WHOIS・RDAP検索
権威あるレジストリから直接取得した登録情報。可能な場合はRDAPを使用します。
このテキストはまだ日本語で提供されていません。翻訳が公開されるまで英語で表示しています。
WHOIS answers “who registered this?” for domains, IP networks and autonomous systems. Its modern replacement is RDAP (Registration Data Access Protocol): the same data as structured JSON over HTTPS, with standard fields instead of free text.
This tool picks the authoritative server from IANA’s bootstrap registry — the regional internet registry (ARIN, RIPE NCC, APNIC, LACNIC, AFRINIC) for IP addresses and AS numbers, the registry operator for domains — and falls back to classic WHOIS only for top-level domains that don’t offer RDAP yet, such as .tr, whose registry TRABİS answers at whois.trabis.gov.tr and writes dates as 1996-Nov-10. Since GDPR most registries redact personal contact details.
よくある質問
What is the difference between WHOIS and RDAP?
RDAP returns structured JSON over HTTPS, supports internationalised data and standard status codes, and is now required for gTLD registries. WHOIS is unstructured text over TCP port 43.
Why are contact details hidden?
Privacy regulations such as the GDPR led registries and registrars to redact personal data. Organisations' names and abuse contacts are usually still published.
How do I look up a .com.tr domain?
Enter it as usual. The answer comes from TRABİS's WHOIS (.tr has no RDAP server) and includes the registration and expiry dates, status, name servers and the accredited registrar. The holder's name is shown when the registrant has not asked to hide it.
Where do I report abuse from an IP address?
Use the abuse contact in the IP network's registration record. The full report on this site shows it when the registry publishes one.