shell:$ nslookup -timeout=2 -retry=1 'cdn-4.convertexperiments.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
cdn-4.convertexperiments.com	canonical name = cdn-4.convertexperiments.com.edgekey.net.
cdn-4.convertexperiments.com.edgekey.net	canonical name = e5289.dscb.akamaiedge.net.
Name:	e5289.dscb.akamaiedge.net
Address: 184.26.197.46
Name:	e5289.dscb.akamaiedge.net
Address: 2600:140a:5000:586::14a9
Name:	e5289.dscb.akamaiedge.net
Address: 2600:140a:5000:587::14a9