shell:$ nslookup -timeout=2 -retry=1 'ns2.f5clouddns.com' Server: 127.0.0.53 Address: 127.0.0.53#53 Non-authoritative answer: Name: ns2.f5clouddns.com Address: 107.162.176.221 Name: ns2.f5clouddns.com Address: 2604:e180:1071::ffff:6ba2:b0dd