As of a few years ago you don’t need DHCPv6 to announce DNS servers. Router advertisements can announce a recursive DNS server (RDNSS) which local clients migh

As of a few years ago you don’t need DHCPv6 to announce DNS servers. Router advertisements can announce a recursive DNS server (RDNSS) which local clients might like to use, eg: https://github.com/radvd-project/radvd/blob/master/radvd.conf.example#L106 https://github.com/radvd-project/radvd/blob/master/radvd.con... Bad luck though if you are using, ahem, AIX or Windows Phone: https://en.m.wikipedia.org/wiki/Comparison_of_IPv6_support_in_operating_systems https://en.m.wikipedia.org/wiki/Comparison_of_IPv6_support_i...