preview

This is a live, sandboxed embed of altmedium.jp — 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 altmedium.jp.

How to read WHOIS and RDAP data

SSL certificate

Common name
altmedium.jp
Issuer
C=US, O=Let's Encrypt, CN=YE2
Valid from
2026-08-08
Valid until
2026-11-06

Matches altmedium.jp exactly. Source: Certificate Transparency logs (crt.sh).

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
max-age=31536000
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://altmedium.jp/HTTP 301

    → https://altmedium.jp/

  2. 2.https://altmedium.jp/HTTP 200

Meta tags

Title
Alt_Medium | オルトメディウム
Description
Alt_Mediumは美術を中心に様々なジャンルの展覧会を開催している、高田馬場のギャラリーです。人と作品が対話を重ね、発展するための媒介として、広がり続ける表現や思考に柔軟に対応し、日々新しい挑戦を続けています。
Canonical
https://altmedium.jp/
Robots
max-image-preview:large
Generator
WordPress 7.1.3
Open Graph title
Alt_Medium | オルトメディウム
Open Graph description
Alt_Mediumは美術を中心に様々なジャンルの展覧会を開催している、高田馬場のギャラリーです。人と作品が対話を重ね、発展するための媒介として、広がり続ける表現や思考に柔軟に対応し、日々新しい挑戦を続けています。
Open Graph image
https://altmedium.jp/wp-content/uploads/2023/11/alt_medium_twitter_headder.jpg
Open Graph type
website
Twitter card
summary_large_image
Twitter title
Alt_Medium | オルトメディウム
Twitter image
https://altmedium.jp/wp-content/uploads/2023/11/alt_medium_twitter_headder.jpg

robots.txt

Disallow rules (User-agent: *)
1
Disallow rules (other agents)
0

Sitemap declared:

  • https://altmedium.jp/wp-sitemap.xml

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"

  • Google Analyticsanalytics

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

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Similar connectivity

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