shell:$ nslookup -timeout=2 -retry=1 'cdn.smugmug.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
cdn.smugmug.com	canonical name = dq33tynpwunh.cloudfront.net.
Name:	dq33tynpwunh.cloudfront.net
Address: 18.239.2.57