shell:$ nslookup -timeout=2 -retry=1 'server-13-226-154-3.dus51.r.cloudfront.net'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	server-13-226-154-3.dus51.r.cloudfront.net
Address: 13.226.154.3