Hello Vinicius,
If you follow the rules found in Deployment Recomendations [1] I don't see why it wouldn't work.
I think your best option is to follow the old discussion [2], and set delegation on AD side, and PTR records on IPA side. You'll also need to grant permission for the dynamic updates as stated in that same thread.
Rafael
On Wed, May 20, 2020 at 10:04 PM Vinícius Ferrão via FreeIPA-users <freeipa-users@lists.fedorahosted.org> wrote:
>
> I would like to know how to handle reverse DNS zones when AD trust is enabled.
>
> I do have separate domains for AD and IPA as required, but the reverse zones are mixed, since the hosts are on the same network, which is common. In this scenario where should the reverse DNS zone be hosted? On the AD side? On IPA? How to make this work without breaking dynamic DNS updates for the PTR zones? Should any of them keep the zones as slaves?
>
> There’s some older discussions here on the list but without continuity and I don’t know the results, like this one:
> https://www.redhat.com/archives/freeipa-users/2015-June/msg00555.html
>
> In this old thread, the recommendation was to move the reverse zone to IPA and make some grants on BIND to allow Dynamic DNS updates.
>
> But is this still the case?
> There’s any oficial guidance in this issue?
> This scenario is supported or I must have separate networks, even with VLANs and IP addresses, for *nix and Windows clients?
>
> Thanks,
>
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--
Rafael Guterres Jeffman
Senior Software Engineer
FreeIPA - Red Hat