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

Non-authoritative answer:
Name:	ct.cloudflare.com
Address: 104.18.10.216
Name:	ct.cloudflare.com
Address: 104.18.11.216
Name:	ct.cloudflare.com
Address: 2606:4700::6812:ad8
Name:	ct.cloudflare.com
Address: 2606:4700::6812:bd8