CRM 2016 On Premise - Plugin Registration Can Not Connect If IFD Enabled

Hi. I have Microsoft Dynamics CRM 2016 On Premise and IFD Enabled On it.
In This Situation i can not Connect plugin Registration to CRM. Even I Can not Connect With XRMtoolbox.
My Problem Is What is Home Realm Url?
What is Organization Url In IFD Mode?

Please Help me Because I Want Publish My Plugins Into CRM but I Can not.