shell:$ nslookup -timeout=2 -retry=1 'server-108-138-85-32.iad12.r.cloudfront.net'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	server-108-138-85-32.iad12.r.cloudfront.net
Address: 108.138.85.32