shell:$ nslookup -timeout=2 -retry=1 'fiona.ns.cloudflare.com'
Server: 1.1.1.1
Address: 1.1.1.1#53
Non-authoritative answer:
Name: fiona.ns.cloudflare.com
Address: 108.162.192.157
Name: fiona.ns.cloudflare.com
Address: 172.64.32.157
Name: fiona.ns.cloudflare.com
Address: 173.245.58.157
Name: fiona.ns.cloudflare.com
Address: 2606:4700:50::adf5:3a9d
Name: fiona.ns.cloudflare.com
Address: 2803:f800:50::6ca2:c09d
Name: fiona.ns.cloudflare.com
Address: 2a06:98c1:50::ac40:209d
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