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

Non-authoritative answer:
ookla.mobitel.lk.prod.hosts.ooklaserver.net	canonical name = ookla.mobitel.lk.
Name:	ookla.mobitel.lk
Address: 202.129.235.210