You need a Controller license. Add as many Agents (web servers) and Nodes (DNS servers) you need
Bundle kit of 1 Controller (Web Interface) plus as many Agents (Web servers) and Nodes (DNS Servers) you need.
Zonecloud's heart. Controller manages the Agents (Web servers) and Nodes (DNS Servers).
Zonecloud Agent. Deploy them on your web servers to sync zones into the controller.
Select the appropriate quantity (Qty). One license per server needed.
Zonecloud Node. Deploy them on your DNS servers to sync zones from Agents and Controller to your DNS Servers.
Select the appropriate quantity (Qty). One license per server needed. Usually 2 , 3 or 4 depending on your DNS needs.