pdns-slave/conf/pdns-slave.json.default

{
  "dhcpd-file":       "/etc/dhcp/dhcpd.conf",
  "dhcpd-template":   "/etc/pdns-slave/dhcpd.conf",

  "hosts-file":       "/etc/pdns-slave/hosts.json",

  "master-server":    "ns.example.com",
  "master-user":      "master-user",
  "master-password":  "master-password",
  "master-database":  "powerdns",

  "slave-server":     "127.0.0.1",
  "slave-user":       "slave-user",
  "slave-password":   "slave-password",
  "slave-database":   "powerdns"
}