shell:$ nslookup -timeout=2 -retry=1 'apptest.airtel.ug'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
apptest.airtel.ug	canonical name = ofqx3h5.impervadns.net.
Name:	ofqx3h5.impervadns.net
Address: 41.223.58.158