shell:$ nslookup -timeout=2 -retry=1 'wifiemp.unitel.ao'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	wifiemp.unitel.ao
Address: 41.78.18.45
Name:	wifiemp.unitel.ao
Address: 41.78.17.161