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: 52.85.12.54
Name:	udacity.com
Address: 52.85.12.93
Name:	udacity.com
Address: 52.85.12.41
Name:	udacity.com
Address: 52.85.12.127