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

Non-authoritative answer:
emc.udacity.com	canonical name = emc.udacity.com.cdn.cloudflare.net.
Name:	emc.udacity.com.cdn.cloudflare.net
Address: 172.64.145.158
Name:	emc.udacity.com.cdn.cloudflare.net
Address: 104.18.42.98
Name:	emc.udacity.com.cdn.cloudflare.net
Address: 2a06:98c1:3101::ac40:919e
Name:	emc.udacity.com.cdn.cloudflare.net
Address: 2a06:98c1:3108::6812:2a62