HI Dhanushka, By design, we can not create the reverse mapping zone when the network mask or subnet mask does not fall in an Octet Boundry, this RFC-2317 compliant. Please refer to KB# 315 for detailed information about this. Regards.
Hello there, Fingerprint Filters at the moment is not Supported on Member / Grid level. You can consider contacting Infoblox Support with regards to having a Feature enhancement request filed if required to have this. Hope this helps. Regards.