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什么是DNS服务器?

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  • 什么是DNS服务器?

Posted By: Mike | 1 Replies | Last Reply On: Jul 10, 2017 09:21:22

我没有太多的技术知识,但我想知道一个DNS服务器。你能分享一下这方面的信息吗?

Psychz - Swarup

Votes: 0Posted On: Jul 10, 2017 09:21:22
 

在我们进入DNS服务器的解释之前,让我们先了解一下DNS(域名系统)。域名系统是互联网发展的系统。为了方便用户,IP地址被映射为可以被普通用户容易地记住的名称。因此,当您打开Web浏览器并键入网站名称时,该名称通常映射到网站服务器的IP地址。但这些域名的记录在哪里,计算机如何知道哪里可以找到IP地址?所有这些功能都由DNS服务器管理。

DNS服务器的功能

当你发送一封信给目的地时,你该怎么办?你发一封写着目的地地址的信将它放在邮箱中。邮局然后将信件隔离在该位置。类似地,域名除以其他位置(.us,.aus,.in等),功能区域(.com,.org等)除外。当用户在网络浏览器中键入网站的地址(例如www.google.com)时,浏览器向DNS服务器发送请求。 DNS服务器包含映射到其IP地址的所有域名的列表。 DNS服务器解析域名,并使用网站的IP地址向Web浏览器发送回复。只有这样,Web浏览器才能继续与服务器进行通信。

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