shell:$ nslookup -timeout=2 -retry=1 'm.unitel.co.ao'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
m.unitel.co.ao	canonical name = helm.tekmob.com.
Name:	helm.tekmob.com
Address: 193.126.233.67