This RFC is an introduction to the Domain Name System (DNS), and omits many details which can be found in a companion RFC, "Domain Names - Implementation and Specification" [RFC-1035]. That RFC assumes that the reader is familiar with the concepts discussed in this memo. このRFCはドメインネームシステム(DNS)の紹介であり、関連するRFC「ドメイン名-実装と仕様書」[RFC-1035]に記載してる細部は書いていません。RFC1035は読者がこのメモで論じた概念に精通していると想定します。
A subset of DNS functions and data types constitute an official protocol. The official protocol includes standard queries and their responses and most of the Internet class data formats (e.g., host addresses).