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적은 양의 [[기계가 읽을 수 있는 데이터]]를 DNS로 기록할 때 더 구조화된 방식으로 사용할 수도 있다.
==Background 배경 ==
A도메인은 domainDNS may서버 have구현체가 multiple지원하는 TXT경우 records여러 associated개의 withTXT it,레코드를 provided the DNS server implementation가질 supports수 this있다.<ref name="rfc1464">{{웹 인용|url=https://tools.ietf.org/html/rfc1464|title=Using the Domain Name System To Store Arbitrary String Attributes|first=R.|last=Rosenbaum|website=Tools.ietf.org|accessdate=14 October 2018}}</ref> Each record can즉, in각 turn레코드는 have하나 one이상의 or문자열을 more보유할 character수 strings있다.<ref name="rfc1035">{{cite IETF |section=3.3.14 |sectionname=TXT RDATA format |title=Domain names - implementation and specification | rfc=1035 |date=November 1987 |author=P. Mockapetris |publisher=[[국제 인터넷 표준화 기구|IETF]]}}</ref> Traditionally전통적으로 these이 text문자 fields필드들은 were다양한 used비표준 for용도로 a사용되었다. variety(예: of회사/단체의 non-standardised uses풀네임, such호스트 as a full company or organisation name, or the address of a host.주소)
In 1993 RFC 1464 proposed a simple approach to storing attributes and their values in these text fields. This is now used extensively in:
* Verification of domain ownership<ref>{{웹 인용|title=Verify your site ownership |url=https://support.google.com/webmasters/answer/35179?hl=en |accessdate=18 December 2018}}</ref><ref>{{웹 인용|title=Domain Verification |url=https://developers.facebook.com/docs/sharing/domain-verification/#implementation |publisher=Facebook |accessdate=18 December 2018}}</ref>
* Implementation of [[:en:Sender Policy Framework]],<ref name="rfc7208-txt">{{cite IETF |title=Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1 |rfc=7208 |sectionname=DNS Resource Records |section=3.1 |author=Scott Kitterman |date=April 2014 |publisher=[[국제 인터넷 표준화 기구|IETF]] |accessdate=2014-04-26 }}</ref>
* [[:en:DomainKeys Identified Mail]] records for verifying the sender of [[전자우편]] messages;<ref name=google-help>{{웹 인용|title=About TXT records|url=https://support.google.com/a/answer/2716800|website=Google Apps Administration|accessdate=2014-08-17}}</ref>
* [[Zeroconf|Zero-configuration networking DNS-based service discovery]].<ref name="rfc6762">{{cite IETF |rfc=6762 |date=February 2013 |author=S. Cheshire and M. Krochmal, Apple Inc. |title=Multicast DNS |publisher=[[국제 인터넷 표준화 기구|IETF]]}}</ref><ref name="rfc6763">{{cite IETF |rfc=6763 |date=February 2013 |author=S. Cheshire and M. Krochmal, Apple Inc. |title=DNS-Based Service Discovery |publisher=[[국제 인터넷 표준화 기구|IETF]]}}</ref>
* [[DMARC]] policies
== 포맷 ==
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