shell:$ nslookup -timeout=2 -retry=1 'ns-1763.awsdns-28.co.uk' Server: 1.1.1.1 Address: 1.1.1.1#53 Non-authoritative answer: Name: ns-1763.awsdns-28.co.uk Address: 205.251.198.227 Name: ns-1763.awsdns-28.co.uk Address: 2600:9000:5306:e300::1