root1@ubuntu-server:~$ nslookup google.com 192.168.2.1
Server: 192.168.2.1
Address: 192.168.2.1#53
Non-authoritative answer:
Name: google.com
Address: 173.194.220.139
Name: google.com
Address: 173.194.220.100
Name: google.com
Address: 173.194.220.101
Name: google.com
Address: 173.194.220.138
Name: google.com
Address: 173.194.220.102
Name: google.com
Address: 173.194.220.113
root1@ubuntu-server:~$