A Area Title System (DNS) server is answerable for translating human-readable domains (like www.instance.com) into IP addresses (like 192.0.2.1) that computer systems can perceive. Whenever you kind a website identify into your internet browser, your pc sends a request to a DNS server to search for the IP handle of the web site you are attempting to go to. The DNS server then returns the IP handle to your pc, which may then connect with the web site.
There are a number of other ways to test your DNS server. A method is to make use of the nslookup command in a terminal window. To do that, open a terminal window and kind the next command: