WHOIS历史信息查询是一种信息检索系统，用户可以查询任意感兴趣的域名及其超过十年的历史信息。每次查询可追踪域名最近3次的所有权变更信息。
WHOIS History Lookup returns all the WHOIS records of a domain. It accesses a database containing more than 20.0B+ historical records spanning 7,596 top-level domains (TLDs).
通过十多年来的网络数据抓取，我们不断提高WHOIS 历史情报的覆盖范围和专业知识。
采用一致性的方式解析和构建数据，方便客户进行数据集成和使用，轻松读懂每份查询报告。
每个WHOIS历史信息查找报告带有自定义URL，因此可与同事或内容消费者共享信息。
“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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