shell:$ nslookup -timeout=2 -retry=1 'dev.unitelpower.ao'
Server: 75.98.161.224
Address: 75.98.161.224#53
Non-authoritative answer:
Name: dev.unitelpower.ao
Address: 104.21.56.58
Name: dev.unitelpower.ao
Address: 172.67.178.196
Name: dev.unitelpower.ao
Address: 2606:4700:3032::ac43:b2c4
Name: dev.unitelpower.ao
Address: 2606:4700:3031::6815:383a
| 
104.21.56.58