shell:$ nslookup -timeout=2 -retry=1 'developers.airtel.africa' Server: 1.1.1.1 Address: 1.1.1.1#53 Non-authoritative answer: developers.airtel.africa canonical name = g4sw9dr.impervadns.net. Name: g4sw9dr.impervadns.net Address: 45.60.75.92