Paiza.co.jp paiza株式会社
ITエンジニア向け総合求職・学習プラットフォーム「paiza（パイザ）」を運営するpaiza株式会社の企業サイトです。paizaは、未来を創る人材の育成に貢献します。
Server IP address resolved: Yes
Http response code: 200
Response time: 1.35 sec.
Last Checked: 11/01/2026
Paiza.co.jp is hosted by AMAZON-02 - Amazon.com, Inc., US. Check out other websites hosted by AMAZON-02 - Amazon.com, Inc., US.
See the list of other websites hosted by AMAZON-02 - Amazon.com, Inc., US.
Paiza.co.jp is registered with the .JP top-level domain. Explore additional websites within the .JP zone.
A recent examination on (January 28, 2025), indicates that paiza.co.jp has an expired SSL certificate issued by Amazon (expired on December 08, 2025). Click the "Refresh" button in the Safety Information section for updated SSL details. See the list of websites using SSL certificates issued by Amazon.
According to Google Safe Browsing and Symantec paiza.co.jp appears to be a safe domain.
not found
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 paiza.co.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 paiza.co.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 paiza.co.jp for mature or inappropriate content, only security checks are evaluated.
The WOT calculates reputation of the paiza.co.jp. This reputation system receives ratings from users and information from third-party sources, assesses the paiza.co.jp for safety features and confirms, whether paiza.co.jp is suitable for children.
| Domain | paiza.co.jp |
| Issuer Organization | Amazon |
| Issuer | Amazon RSA 2048 M02 |
| Algorithm | RSA-SHA256 |
| Valid form | 11/09/2024 |
| Expiration | 12/08/2025 |
| Signed | Certificate is not self signed |
| Additional Domains |
paiza.co.jp *.paiza.co.jp |
ASN ID: 16509
ASN Title: AMAZON-02 - Amazon.com, Inc., US
Last Update: 06/22/2026
#
# 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]
a. [ドメイン名] PAIZA.CO.JP
e. [そしきめい] ぎのかぶしきがいしゃ
f. [組織名] ギノ株式会社
g. [Organization] Gino, Inc.
k. [組織種別] 株式会社
l. [Organization Type] corporation
m. [登録担当者] RK23540JP
n. [技術連絡担当者] RK23051JP
p. [ネームサーバ] 01.dnsv.jp
p. [ネームサーバ] 02.dnsv.jp
p. [ネームサーバ] 03.dnsv.jp
p. [ネームサーバ] 04.dnsv.jp
s. [署名鍵]
[状態] Connected (2022/10/31)
[登録年月日] 2019/10/08
[接続年月日] 2019/10/08
[最終更新] 2021/11/01 01:13:21 (JST)
| Host | A Record | TTL |
|---|---|---|
| paiza.co.jp | 133.242.225.231 | 300 |
| Host | MX Record | Priority | TTL |
|---|---|---|---|
| paiza.co.jp | alt1.aspmx.l.google.com | 5 | 3600 |
| paiza.co.jp | alt2.aspmx.l.google.com | 5 | 3600 |
| paiza.co.jp | alt3.aspmx.l.google.com | 10 | 3600 |
| paiza.co.jp | alt4.aspmx.l.google.com | 10 | 3600 |
| paiza.co.jp | aspmx.l.google.com | 1 | 3600 |
| Host | NS Record | TTL |
|---|---|---|
| paiza.co.jp | 01.dnsv.jp | 86400 |
| paiza.co.jp | 02.dnsv.jp | 86400 |
| paiza.co.jp | 03.dnsv.jp | 86400 |
| paiza.co.jp | 04.dnsv.jp | 86400 |
| Host | TXT Record | TTL |
|---|---|---|
| paiza.co.jp | google-site-verification=lUTIkwQq6Tl2NhbVXrLE_MymSEINEB_T8DiMw_HnNfE | 300 |
| paiza.co.jp | google-site-verification=xb7phtyVfEuc70sRgxLjJs3Sra7mC-X22CM1UUCVd1s | 300 |
| paiza.co.jp | v=spf1 include:_spf.google.com ~all | 300 |
01.dnsv.jp
TTL: 86400
Email address: hostmaster.dnsv.jp
Serial: 1583286525
Refresh: 3600
Retry: 900
Expire: 604800
Minimum: 300
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