shell:$ nslookup -timeout=2 -retry=1 'server-18-161-49-47.cgk50.r.cloudfront.net'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
Name:	server-18-161-49-47.cgk50.r.cloudfront.net
Address: 18.161.49.47