the problem was directive allow-recursion for IPv6 Addresses. Thats for all who help me on the irc channel. BR, -- View this message in context: http://powerdns.13854.n7.nabble.com/pdns-with-pdns-recursor-on-IPv4-and-IPv6-tp10043p10045.html Sent from the PowerDNS mailing list archive at Nabble.com.