On the DNS Zone tab, you can add existing reverse DNS zones from Address Manager to work with by entering the IPv4 or IPv6 address in CIDR notation.
- In the Add CIDR field, enter IPv4 CIDR or IPv6 prefix that
you wish to work with and click Add.Note: If the IPv4 network or IPv6 block entered does not exist within the specified configuration and view in Address Manager, an error message appears indicating that it failed to add the IPv4 network or IPv6 block.
- Click to delete the IPv4 network or IPv6 block that you no longer wish to work with.
Note: Reverse zone names that contain configuration issues are indicated with an orange exclamation mark next to the name. You can hover over the reverse zone name to display issues with the configuration. To resolve the configuration issues, click the name of the reverse zone and edit the configuration. Common configuration issues are as follows:
- The zone is missing a TSIG key.
- Update to Name permissions of the zone are missing the TSIG key in the identity value.