# File lib/dnstraverse/message_utility.rb, line 94
    def msg_additional_ips?(msg, args)
      qclass = args[:qclass] || 'IN'
      Log.debug { "Looking for #{args[:qname]}/#{args[:qtype]} in additional" }
      if add = msg.additional.select { |x|
          x.name.to_s.casecmp(args[:qname].to_s) == 0 && 
          x.klass.to_s.casecmp(qclass.to_s) == 0 &&
          x.type.to_s.casecmp(args[:qtype].to_s) == 0
        } then
        ips = add.map {|x| x.address.to_s }
        Log.debug { "Found in additional #{args[:qname]} = " + ips.join(", ") }
        return ips
      end
      Log.debug { "No additional records for #{args[:qname]}/#{args[:qtype]}" }
      return nil
    end