shell:$ nslookup -timeout=2 -retry=1 'online.mobitel.lk'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
online.mobitel.lk	canonical name = n46h6js.ng.impervadns.net.
Name:	n46h6js.ng.impervadns.net
Address: 45.60.73.112