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

Non-authoritative answer:
speedtest.ooredoo.dz.prod.hosts.ooklaserver.net	canonical name = speedtest.ooredoo.dz.
Name:	speedtest.ooredoo.dz
Address: 80.88.15.95