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

Non-authoritative answer:
www.exams.gov.lk	canonical name = www.doenets.lk.
Name:	www.doenets.lk
Address: 18.136.190.89
Name:	www.doenets.lk
Address: 52.74.182.149