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

Non-authoritative answer:
www.airtel.lk	canonical name = airtel.lk.
Name:	airtel.lk
Address: 45.60.158.45
Name:	airtel.lk
Address: 45.60.154.45
Name:	airtel.lk
Address: 2404:a800:ff00:1::105