shell:$ nslookup -timeout=2 -retry=1 'server-18-238-243-58.ams58.r.cloudfront.net'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	server-18-238-243-58.ams58.r.cloudfront.net
Address: 18.238.243.58