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

Non-authoritative answer:
www.sipnena.lk	canonical name = sipnena.lk.
Name:	sipnena.lk
Address: 123.231.39.181