Whois & RDAP Lookup
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WHOISRaw WHOIS response
[ 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] JPRS.JP
[登録者名] 株式会社日本レジストリサービス
[Registrant] Japan Registry Services Co.,Ltd.
[Name Server] ns1.jprs.jp
[Name Server] ns2.jprs.jp
[Name Server] ns3.jprs.jp
[Name Server] ns4.jprs.jp
[Signing Key] 7240 8 2 (
E147A85589E24FE0DBB5980C73501B5D
D656BE5550714F150BE574AE8777B77D )
[登録年月日] 2001/02/02
[有効期限] 2027/02/28
[状態] Active
[ロック状態] DomainTransferLocked
[ロック状態] AgentChangeLocked
[最終更新] 2026/03/01 01:05:03 (JST)
Contact Information: [公開連絡窓口]
[名前] 株式会社日本レジストリサービス
[Name] Japan Registry Services Co.,Ltd.
[Email] [email protected]
[Web Page]
[郵便番号] 101-0065
[住所] 東京都千代田区西神田三丁目8番1号
千代田ファーストビル東館
[Postal Address] Tokyo
Chiyoda-ku
Chiyoda First Bldg. East, 3-8-1 Nishi-Kanda, Japan
[電話番号] 03-5215-8451
[FAX番号] 03-5215-8452
% Query time: 156 msec
% WHEN: Wed Oct 28 08:05:17 UTC 2026Frequently asked questions
What is WHOIS?
WHOIS is a public directory that answers "who is responsible for this?" for domains, IP ranges and ASNs. It lists registration dates, the registrar, nameservers and contacts.
What is RDAP, and how does it differ?
RDAP is the modern replacement for WHOIS. It returns the same records in a structured, consistent format. We query RDAP first and fall back to classic WHOIS text when a registry has not adopted it yet.
What is the difference between a registrar and a registrant?
The registrar is the company you register and manage a domain through, such as xTom or GoDaddy. The registrant is the person or organization that actually holds the domain.
What are nameservers?
Nameservers answer DNS questions for a domain and decide which IP addresses the name resolves to. They also show which DNS provider the domain uses.
What is DNSSEC?
DNSSEC adds cryptographic signatures to DNS answers so they cannot be quietly altered in transit. "Signed" means the domain has it enabled, "unsigned" means it does not.
Why is the contact information redacted?
Privacy laws such as GDPR require registrars to hide most personal details in public records. The abuse contact is usually still shown, so a domain or network can be reported when something goes wrong.