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: 84.32.84.145
Name:	www.ocbsrilanka.edu.lk.cdn.hstgr.net
Address: 2.57.91.8
Name:	www.ocbsrilanka.edu.lk.cdn.hstgr.net
Address: 2a02:4780:4b:57c5:2572:bb7c:c298:662f
Name:	www.ocbsrilanka.edu.lk.cdn.hstgr.net
Address: 2a02:4780:4a:cc81:34a5:b556:7904:3be7