The DDNS Agent service is an additional service for receiving DNS record updates for Artica DNS Firewall and the Artica DNS Cache service.
The DDNS Agent service receives record updates from a DHCP service in order to provide DNS resolutions to the aforementioned DNS services.
On the left menu, go to Your System > Update > Packages center
on the search field, type ddns
Click on Install Or Upgrade button under the DDNS Agent Service row