shell:$ nslookup -timeout=2 -retry=1 'ns-766.awsdns-31.net' Server: 127.0.0.53 Address: 127.0.0.53#53 Non-authoritative answer: Name: ns-766.awsdns-31.net Address: 205.251.194.254 Name: ns-766.awsdns-31.net Address: 2600:9000:5302:fe00::1