shell:$ nslookup -timeout=2 -retry=1 'speedtest17.tedata.net.prod.hosts.ooklaserver.net'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
speedtest17.tedata.net.prod.hosts.ooklaserver.net	canonical name = speedtest17.tedata.net.
Name:	speedtest17.tedata.net
Address: 213.158.190.103