域名主DNS和辅DNS的区别

在DNS信息里的主DNS名称和辅DNS名称 是什么意识啊?
2025-04-08 09:40:17
推荐回答(4个)
回答1:

主DNS 是您的网络服务上接入的~ 当您的主DNS 失效后(不能上网啦,连接不了网络),启用辅DNS ~~

回答2:

域名是指向一个网站(或博客、空间等)的网址,域名有顶级域名、二级域名、三级域名等。
说到底,域名就是一个字符串;而DNS要复杂得多。
DNS是一个域名系统 (Domain Name System),它是由域名解析器和域名服务器组成。域名服务器中保存着所属网络中所有主机域名和对应的IP地址,具有将域名转换为IP地址的功能,一个域名对应一个IP地址。域名解析器的作用是把域名指向网站所在空间的IP地址(以此为前提,网站服务器上再绑定这个域名,域名与网站之间的联系就建立起来了,网址就能打开网站了)。

回答3:

就是主要的和副要的。主DNS起解析作用,如失效,则使用辅DNS。

回答4:

同意楼上2位的说法

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