Thingsboard

[klmhsb42]

IoT device manager https://thinger.io/

or similar app

should be able to do:
name resolution of home devices
DNS Rebind Protection

[klmhsb42]

give devices ipv6 privacy extensions

[cyberb]

Cannot see a source repo for this one.

[klmhsb42]

me neither... simple IPv6 IP Address Management software would do the job, but they are all complex. Like https://phpipam.net/

[klmhsb42]

or https://github.com/thingsboard/thingsboard