On 05/03/14 15:15, Klaus Darilion wrote: > Does it only happen for IPv6 DNS requests? Maybe it is related to this: > https://open.nlnetlabs.nl/pipermail/nsd-users/2014-January/001783.html Or, less likely, this: http://marc.info/?l=linux-netdev&m=139352943109400&w=2 -- Marco