Site options for the DNS service

This topic describes the DNS service resource options for sites and site templates. You select these options when you:

- Sell the service to sites

- Change site service settings

- Add or change site templates

For more information about the tasks above, see the General Help
and About resource types, limits, and usage.

# Resource types

- Prevent site from adding arbitrary zones (sub-zones allowed). This option prevents addition of arbitrary zones. For example, if a site example.com is created, the site administrator can add a sub-zone anything.example.com to the form but cannot add a zone such as anyexample.com.

- Allow site to add reverse records. Allow the site administrator to add Reverse Lookup (PTR) record for host records
  .

- Total number of zones. The number of DNS zones that can be added by the site administrator.