shell:$ nslookup -timeout=2 -retry=1 'www.key-systems.net'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
www.key-systems.net	canonical name = www.key-systems.net.cdn.cloudflare.net.
Name:	www.key-systems.net.cdn.cloudflare.net
Address: 172.66.160.99
Name:	www.key-systems.net.cdn.cloudflare.net
Address: 104.20.40.254
Name:	www.key-systems.net.cdn.cloudflare.net
Address: 2606:4700:10::6814:28fe
Name:	www.key-systems.net.cdn.cloudflare.net
Address: 2606:4700:10::ac42:a063