WHOIS 查询

查询域名注册信息，包括所有者详情、注册商、创建和到期日期以及名称服务器。

什么是 WHOIS？

WHOIS is a query and response protocol widely used for querying databases that store registered users or assignees of an Internet resource, such as a domain name or an IP address block.

WHOIS 提供什么信息？

• 域名： The registered domain and its status.
• 注册商： The company where the domain was registered.
• 注册日期： When the domain was first registered.
• 到期日期： When the domain registration expires.
• 名称服务器： DNS servers authoritative for the domain.
• 注册人信息： Contact details of the domain owner (often redacted due to privacy laws).
• 域名状态： Codes indicating the domain's current state (e.g., active, locked, pending delete).

了解域名状态代码

• 禁止客户端删除： The registrar has locked the domain to prevent deletion.
• 禁止客户端转移： The domain cannot be transferred to another registrar.
• 禁止客户端更新： The domain cannot be modified.
• 禁止服务器转移： The registry has locked the domain against transfers.
• 待删除： The domain is pending deletion.
• 赎回期： The domain is in the redemption grace period after expiration.

这个工具如何工作？

此工具查询公共 WHOIS 服务器以获取域名和 IP 地址的注册信息。当您输入域名时，它会连接到相应注册商的 WHOIS 服务器并以结构化格式显示注册详情。

For domain lookups, the tool follows the WHOIS referral chain — first checking the registry (e.g., .com registry), then following referrals to the registrar's WHOIS server for complete data.

为什么要使用 WHOIS 查询？

• 域名研究： Check if a domain name is available or already registered.
• 安全调查： Identify who owns a suspicious domain or when it was created.
• 品牌保护： Monitor domains similar to your brand that could be used for phishing.
• 技术故障排除： Verify DNS delegation and name server configuration.
• 尽职调查： Research domain ownership before business transactions.

WHOIS 隐私

由于 GDPR 等隐私法规，许多域名注册商现在会隐去 WHOIS 记录中的个人信息。这意味着您可能看到"为保护隐私而隐去"而非实际联系信息。一些注册商提供 WHOIS 隐私服务作为附加功能。