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: 2.57.91.133
Name:	www.ocbsrilanka.edu.lk.cdn.hstgr.net
Address: 88.222.222.23
Name:	www.ocbsrilanka.edu.lk.cdn.hstgr.net
Address: 2a02:4780:4b:7004:5831:b95c:8a54:da1d
Name:	www.ocbsrilanka.edu.lk.cdn.hstgr.net
Address: 2a02:4780:4c:e565:5259:c491:1021:9d44