ICANN Acronyms and Terms
Type in the acronym or term you are looking for in the Search bar below.
In addition to English, translated versions of acronyms and terms are also available in Arabic, Chinese, French, Russian, and Spanish. Links for each language are located in the top right of the page.
Click the first letter of the term you are looking for to search alphabetically.
Do you have feedback on the definitions or the terms? Send us an email to: acronymsandterms@icann.org.
R
registry
An authoritative master database of the domain names registered in a top-level domain (TLD). Each TLD is associated with a registry that contains a record for each domain name that exists in its domain. The Domain Name System consults the TLD registry to obtain the authoritative name servers for the domain names registered in that TLD.