server:
  interface: {{ query('community.general.dig', inventory_hostname, 'qtype=A') | first }}
  port: 5335
  access-control: 192.168.0.0/16 allow_snoop
  verbosity: 2

  use-syslog: no
  logfile: "/var/log/unbound/unbound.log"
  log-time-ascii: yes
  statistics-cumulative: yes

# Optimization
  num-threads: 12
  msg-cache-slabs: 8
  rrset-cache-slabs: 8
  infra-cache-slabs: 8
  key-cache-slabs: 8

  rrset-cache-size: 250m
  msg-cache-size: 125m

  so-reuseport: yes

  minimal-responses: yes

  prefetch: yes
  prefetch-key: yes

  serve-expired: yes
  cache-max-ttl: 3600