shell:$ nslookup -timeout=2 -retry=1 'aspmx2.googlemail.com' Server: 127.0.0.53 Address: 127.0.0.53#53 Non-authoritative answer: Name: aspmx2.googlemail.com Address: 172.253.116.27 Name: aspmx2.googlemail.com Address: 2a00:1450:400b:c02::1a