server:
  access-control: 0.0.0.0/0 allow
  interface: 0.0.0.0
  port: 5335
  do-ip6: no
  do-ip4: yes
  do-udp: yes
  do-tcp: yes
  # Set number of threads to use
  num-threads: 8
  # Hide DNS Server info
  hide-identity: yes
  hide-version: yes
  # Limit DNS Fraud and use DNSSEC
  harden-glue: yes
  harden-dnssec-stripped: yes
  harden-referral-path: yes
  use-caps-for-id: yes
  harden-algo-downgrade: yes
  qname-minimisation: yes
  aggressive-nsec: yes
  rrset-roundrobin: yes
  # Minimum lifetime of cache entries in seconds
  cache-min-ttl: 300
  # Configure TTL of Cache
  cache-max-ttl: 14400
  # Optimizations
  msg-cache-slabs: 8
  rrset-cache-slabs: 8
  infra-cache-slabs: 8
  key-cache-slabs: 8
  serve-expired: yes
  serve-expired-ttl: 3600
  edns-buffer-size: 1232
  prefetch: yes
  prefetch-key: yes
  unwanted-reply-threshold: 10000000
  # Set cache size
  rrset-cache-size: 256m
  msg-cache-size: 128m
  # increase buffer size so that no messages are lost in traffic spikes
  #so-rcvbuf: 1m
  private-address: 192.168.0.0/16
  private-address: 169.254.0.0/16
  private-address: 172.16.0.0/12
  private-address: 10.0.0.0/8
  private-address: fd00::/8
  private-address: fe80::/10