WHOIS Lookup contains the records of over 565 million currently active domains spanning more than 7,596 generic (gTLDs) and country-code top-level domains (ccTLDs).
WHOIS 查询报告经过规范化解析，专业人士可以轻松访问并获取所需信息。查询结果可在几秒钟内获得，可以帮助用户快速做出决策。
WHOIS查询的域名搜索查询结果带有自定义 URL，用户只需单击几下即可轻松与相关方共享结果。
我们实时收集和刷新数据，方便用户对感兴趣的域名和 IP 地址的最新 WHOIS 洞察采取行动。
威胁检测专家、数字取证和事件响应 (DFIR) 团队，甚至非技术用户都可以使用 WHOIS 查询来查找有关域名、IP 和电子邮件地址的更多信息，进一步调查可疑主机及其 WHOIS 记录，降低恶意软件驱动和网络钓鱼主导的攻击风险。
WHOIS 查询可以协助外部网络安全顾问，包括托管检测和响应 (MDR) 公司，快速检查进入其客户网络的未知域名和 IP 地址，这些可能用于垃圾邮件、欺骗和其他与域名相关的攻击。服务提供商还可以使用依托于 WHOIS 数据的工具更新他们的黑名单。
执法机构可以利用WHOIS 查询快速检查特定域名的注册详细信息，以查询域名是否与已知或新兴的在线犯罪网络共享模式。 WHOIS 历史还可以让用户了解域名所有权的历史情况。
域名投资人和经纪人可以使用 WHOIS 查询来了解网络域名的可用性和当前所有权信息的概况。
域名经纪人和注册商可以在完成销售和进行域名转移之前仔细查验域名的最新详细信息及所有权。
定期进行 WHOIS 域名和网站搜索可以为业务专业人士提供优势商机，新网站名称注册可能预示着竞争对手未来的产品发布或国际扩张行为。
用户可以检查电子邮件地址的可信度，寻找欺诈和商业电子邮件泄露 (BEC) 欺诈的明显迹象，例如最新的注册、过于频繁的更新或其他异常情况等。
用户可以从 WHOIS 查询结果中获益，调查潜在的品牌劫持和抢注域名的行为，为统一域名争议解决政策 (UDRP) 案件做准备。
业务专业人士在签署合同或下定大订单之前，使用 WHOIS 记录中包含的信息对新供应商、客户和合作伙伴进行背景调查。
“The consistent and structured data provided by WhoisXML API made it possible to group and identify who is behind suspected fraudulent websites, being able to search by phone number, address or e-mail address used in the domain registration.”
“I appreciate your products that are useful for checking domain expiration dates.”
“WhoisXML API is a responsive and reliable provider of domain intelligence. Whenever there are issues, they are quick to respond and resolve them. Working with them is smooth and straightforward.”
“WhoisXML API’s domain intelligence allows us to quickly integrate WHOIS lookups into our security heuristics and algorithms without having to worry about hosting services, staging and merging data, and the complicated task of normalization.”
“I used WHOIS API and Website Categorization API. Both tools are simple and straightforward to use. Some API providers have extra bells and whistles that they force you to use, but WhoisXML API is really easy to work with. It’s stable, and I can trust that it’s not going to flatline later.”
“Keeping track of new domain registration activity is essential in today's digital economy. We look forward to continuing our collaboration with WhoisXML API to help customer leverage critical domain insights in a secure cloud environment that aligns with their data privacy and governance requirements.”
“WhoisXML API is amazing for checking out the historic registration information of a domain, pivoting to locate the alternate registrations with the same details and also my cyber investigations. The data proved very useful when investigating pig butchering scams and domains that host child abuse material.”
“Very useful for investigations, we can go back in history and see when domains were registered and who owned them at a certain time.”
“WhoisXML API builds out data sets that help users correlate attack infrastructure with related IP and WHOIS information.”
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