The Unbound DNS server, from NLnet Labs, is a dedicated caching recursive DNS resolver, that comes with QNAME minimization enabled by default.
The configuration files reside in the
/etc/unbound directory. To disable QNAME minimization, add the following to the
or optionally, to one of the files included by that file, typically in the
server: qname-minimisation: no
You could also add the
qname-minimisation line to an existing