shell:$ nslookup -timeout=2 -retry=1 'sara.ns.cloudflare.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	sara.ns.cloudflare.com
Address: 173.245.58.144
Name:	sara.ns.cloudflare.com
Address: 108.162.192.144
Name:	sara.ns.cloudflare.com
Address: 172.64.32.144
Name:	sara.ns.cloudflare.com
Address: 2606:4700:50::adf5:3a90
Name:	sara.ns.cloudflare.com
Address: 2a06:98c1:50::ac40:2090
Name:	sara.ns.cloudflare.com
Address: 2803:f800:50::6ca2:c090