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

Non-authoritative answer:
Name:	ucsc.cmb.ac.lk
Address: 192.248.22.125
;; communications error to 1.1.1.1#53: timed out
Name:	ucsc.cmb.ac.lk
Address: 2401:dd00:1e::125