shell:$ nslookup -timeout=2 -retry=1 'a139.ms.a.microsoft.com' Server: 127.0.0.53 Address: 127.0.0.53#53 Non-authoritative answer: Name: a139.ms.a.microsoft.com Address: 23.205.255.43 Name: a139.ms.a.microsoft.com Address: 23.205.255.41