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

Non-authoritative answer:
Name:	simon.ns.cloudflare.com
Address: 172.64.33.232
Name:	simon.ns.cloudflare.com
Address: 173.245.59.232
Name:	simon.ns.cloudflare.com
Address: 108.162.193.232
Name:	simon.ns.cloudflare.com
Address: 2803:f800:50::6ca2:c1e8
Name:	simon.ns.cloudflare.com
Address: 2a06:98c1:50::ac40:21e8
Name:	simon.ns.cloudflare.com
Address: 2606:4700:58::adf5:3be8