Disclosing Features and Characteristics of. COM Registrars' WHOIS Servers

The number of top-level domain names(.COM) registrars has long been dominant in the world's domain name resources. Still, few relevant documents have made specific analyses and statistics on the characteristics of. COM registrars. In this context, for the first time, we conducted a large-scale detection study on the WHOIS server of the. COM registrar. This article analyzes the characteristics of the. COM registrar from five aspects: the relationship between the world's top. COM registrar and the server and IP; the relationship between the IP address of the WHOIS server and the WHOIS server; nonexistent domain names response to different messages; abnormalities of WHOIS server; distribution of GDPR. In this article, through large-scale detection and analysis of the WHOIS server of the. COM registrar, we can intuitively see the relevant data of the WHOIS server. The COM registrar discovers the vital relationship between the registrar, server, and IP. The research on the direction of the WHOIS server of the. COM registrar provided by scientific researchers has played a perfect guiding role.