shell:$ nslookup -timeout=2 -retry=1 'ns1.marwan.ma' Server: 127.0.0.53 Address: 127.0.0.53#53 Non-authoritative answer: Name: ns1.marwan.ma Address: 196.200.160.200 Name: ns1.marwan.ma Address: 2001:4310:f1:d::200