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

Non-authoritative answer:
Name:	dacdn.visualwebsiteoptimizer.com
Address: 34.107.218.251
Name:	dacdn.visualwebsiteoptimizer.com
Address: 2600:1901:0:7f7d::