Guide Glossary

DNS和名称服务器是什么? 正在连接域和服务器

Published: 2024.12.05 Updated: 2026.03.13

当您启动一个网站时, 您总是会遇到“ DNS” 和“ 名称服务器 ”。了解它们是什么以及它们是如何运作的,对网站的成功运行至关重要。

在这篇文章中,我以初学者易于理解的方式解释这些基本原理,并提供您为顺利网站运行所需要的知识.

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什么是DNS吗?

DNS或域名系统,

It converts the domain names we can easily remember into IP addresses that computers can easily understand. Because of this process, you can access a site simply by entering its website address into a browser.

★ What Is a Domain?

什么是名称服务器?

一个名称服务器是DNS系统内的服务器,它保持域名和IP地址之间的对应.

当你购买一个域时,一个名称服务器对于该域在互联网上运行至关重要. 因为这样,全世界的人都能找到你的网站.

如何配置 DNS 和名称服务器

注册域

启动网站的第一步是注册您想要的域名.

指定名称服务器

注册域后,需要指定该域使用的名称服务器. 当您报名租借服务器时,托管公司可以提供名称服务器信息.

调整 DNS 设置

最后,将域名映射到IP地址. 这包括配置A记录和MX记录.

配置一个记录

A记录,或称地址记录,是用来将域名与IP地址链接的记录. 例如,当您将您的网站域名与网络服务器的IP地址连接时,它就被使用.

Access the DNS control panel: Log in to the control panel of the registrar managing the domain or the hosting service.
Go to the DNS settings: Move to the DNS-related settings section, such as “DNS management” or “DNS settings.”
Add the A record: Choose the option to add an A record and enter the required information.
Host name: Usually the domain name or subdomain name, such as www.
IP address: Enter the IP address of the server hosting the website.
Save the changes: Save the settings and apply the changes.

配置 MX 记录

MX记录,或称邮件交换记录,是用于指定处理通过域名收到的邮件的邮件服务器的记录.

Access the DNS control panel: Again, log in to the control panel of the registrar or hosting service managing the domain.
Go to the DNS settings: Move to the DNS-related settings section.
Add the MX record: Choose the option to add an MX record and enter the required information.
Priority: If you configure multiple mail servers, this number determines which server receives mail first. The lower the number, the higher the priority.
Mail server address: Enter the domain name of the server that handles the mail, such as mail.example.com.
Save the changes: Save the settings and apply the changes.

观察点和成本

宣传时间

在更改名称服务器或DNS设置后,这些更改需要时间才能在整个互联网上反映. 一般来说,从几小时到大约48小时是好的。

警卫

因为也有DNS劫持的风险,所以选择一个值得信赖的服务很重要.

费用

注册一个域通常每年要花费几百到几千日元,视域而定. 名称服务器服务经常包含在租借服务器合同中,但是如果您使用专门的DNS服务,可能会申请额外的收费.

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