Onsuku.jp オンスク.JP - 講座受け放題のオンライン学習サービス
オンスク.JPは、スマホ・パソコンでスキマ学習ができるwebの資格学習サービスです。幅広いジャンルから気軽に学べるサブスク「ウケホーダイ」と、最短合格を目指せる書籍付き資格対策講座「TEPPAN」を提供中。講義動画・問題演習・学習管理機能のフル活用で、独学でも効率的に学べます。
Server IP address resolved: No
Http response code: None
Last Checked: 11/01/2026
Onsuku.jp attracts 301 unique visitors daily, generating 3,007 pageviews. The estimated value of onsuku.jp is 56,239 USD. Each visitor views approximately 10.70 pages on average.
According to Majestic's traffic estimates, onsuku.jp ranks 19,284 globally.
See the list of other websites hosted by AMAZON-02 - Amazon.com, Inc., US.
Onsuku.jp is registered with the .JP top-level domain. Explore additional websites within the .JP zone.
A recent examination on (October 08, 2024), indicates that onsuku.jp has an expired wildcard SSL certificate issued by Starfield Technologies, Inc. (expired on November 14, 2024). Click the "Refresh" button in the Safety Information section for updated SSL details. See the list of websites using SSL certificates issued by Starfield Technologies, Inc..
According to Google Safe Browsing, Google Safe Search and Symantec onsuku.jp appears to be a safe domain.
Based on Google's Mobile-Friendly test, onsuku.jp is optimized for mobile and tablet devices, although the web page loading speed could be improved.
We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.
Norton ConnectSafe evaluates onsuku.jp for any unsafe and insecure content. The results are critical for families with young children.
SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.
Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.
McAfee assesses onsuku.jp for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze onsuku.jp for mature or inappropriate content, only security checks are evaluated.
The WOT calculates reputation of the onsuku.jp. This reputation system receives ratings from users and information from third-party sources, assesses the onsuku.jp for safety features and confirms, whether onsuku.jp is suitable for children.
| Domain | *.onsuku.jp |
| Issuer Organization | Starfield Technologies, Inc. |
| Issuer | Starfield Secure Certificate Authority - G2 |
| Algorithm | RSA-SHA256 |
| Valid form | 10/24/2023 |
| Expiration | 11/14/2024 |
| Signed | Certificate is not self signed |
| Additional Domains |
*.onsuku.jp onsuku.jp |
ASN ID: 16509
ASN Title: AMAZON-02 - Amazon.com, Inc., US
Last Update: 05/11/2026
#
# 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.
#
ASNumber: 16509
ASName: AMAZON-02
ASHandle: AS16509
RegDate: 2000-05-03
Updated: 2012-03-02
Ref: https://rdap.arin.net/registry/autnum/16509
OrgName: Amazon.com, Inc.
OrgId: AMAZON-4
Address: 1918 8th Ave
City: SEATTLE
StateProv: WA
PostalCode: 98101-1244
Country: US
RegDate: 1995-01-23
Updated: 2017-01-28
Ref: https://rdap.arin.net/registry/entity/AMAZON-4
OrgAbuseHandle: AEA8-ARIN
OrgAbuseName: Amazon EC2 Abuse
OrgAbusePhone: +1-206-266-4064
OrgAbuseEmail: abuse@amazonaws.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/AEA8-ARIN
OrgTechHandle: ANO24-ARIN
OrgTechName: Amazon EC2 Network Operations
OrgTechPhone: +1-206-266-4064
OrgTechEmail: amzn-noc-contact@amazon.com
OrgTechRef: https://rdap.arin.net/registry/entity/ANO24-ARIN
RTechHandle: AC6-ORG-ARIN
RTechName: Amazon-com Incorporated
RTechPhone: +1-206-266-2187
RTechEmail: ipmanagement@amazon.com
RTechRef: https://rdap.arin.net/registry/entity/AC6-ORG-ARIN
#
# 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] ONSUKU.JP
[登録者名] 株式会社オンラインスクール
[Registrant] ONLINE SCHOOL CO.,LTD.
[Name Server] ns-225.awsdns-28.com
[Name Server] ns-536.awsdns-03.net
[Name Server] ns-1467.awsdns-55.org
[Name Server] ns-1818.awsdns-35.co.uk
[Signing Key]
[登録年月日] 2013/05/10
[有効期限] 2023/05/31
[状態] Active
[最終更新] 2022/06/01 01:05:07 (JST)
Contact Information: [公開連絡窓口]
[名前] 株式会社オンラインスクール
[Name] ONLINE SCHOOL CO.,LTD.
[Email] tanioka@tac-school.co.jp
[Web Page]
[郵便番号] 101-8383
[住所] 東京都千代田区
三崎町３?２?１８
西村ビル
[Postal Address] Chiyoda-Ku
Misakicho 3-2-18
Nishimura Bld
[電話番号] 03-5276-6965
[FAX番号]
| Host | A Record | TTL |
|---|
| Host | MX Record | Priority | TTL |
|---|
| Host | NS Record | TTL |
|---|
| Host | TXT Record | TTL |
|---|
Last tested: 04/03/2018
| Total Resources | 51 |
| Number of Hosts | 7 |
| Static Resources | 40 |
| JavaScript Resources | 13 |
| CSS Resources | 4 |
Last tested: 06/13/2018
| Total Resources | 40 |
| Number of Hosts | 6 |
| Static Resources | 34 |
| JavaScript Resources | 7 |
| CSS Resources | 3 |
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