---
title: ARPA
slug: Glossary/ARPA
tags:
  - 专业术语
  - 互联网服务基础设施
translation_of: Glossary/ARPA
original_slug: Glossary/地址路由参数域
---
<p><strong>.arpa </strong>(address and routing parameter area， <span style="background-color: #ffffff; color: #222222; display: inline !important; float: none; font-family: sans-serif; font-size: 15.008px; font-style: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-decoration-style: initial; text-indent: 0px; text-transform: none; white-space: normal;">地址路由参数域</span> ) 是专门用来<span style="background-color: #ffffff; color: #222222; display: inline !important; float: none; font-family: sans-serif; font-size: 15.008px; font-style: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-decoration-style: initial; text-indent: 0px; text-transform: none; white-space: normal;">互联网基础设施配置的</span>顶级域{{glossary("TLD","top-level domain")}} ，尤其是DNS反向解析，即从 {{glossary("IP 地址")}})找出旗下的主机名(i.e., find the {{glossary('domain name')}} 。</p>

<h2 id="了解更多">了解更多</h2>

<h3 id="通用知识库">通用知识库</h3>

<ul>
 <li><a href="http://www.iana.org/domains/arpa">官方网站</a></li>
 <li>{{Interwiki("wikipedia", ".arpa")}}，来自维基百科</li>
</ul>