What is WHOIS (Domain Name Lookup)?

WHOIS is a database that consists of mandatory information about a registered domain, or more precisely, the registered users of an Internet resource. A WHOIS information lookup is how we can find a wider range of information on a domain name, an IP address block and the domain availability status. This includes the contact information of the registrant, mailing address, phone number, email address, domain created date, updated date, expiration date as well as the nameservers the domain is using and much more.

What is WHOIS Privacy Protection?

It is also called domain privacy. We know how damaging data breaches can be in this century, therefore, businesses take domain privacy protection seriously. WHOIS privacy protection is a service to protect domain registries/' personal information from being searched in the WHOIS records. Under the WHOIS privacy protection, some domain registries allow domain owners to hide certain details in their public WHOIS records. The contact information in a WHOIS record can be hidden from the rest of the world using a "private registration" service offered by some registrars.

IP2WHOIS - WHOIS情報検索

IP2WHOISは、無料のWHOISルックアップ（ドメインルックアップ）ツールであり、ユーザーが特定のドメインのWHOIS情報（ドメインに割り当てられた所有者の連絡先情報、レジストラ情報、登録者情報、場所など）を確認するのに役立ちます。

ドメインWHOISチェッカー

IP2Location.ioの無料Whois API

Get

$ curl "https://api.ip2whois.com/v2?key={YOUR_API_KEY}&domain=retinaassociates.org"

Response

null

最近のドメイン名検索

このセクションには、クライアントが照会した最新の10個のドメイン名が含まれています。

surfcity.com

xcelenergy.com

forgoodandco.com

decisionsciencescorp.com

onediversified.com

critfc.org

petrohunt.com

ahtsupport.net

fpl.com

houstontranstar.org

ドメイン WHOIS API

IP2WHOISは、任意のドメイン名に対して詳細なWHOIS情報を確認できる無料のDomain WHOIS APIを提供しています。詳細はAPIドキュメントページをご覧ください。

WHOIS Domain REST APIで即座にドメイン情報を取得

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