shell:$ nslookup -timeout=2 -retry=1 'sky.ns.cloudflare.com'
Server: 127.0.0.53
Address: 127.0.0.53#53
Non-authoritative answer:
Name: sky.ns.cloudflare.com
Address: 108.162.194.2
Name: sky.ns.cloudflare.com
Address: 162.159.38.2
Name: sky.ns.cloudflare.com
Address: 172.64.34.2
Name: sky.ns.cloudflare.com
Address: 2606:4700:50::a29f:2602
Name: sky.ns.cloudflare.com
Address: 2803:f800:50::6ca2:c202
Name: sky.ns.cloudflare.com
Address: 2a06:98c1:50::ac40:2202
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