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

Non-authoritative answer:
Name:	www.icta.lk
Address: 43.224.126.143
;; communications error to 1.1.1.1#53: timed out