Are you interested in our Early Access Program (EAP)? This program allows you to preview code, test in your lab and provide feedback prior to General Availability (GA) release of all Infoblox products. If so, please click the link here.
Yes, go to Grid DNS Properties, make sure you are in advanced mode, select Host Naming. You will see ... If you select the default column across from Allow Any, you can make it the default policy. You should now be able to create your wildcard