fastest public dns servers

At present, the more authoritative public DNS server providers have the Opendns,google-Dns,norton DNS, what are the actual access speeds of these DNS servers? This is directly related to the speed of our Internet access, after all

Due to enterprise office requirements, I have deployed a DNS server in the LAN. the DNS server address parameters on all clients are set to the IP address of the server. In addition, a domain named "rtj.net" is created on the DNS server for enterprise employees to access internal websites. However, after testing, users can access the enterprise intranet normally,

, but cannot access the internal website of the enterprise. However, in order to save money, the "knowsky.com" domain is not registered on the public network DNS server, but can only be resolved by the internal enterprise network DNS server. Isn't there a perfect solution? Analysis DNS (Domain Name Server) is a huge di

variety of ways, such as ADSL (PPPoE). However, these providers provide DNS servers, often for business promotion purposes, in the domain name resolution error when inserting so-called "error correction" page, replace the normal error message, user experience sickening:Therefore, in order to deal with this chronic disease, various commercial companies to provide public