zone "dn42." {
  type master;
  notify yes;
  forwarders {};
  file "db.dn42";
};

zone "root.dn42." {
  type master;
  notify yes;
  forwarders {};
  file "db.root.dn42";
};

zone "20.172.in-addr.arpa." {
  type master;
  notify yes;
  forwarders {};
  file "db.20.172.in-addr.arpa";
};

zone "22.172.in-addr.arpa." {
  type master;
  notify yes;
  forwarders {};
  file "db.22.172.in-addr.arpa";
};

zone "23.172.in-addr.arpa." {
  type master;
  notify yes;
  forwarders {};
  file "db.23.172.in-addr.arpa";
};

zone "d.6.a.6.2.9.9.4.0.c.d.f.ip6.arpa" {
  type master;
  notify yes;
  allow-update { key openvpnupdate; };
  file "d.6.a.6.2.9.9.4.0.c.d.f.ip6.arpa";
};

zone "75.23.172.in-addr.arpa" {
  type master;
  notify yes;
  notify-source 172.23.75.6;
  forwarders {};
  file "75.23.172.in-addr.arpa";
  allow-update { key openvpnupdate; };
};

zone "d.f.ip6.arpa" {
  type master;
  notify yes;
  forwarders {};
  file "db.d.f.ip6.arpa";
};

zone "evenet.dn42" {
  type master;
  notify yes;
  notify-source 172.23.75.6;
  forwarders {};
  file "dn42.zone";
  allow-update { key openvpnupdate; };
};