http://www.rfc-editor.org/rfc/rfc6106.txt
RFC 6106: IPv6 Router Advertisement Options for DNS Configuration, J. Jeong, S. Park, L. Beloeil, S. Madanapalli2010-11-01T23:00:00-00:00This document specifies IPv6 Router Advertisement options to allow IPv6 routers to advertise a list of DNS recursive server addresses and a DNS Search List to IPv6 hosts. [STANDARDS-TRACK]