用户可以通过反向WHOIS在其 WHOIS 记录中查询包含指定搜索词（例如注册人姓名、电子邮件地址或电话号码）的所有域名。
反向 WHOIS 数据可以识别与网络犯罪分子、诈骗者或垃圾邮件发送者相关的危险域名足迹，可以与WHOIS 历史信息结合使用，研究相关联的历史域名。
通过查询与业务前景、合作伙伴、竞争对手及其当前活动相关的域名及其所有WHOIS 信息，了解更多相关信息。
通过注册人姓名进行 WHOIS 搜索，可以轻松查找出与用户个人或机构容易混淆的相似域名组合信息。
“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 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.”
“DRS is a Great product, easy to use and everything I need in one place.”
“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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