You can find this section in HostBill Admin Area → Settings → General settings → DNS Settings→ Domain DNS Automation.
Here, you can set the DNS Service Package that will be used for:
To add a new DNS Service Package click on "Create new DNS package" and follow the instructions. This product can be hidden from customers, or free - it is used as connector and configuration reference for creating zones on actual DNS server.
This option allows to decide whether and when to create a DNS on domain registration / transfer.
Optionally you can decide no
This option allows to decide whether or not to create zones on nameserver changes. You can choose to:
This option allows to decide when to remove DNS Zones: