shell:$ nslookup -timeout=2 -retry=1 'global.px.quantserve.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	global.px.quantserve.com
Address: 192.184.67.143
Name:	global.px.quantserve.com
Address: 192.184.67.70
Name:	global.px.quantserve.com
Address: 192.184.67.40
Name:	global.px.quantserve.com
Address: 2620:116:800d:21:b314:a0ef:ab7c:d546
Name:	global.px.quantserve.com
Address: 2620:116:800d:21:7eb1:3826:be7e:d981
Name:	global.px.quantserve.com
Address: 2620:116:800d:21:ef75:8280:f209:5ba1
Name:	global.px.quantserve.com
Address: 2620:116:800d:21:de2e:c7b3:55c0:d5a0