anchor.diff:  # defaults are localhost address, reverse for 127.0.0.1 and ::1
   # and nxdomain for AS112 zones. If you configure one of these zones
   # the default content is omitted, or you can omit it with 'nodefault'.
  -# 
  +#
   # If you configure local-data without specifying local-zone, by
   # default a transparent local-zone is created for the data.
   #
  
positive.code: # you need to do the reverse notation yourself.
  # local-data-ptr: "192.0.2.3 www.example.com"
  server:
    local-zone: "<%= @local_zone['id'].gsub(/_/, ".") %>." static
    <% @local_zone['ns'].each do |rr| -%>
      <% rr.each do |fqdn,ip| -%>
  
negative.code:   local-data: "<%= fqdn %>. 10800 IN A <%= ip %>"
      <% end -%>
    <% end -%>
  <% end %>
  