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The '''Domain Name System (DNS''') is a hierarchical naming system for computers, services, or any other resources connected to the Internet. See [[How the Domain Name System Works]] for a brief overview of the DNS.
The '''Domain Name System (DNS''') is a hierarchical naming system for computers, services, or any other resources connected to the Internet. See [[How the Domain Name System Works]] for a brief overview of the DNS. See [[Pre-ICANN History of the DNS]] for the development of the DNS in the 20th century.
==DNS Components==
==DNS Components==
*[[Registry]] operators maintain the database of registrations for a particular TLD.
*[[Registry]] operators maintain the database of registrations for a particular TLD.
*[[Registrar|Registrars]] allow [[registrant|registrants]] to register a domain name.
*[[Registrar|Registrars]] allow [[registrant|registrants]] to register a domain name.
===Foundational Operating Documents===
*[[RFC 1591]] remains a core conceptual framework describing [[IANA]]'s role in the delegation and oversight of top-level domains.
*[[RFC 1591]] remains a core conceptual framework describing [[IANA]]'s role in the delegation and oversight of top-level domains.
*The [[Affirmation of Commitments]] forms the basis for much of ICANN's mission and operational mandate to maintain the security, stability, and resiliency of the DNS.
==Challenges==
==Challenges==