shell:$ nslookup -timeout=2 -retry=1 'ns2.maroc-telecom.com' Server: 75.98.161.224 Address: 75.98.161.224#53 Non-authoritative answer: ns2.maroc-telecom.com canonical name = dns1.menara.ma. Name: dns1.menara.ma Address: 81.192.21.65