shell:$ nslookup -timeout=2 -retry=1 'ns-1815.awsdns-34.co.uk' Server: 127.0.0.53 Address: 127.0.0.53#53 Non-authoritative answer: Name: ns-1815.awsdns-34.co.uk Address: 205.251.199.23 Name: ns-1815.awsdns-34.co.uk Address: 2600:9000:5307:1700::1