shell:$ nslookup -timeout=2 -retry=1 'speedtest1.tedata.net.prod.hosts.ooklaserver.net'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
speedtest1.tedata.net.prod.hosts.ooklaserver.net	canonical name = speedtest1.tedata.net.
Name:	speedtest1.tedata.net
Address: 213.158.190.126