I recently setup Dynamic DNS updates for Reverse PTR records. The DHCP server successfully updates the reverse DNS records for our domain-joined, Windows endpoints. But, I'm having issues with our OS X endpoints.

Windows Server 2012R2 Roles: DHCP+DNS

DHCP settings I have enabled: Set to always dynmacially update DNS Records Dynamically update DNS Records for DHCP Clients that do not request updates.

DNS: Allow secure and non-secure updates.

Client: OSX 10.14.1

DHCP Settings

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