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: 2620:116:800c:140:37c0:e034:d7da:a98d
Name:	global.px.quantserve.com
Address: 2620:116:800c:140:a3d9:15ad:e0bb:b31c
Name:	global.px.quantserve.com
Address: 2620:116:800c:140:fedd:e984:c547:7b19