shell:$ nslookup -timeout=2 -retry=1 'tlm.mrt.ac.lk'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	tlm.mrt.ac.lk
Address: 192.248.8.81
Name:	tlm.mrt.ac.lk
Address: 2401:dd00:10:1::81