Kaichigakuen.ed.jp belongs to GMOOSK-NET GMO Internet,Inc, JP. Check the list of other websites hosted by GMOOSK-NET GMO Internet,Inc, JP.
In terms of rank-to-traffic ratio, kaichigakuen.ed.jp has 1,578 unique users per day, viewing 3,188 pages. The rank based value of kaichigakuen.ed.jp is 2,333 USD. Every user makes 2.16 pageviews on average.
Kaichigakuen.ed.jp boasts a link base consisting of 240 referring domains and 293 external backlinks, as revealed by the data obtained from web network scanning.
Kaichigakuen.ed.jp top-level domain belongs to .JP domain zone. Check other webpages in .JP zone.
According the last verification test in August 16, 2024, kaichigakuen.ed.jp has an expired SSL certificate issued by Let's Encrypt (expired on October 28, 2024). Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by Let's Encrypt.
Based on data from Google Safe Browsing, Google Safe Search and Symantec kaichigakuen.ed.jp is a fairly safe domain.
Based on Mobile-Friendly test by Google kaichigakuen.ed.jp is poorly optimized for mobile phones and tablets. Remember that optimizing your website design for mobile devices ensures that all of your web pages perform well on all devices, page loading speed can also be accelerated.





| Domain | kaichigakuen.ed.jp |
| Issuer Organization | Let's Encrypt |
| Issuer | R10 |
| Algorithm | RSA-SHA256 |
| Valid form | 07/30/2024 |
| Expiration | 10/28/2024 |
| Signed | Certificate is not self signed |
| Additional Domains |
kaichigakuen.ed.jp www.kaichigakuen.ed.jp |
Alexa Rank shows how popular kaichigakuen.ed.jp is in comparison with other sites. The most popular site has Alexa Rank equals 1. If kaichigakuen.ed.jp has Alexa Rank equals 100,000, then it is in TOP 100,000 popular sites in the world. The rank is calculated using a combination of average daily visitors to kaichigakuen.ed.jp and pageviews on kaichigakuen.ed.jp over the past 3 months.
ASN ID: 58791
ASN Title: GMOOSK-NET GMO Internet,Inc, JPLast Update: 05/05/2026
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
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# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#
No match found for a 58791.
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#
[ JPRS database provides information on network administration. Its use is ]
[ restricted to network administration purposes. For further information, ]
[ use 'whois -h whois.jprs.jp help'. To suppress Japanese output, add'/e' ]
[ at the end of command, e.g. 'whois -h whois.jprs.jp xxx/e'. ]
Domain Information: [ドメイン情報]
a. [ドメイン名] KAICHIGAKUEN.ED.JP
e. [そしきめい] かいちこうとうがっこう
f. [組織名] 開智高等学校
g. [Organization] Kaichi Senior High School
k. [組織種別] 高等学校
l. [Organization Type] Highschool
m. [登録担当者] TS9268JP
n. [技術連絡担当者] TS9268JP
p. [ネームサーバ] ns1.dns.ne.jp
p. [ネームサーバ] ns2.dns.ne.jp
s. [署名鍵]
[状態] Connected (2022/08/31)
[登録年月日] 2001/08/10
[接続年月日] 2001/08/31
[最終更新] 2021/09/01 01:05:32 (JST)
| Host | A Record | TTL |
|---|---|---|
| kaichigakuen.ed.jp | 118.27.99.92 | 3600 |
| Host | MX Record | Priority | TTL |
|---|---|---|---|
| kaichigakuen.ed.jp | aspmx.l.google.com | 1 | 3600 |
| kaichigakuen.ed.jp | alt1.aspmx.l.google.com | 5 | 3600 |
| kaichigakuen.ed.jp | alt2.aspmx.l.google.com | 5 | 3600 |
| kaichigakuen.ed.jp | aspmx2.googlemail.com | 10 | 3600 |
| kaichigakuen.ed.jp | aspmx3.googlemail.com | 10 | 3600 |
| Host | NS Record | TTL |
|---|---|---|
| kaichigakuen.ed.jp | ns1.dns.ne.jp | 3600 |
| kaichigakuen.ed.jp | ns2.dns.ne.jp | 3600 |
| Host | TXT Record | TTL |
|---|---|---|
| kaichigakuen.ed.jp | google-site-verification=KXzIIj0dcEzRfeAtnMIqz25o3ZK6JcQk1F7qr1_Fi70 | 3600 |
| kaichigakuen.ed.jp | v=spf1 include:_spf.google.com ~all | 3600 |
| kaichigakuen.ed.jp | MS=8B7FA6AECAA31B30F5568FE5633E80C5B7366197 | 3600 |
| kaichigakuen.ed.jp | apple-domain-verification=bS8hWp3oV423THRz | 3600 |
| kaichigakuen.ed.jp | autodesk-domain-verification=QYh5Vc927-GphM-7QIsE | 3600 |
master.dns.ne.jp
TTL: 3600
Email address: tech.sakura.ad.jp
Serial: 2025040201
Refresh: 3600
Retry: 900
Expire: 3600000
Minimum: 3600