DNS lookup: How to perform it? (Dig, NSlookup, Host command, Online tools)

There are many ways to perform a DNS lookup. You can do it through any web browser, even from a smartphone, or if you prefer, there are different built-in commands inside most popular OSes. These commands are the NSlookup command, host command, and dig command. You can use them for a quick check of your domain and troubleshooting problems.

DNS lookup with a Dig command