shell:$ nslookup -timeout=2 -retry=1 'core.intelligence.speedtest.net'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
Name:	core.intelligence.speedtest.net
Address: 52.10.206.71
Name:	core.intelligence.speedtest.net
Address: 44.231.84.143
Name:	core.intelligence.speedtest.net
Address: 44.240.141.81