Step1.Open Cmd
Step2.type :- nslookup


Default Server:  UnKnown
Address:  192.168.43.1

> www.google.com
Server:  UnKnown
Address:  192.168.43.1

Non-authoritative answer:
Name:    www.google.com
Addresses:  2404:6800:4007:810::2004
          74.125.68.106
          74.125.68.104
          74.125.68.105
          74.125.68.103
          74.125.68.99
          74.125.68.147

> www.facebook.com
Server:  UnKnown
Address:  192.168.43.1

Non-authoritative answer:
Name:    star-z-mini.c10r.facebook.com
Addresses:  2a03:2880:f137:87:face:b00c:0:50fb
          157.240.23.39
Aliases:  www.facebook.com