All these keys are used to protect the internet's domain name system.

这些密钥都是用来保护互联网域名系统的。

Deep in its architecture are computers known as domain name system (DNS) servers.

网络架构的底层是一种叫做域名系统（domain name system，DNS）服务器的计算机系统。

The domain name system (DNS) controls how internet addresses work, but not what a website or database contains.

域名系统（DNS）控制互联网地址的工作，但不是一个网站或数据库包含的。

A domain name system, or DNS, is like a phone book organizing the internet locations of each website.

域名系统(DNS)就像一本电话簿，记录着每个网站在互联网上的位置。

It also called for a national Domain Name System to allow the internet to continue working even if Russia is cut off.

它还呼吁建立一个国家域名系统，以便在俄罗斯网络被切断的情况下，互联网可以照常运行。

And it's called the Domain Name System, or DNS for short.

它被称为域名系统，简称 DNS。