I have some question on command nslookup, can I check in what kind of scenario will you use nslookup? I know it's used to check DNS but do know what kind of situation would use it.
I did nslookup and get default server: unknown, Address: 192.168.1.254, can I check how come my default server is unknown and the IP address is same as my default gateway?
Also when I nslookup on www.google.com
I am getting : www.google.com
can't find nslookup: No response from server
Appreciate if any expert can advise me on, sorry if the question is too noob.