shell:$ nslookup -timeout=2 -retry=1 'webuat.airtel.com.ng' Server: 75.98.161.224 Address: 75.98.161.224#53 Non-authoritative answer: webuat.airtel.com.ng canonical name = 6gzf3fh.impervadns.net. Name: 6gzf3fh.impervadns.net Address: 45.60.75.92