shell:$ nslookup -timeout=2 -retry=1 'server-4956.prod.hosts.ooklaserver.net'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
server-4956.prod.hosts.ooklaserver.net	canonical name = speedosht1.celcom.net.my.
Name:	speedosht1.celcom.net.my
Address: 203.82.87.3
Name:	speedosht1.celcom.net.my
Address: 2404:160:100:41::3