A TLD nameserver maintains information for all the domain names that share a common domain extension, such as .com, .net, or whatever comes after the last dot in a URL.
Management of TLD nameservers is handled by the Internet Assigned Numbers Authority (IANA), which is a branch of ICANN
- Generic top-level domains: These are domains that are not country specific, some of the best-known generic TLDs include .com, .org, .net, .edu, and .gov.
- Country code top-level domains: These include any domains that are specific to a country or state. Examples include .uk, .us, .ru, and .jp.