shell:$ nslookup -timeout=2 -retry=1 'ken.ns.cloudflare.com'
Server: 1.1.1.1
Address: 1.1.1.1#53
Non-authoritative answer:
Name: ken.ns.cloudflare.com
Address: 108.162.193.127
Name: ken.ns.cloudflare.com
Address: 172.64.33.127
Name: ken.ns.cloudflare.com
Address: 173.245.59.127
Name: ken.ns.cloudflare.com
Address: 2606:4700:58::adf5:3b7f
Name: ken.ns.cloudflare.com
Address: 2803:f800:50::6ca2:c17f
Name: ken.ns.cloudflare.com
Address: 2a06:98c1:50::ac40:217f
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