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

Non-authoritative answer:
Name:	udacity.com
Address: 3.160.22.93
Name:	udacity.com
Address: 3.160.22.97
Name:	udacity.com
Address: 3.160.22.45
Name:	udacity.com
Address: 3.160.22.20