tiered access

A model in which basic registration data (glossary)registration data The information kept about a domain and its owner. Full definition of registration data is public, while personal details are shown only to requestors who explain who they are and why they need them. It replaced fully open WHOIS (glossary)WHOIS The legacy lookup service for domain registration data, now replaced by RDAP for gTLDs. Full definition of WHOIS for gTLDs (glossary)gTLD generic top-level domain A top-level domain not tied to a country, run under ICANN contracts. Full definition of gTLD in 2018. Who gets access, and how, is the core of the registration data debate.