ICANN Acronyms and Terms
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A system which provides online records containing identifying and contact information about registered domain names, Autonomous System Numbers, and Internet Protocol addresses. The registration data is managed by registries and registrars. For years, the WHOIS system has been based on a simple plain text-based protocol (called the WHOIS protocol), described in the RFC 3912. The Registration Data Access Protocol (RDAP) began replacing the WHOIS protocol in 2015.OriginA computer program based on a 1982 protocol or standard, which was first published at the Internet Engineering Task Force. The program looked up the contact information of an individual with a directory on ARPANET and who was able to transmit data over the network. As the Internet grew, this program began to serve a broader audience. Existing policies require ICANN to maintain up-to-date public data and access to accurate and complete domain name registrant, technical, billing, and administrative contact information. The Registration Data Access Protocol (RDAP) is supplanting WHOIS.Websitehttps://lookup.icann.org/