shell:$ nslookup -timeout=2 -retry=1 'routerprotocol.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	routerprotocol.com
Address: 108.156.91.92
Name:	routerprotocol.com
Address: 108.156.91.44
Name:	routerprotocol.com
Address: 108.156.91.115
Name:	routerprotocol.com
Address: 108.156.91.79