shell:$ nslookup -timeout=2 -retry=1 'www.cvtelecom.cv'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
Name:	www.cvtelecom.cv
Address: 41.221.193.21
;; communications error to 127.0.0.53#53: timed out
;; no servers could be reached