You can add ULA addresses to devices and use those in local DNS. Or just use the automatic link-local ones, One of the best things about IPv6 is support for mul

You can add ULA addresses to devices and use those in local DNS. Or just use the automatic link-local ones, One of the best things about IPv6 is support for multiple addresses per host and using them in different contexts. I stopped maintaining local DNS and use mDNS instead which updates automatically.