shell:$ nslookup -timeout=2 -retry=1 'server-13-226-34-100.sfo53.r.cloudfront.net'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
Name:	server-13-226-34-100.sfo53.r.cloudfront.net
Address: 13.226.34.100