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什么是DNS？DNS域名解析过程 - 华为 域名系统DNS (Domain Name System)是互联网提供的一项服务，它通过建立设备域名与IP地址的对应关系、提供相互间的转换查询机制，解决上网设备的命名问题。 本文介绍DNS的域名解析过程，以及在此过程中使用的DNS服务器和DNS客户端的作用。
What is DNS? | How DNS works - Cloudflare DNS, or the domain name system, is the phonebook of the Internet, connecting web browsers with websites Learn more about how DNS works and what DNS servers do
非常详细的DNS图解，绝对秒懂 - CSDN博客 DNS 是什么？ DNS是 Domain Name System 的缩写，也就是 域名解析系统，它的作用非常简单，就是根据域名查出对应的 IP地址。 你可以把它想象成一本巨大的电话本，比如当你要访问域名 www 163 com，首先要通过DNS查出它的IP地址是 112 48 162 8。 为啥需要DNS
Domain Name System - Wikipedia Internet name servers and a communication protocol implement the Domain Name System A DNS name server is a server that stores the DNS records for a domain; a DNS name server responds with answers to queries against its database