You don't need to use third-party apps or websites to find DNS information. All you need is the command line, and you can get all the information required to report or debug problems. DNS plays a critical role in modern apps and infrastructure; hence, all developers and sysadmins must know how to use these commands to resolve issues faster. #Linux / #UNIX: DNS Lookup Command https://www.cyberciti.biz/faq/unix-linux-dns-lookup-command/