shell:$ nslookup -timeout=2 -retry=1 'core.intelligence.speedtest.net'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	core.intelligence.speedtest.net
Address: 54.188.50.104
Name:	core.intelligence.speedtest.net
Address: 35.161.2.232
Name:	core.intelligence.speedtest.net
Address: 54.68.127.202