shell:$ nslookup -timeout=2 -retry=1 'apps.airtel.lk'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
apps.airtel.lk	canonical name = airtel.nexva.mobi.
Name:	airtel.nexva.mobi
Address: 23.90.62.50