Cside.jp is a Japanese website that offers various rental server services. The site has a simple design with a professional outlook. The design elements are in perfect harmony with each other, and the site is easy to navigate. The site offers all the relevant information in an organized manner. The main menu is at the top left corner of the site, and all the relevant services are listed on the menu.
The site has a clear title, "サポート力で選ぶならシーサイドネットのレンタルサーバー," which translates to "Choose the Seaside Net rental server for support." It clearly indicates that the site offers rental server services, and it emphasizes the reliability and the quality of customer support that the site provides.
The site's description summarizes the services that the site offers concisely. "共用サーバー、専用サーバーなどレンタルサーバーのことならシーサイドネットにお任せください。" Which translates to "Leave it to Seaside Net for rental servers such as shared servers and dedicated servers." It is an excellent summary of the site's services, and it gives a clear understanding of what the site offers to the users.
The site has a considerable number of unique users, with 3168 per day, and 5702.4 page views. These numbers signify that the site is popular among the users, and it is attracting enough traffic to be a valuable asset. According to siteworthtraffic.com, the site is worth $102200 US dollars, which is a good indicator of its overall performance.
The site is hosted by MEX Computer Engineering & Consulting, Ltd., in Japan. The .JP top-level domain indicates that the site is from Japan. The hosting service is a reliable one, and the site is secure and protected.
The website is ideal for family-friendly usage because the contents are informational and non-offensive. The site has no explicit or violent content, and therefore it is suitable for general viewing.
The PageSpeed Insights score for the site is 52, which means that the site has significant room for improvement in terms of its speed. The score, in general, is considered to be low. The site's loading speed is essential for visitors, and a low score is not a good indicator of better user experience.
Overall, cside.jp is a reliable and





| Domain | *.cside.jp |
| Issuer Organization | Sectigo Limited |
| Issuer | Sectigo RSA Domain Validation Secure Server CA |
| Algorithm | RSA-SHA256 |
| Valid form | 02/22/2024 |
| Expiration | 03/23/2025 |
| Signed | Certificate is not self signed |
| Additional Domains |
*.cside.jp cside.jp |
Alexa Rank shows how popular cside.jp is in comparison with other sites. The most popular site has Alexa Rank equals 1. If cside.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 cside.jp and pageviews on cside.jp over the past 3 months.
ASN ID: 58791
ASN Title: GMOOSK-NET GMO Internet,Inc, JPLast Update: 03/18/2026
#
# 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
#
# 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]
[Domain Name] CSIDE.JP
[登録者名] 株式会社シーサイドネット
[Registrant] CsideNet Co., Ltd.
[Name Server] dns01.cside.jp
[Name Server] dns02.cside.jp
[Signing Key]
[登録年月日] 2001/03/26
[有効期限] 2025/03/31
[状態] Active
[最終更新] 2024/04/01 01:05:04 (JST)
Contact Information: [公開連絡窓口]
[名前] 株式会社シーサイドネット
[Name] CsideNet Co., Ltd.
[Email] domain@cside.jp
[Web Page]
[郵便番号] 170-6046
[住所] 東京都千代田区三番町14-2
シーサイドビル
[Postal Address] Cside Bldg. 14-2 Sanbancho, Chiyoda-ku
Tokyo 102-0075, JAPAN
[電話番号] 03-6265-6427
[FAX番号] 03-6265-6423
| Host | A Record | TTL |
|---|---|---|
| cside.jp | 210.166.236.149 | 86400 |
| Host | MX Record | Priority | TTL |
|---|---|---|---|
| cside.jp | dm02.cside.jp | 10 | 86400 |
| Host | NS Record | TTL |
|---|---|---|
| cside.jp | dns01.cside.jp | 86400 |
| cside.jp | dns02.cside.jp | 86400 |
| Host | TXT Record | TTL |
|---|
dns01.cside.jp
TTL: 86400
Email address: postmaster.cside.ne.jp
Serial: 2022082301
Refresh: 3600
Retry: 300
Expire: 360000
Minimum: 300
Last tested: 11/03/2018

| Total Resources | 52 |
| Number of Hosts | 2 |
| Static Resources | 49 |
| JavaScript Resources | 4 |
| CSS Resources | 5 |
Last tested: 11/03/2018


| Total Resources | 52 |
| Number of Hosts | 2 |
| Static Resources | 49 |
| JavaScript Resources | 4 |
| CSS Resources | 5 |