shell:$ nslookup -timeout=2 -retry=1 'www.ocbsrilanka.edu.lk'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
www.ocbsrilanka.edu.lk	canonical name = www.ocbsrilanka.edu.lk.cdn.hstgr.net.
Name:	www.ocbsrilanka.edu.lk.cdn.hstgr.net
Address: 88.222.222.187
Name:	www.ocbsrilanka.edu.lk.cdn.hstgr.net
Address: 2.57.91.99
Name:	www.ocbsrilanka.edu.lk.cdn.hstgr.net
Address: 2a02:4780:4c:95da:2132:8874:fac1:cf66
Name:	www.ocbsrilanka.edu.lk.cdn.hstgr.net
Address: 2a02:4780:4b:bc70:156f:be3b:6fa7:5b9a