# File lib/dnstraverse/message_utility.rb, line 23
    def msg_comment(msg, args)
      warnings = Array.new
      if args[:want_recursion] then
        if not msg.header.ra then
          warnings.push "#{msg.answerfrom} doesn't allow recursion"
        end
      else
        if msg.header.ra then
          warnings.push "#{msg.answerfrom} allows recursion"
        end
      end
      if msg.header.tc then
        warnings.push "#{msg.answerfrom} sent truncated packet"
      end
      for warn in warnings do
        Log.warn { warn }
      end
      Log.debug { "#{msg.answerfrom} code #{msg.rcode}" }
      return warnings
    end