shell:$ nslookup -timeout=2 -retry=1 'www.airtel.com.ng' Server: 1.1.1.1 Address: 1.1.1.1#53 Non-authoritative answer: www.airtel.com.ng canonical name = 38zprlm.impervadns.net. Name: 38zprlm.impervadns.net Address: 45.60.75.92