广义上的 DNS（Domain Name System）污染是一种让一般用户由于得到虚假目标主机 IP 而不能与其通信的方法，是 GFW 的主要手段之一。其手段又可以分为 DNS 劫持与狭义 DNS 污染两种： DNS 劫持指的是通过行政手段控制墙内的 DNS 服务器，使其对敏感查询直接返回伪造的 ...

An industry group of the world's biggest DNS service providers has agreed on a plan to improve the state of the DNS ecosystem by forcing certain configuration changes upon the smaller server operators ...

The IETF has standardized DNS over HTTPS (DOH), which encrypts DNS queries so eavesdroppers can’t tell what sites users connect to. Unauthorized interception of DNS traffic provides enough information ...

Domain Name Service (DNS) servers partially make up the internet's backbone as we know it. They allow anyone to plug a URL in and go to a website, as otherwise, we would have to know the IP address ...