shell:$ nslookup -timeout=2 -retry=1 'webuat.airtel.com.ng' Server: 127.0.0.53 Address: 127.0.0.53#53 Non-authoritative answer: webuat.airtel.com.ng canonical name = 6gzf3fh.impervadns.net. Name: 6gzf3fh.impervadns.net Address: 45.60.135.92