On 27/03/2017 19:40, A. Schulze wrote: Hi Andreas, > I'm only aware of "minimal-reponses: yes" for unbound-1.6.1 > ( http://www.unbound.net/documentation/unbound.conf.html ) > > but not for nsd-4.1.15 ( https://nlnetlabs.nl/projects/nsd/nsd.conf.5.html ) It's just in trunk for now. It will become available when 4.1.16 is released. Regards, Anand