Zone name.

Note: can be skipped to affect all your zones

can be in one fo the following formats:

• Delete a single IP - ip="1.2.1.2"
• Delete a IP range - ip="1.2.1.2-1.2.1.10"
• Delete a IP subnet - ip="10.20.30.40/24"
• Delete a IP mask - ip="10.20.30.40/255.255.255.0"