Jast.jp JAST 日本システム技術株式会社
情報システムのトータル・インテグレーター、日本システム技術株式会社（JAST）は、完全独立系ソフトウェア会社として多彩な分野で広範なソリューションを提供しています。
Server IP address resolved: No
Http response code: None
Last Checked: 06/16/2026
Jast.jp attracts 68 unique visitors daily, generating 205 pageviews. The estimated value of jast.jp is 3,124 USD. Each visitor views approximately 3.21 pages on average.
According to Majestic's traffic estimates, jast.jp ranks 39,324 globally.
Jast.jp server is located in Japan, so we cannot determine if the distance might affect the page load time.
See the list of other websites hosted by INFOSPHERE NTT PC Communications, Inc., JP.
Jast.jp is registered with the .JP top-level domain. Explore additional websites within the .JP zone.
A recent examination on (September 08, 2024), indicates that jast.jp has an expired SSL certificate issued by GlobalSign nv-sa (expired on March 25, 2025). Click the "Refresh" button in the Safety Information section for updated SSL details. See the list of websites using SSL certificates issued by GlobalSign nv-sa.
According to Google Safe Browsing, Google Safe Search and Symantec jast.jp appears to be a safe domain.
Based on Google's Mobile-Friendly test, jast.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 jast.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 jast.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 jast.jp for mature or inappropriate content, only security checks are evaluated.
The WOT calculates reputation of the jast.jp. This reputation system receives ratings from users and information from third-party sources, assesses the jast.jp for safety features and confirms, whether jast.jp is suitable for children.
| Domain | www.jast.jp |
| Issuer Organization | GlobalSign nv-sa |
| Issuer | GlobalSign GCC R3 DV TLS CA 2020 |
| Algorithm | RSA-SHA256 |
| Valid form | 02/22/2024 |
| Expiration | 03/25/2025 |
| Signed | Certificate is not self signed |
| Additional Domains |
www.jast.jp jast.jp |
ASN ID: 2514
ASN Title: INFOSPHERE NTT PC Communications, Inc., JP
Last Update: 05/10/2026
% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS2497 - AS2528'
as-block: AS2497 - AS2528
descr: JPNIC-2Byte-ASBLOCK-AP
descr: for assignment to JPNIC members
country: JP
admin-c: JNIC1-AP
tech-c: JNIC1-AP
remarks: Authoritative information regarding AS Number
remarks: assignments made from within this block can be
remarks: queried at whois.nic.ad.jp.
remarks: To only display English output,
remarks: add '/e' at the end of command,
remarks: e.g. 'whois -h whois.nic.ad.jp xxx/e'.
mnt-by: APNIC-HM
mnt-lower: MAINT-JPNIC
last-modified: 2017-06-12T03:54:29Z
source: APNIC
role: Japan Network Information Center
address: Urbannet-Kanda Bldg 4F
address: 3-6-2 Uchi-Kanda
address: Chiyoda-ku, Tokyo 101-0047,Japan
country: JP
phone: +81-3-5297-2311
fax-no: +81-3-5297-2312
e-mail: hostmaster@nic.ad.jp
admin-c: JI13-AP
tech-c: JE53-AP
nic-hdl: JNIC1-AP
mnt-by: MAINT-JPNIC
last-modified: 2012-08-28T07:58:02Z
source: APNIC
% Information related to 'AS2514'
aut-num: AS2514
as-name: InfoSphere
descr: NTT PC Communications, Inc.
import:
export:
country: JP
admin-c: MH9282JP
tech-c: JP00027819
tech-c: NU3135JP
last-modified: 2009-01-23T23:36:33Z
source: JPNIC
% This query was served by the APNIC Whois Service version 1.88.15-46 (WHOIS-US3)
[ 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] JAST.JP
[登録者名] 日本システム技術株式会社
[Registrant] Japan System Techniques
[Name Server] asns1.customer.ne.jp
[Name Server] asns2.customer.ne.jp
[Signing Key]
[登録年月日] 2011/01/12
[有効期限] 2023/01/31
[状態] Active
[最終更新] 2022/02/01 01:05:08 (JST)
Contact Information: [公開連絡窓口]
[名前] 日本システム技術株式会社
[Name] Japan System Techniques Co., LTD.
[Email] m_reg@jast.co.jp
[Web Page]
[郵便番号] 530-0005
[住所] 大阪府大阪市北区中之島２−３−１８
[Postal Address] Osaka
2-3-18 Nakanoshima Kita-ku, Osaka-city
29F Nakanoshima Festival Tower,
[電話番号] 06-4560-1003
[FAX番号] 06-4560-1009
| Host | A Record | TTL |
|---|---|---|
| jast.jp | 140.227.101.193 | 86400 |
| Host | MX Record | Priority | TTL |
|---|---|---|---|
| jast.jp | jast.jp | 10 | 86400 |
| Host | NS Record | TTL |
|---|---|---|
| jast.jp | ns4.sphere.ad.jp | 86400 |
| jast.jp | ns3.sphere.ad.jp | 86400 |
| Host | TXT Record | TTL |
|---|---|---|
| jast.jp | v=spf1 +ip4:140.227.101.193/32 -all | 3600 |
ns3.sphere.ad.jp
TTL: 86400
Email address: dns.sphere.ad.jp
Serial: 1543563537
Refresh: 86400
Retry: 21600
Expire: 2419200
Minimum: 3600
Last tested: 05/18/2017
| Total Resources | 71 |
| Number of Hosts | 4 |
| Static Resources | 67 |
| JavaScript Resources | 9 |
| CSS Resources | 4 |
Last tested: 05/13/2017
| Total Resources | 43 |
| Number of Hosts | 5 |
| Static Resources | 32 |
| JavaScript Resources | 11 |
| CSS Resources | 5 |
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