Unbound
=======

* /etc/unbound/unbound.conf

  ::

    server:
    access-control: 192.168.0.0/16 allow
    do-ip4: yes
    do-ip6: yes
    do-tcp: yes
    do-udp: yes
    rrset-roundrobin: yes

    forward-zone:
    name: "."
    forward-addr: 9.1.2.3
    forward-addr: 9.4.5.6
    forward-addr: 9.7.8.9

    include: "/etc/unbound/unbound.conf.d/*.conf"

* /etc/unbound/unbound.conf.d/redirect.conf

  ::

    local-zone: "doubleclick.net" redirect
    local-data: "doubleclick.net A 127.0.0.1"

* /etc/unbound/unbound.conf.d/static.conf

  ::

    local-zone: "sub.domain.tld" static
    local-data: "sub.domain.tld 3600 IN A 1.2.3.4"
    local-data: "sub.domain.tld 3600 IN A 5.6.7.8"
    local-data-ptr: "1.2.3.4 sub.domain.tld"
    local-data-ptr: "5.6.7.8 sub.domain.tld"