# File lib/net/dns/resolver.rb, line 594
      def state
        str = ";; RESOLVER state:\n;; "
        i = 1
        @config.each do |key,val|
          if key == :log_file or key == :config_file
            str << "#{key}: #{val} \t"
            else
            str << "#{key}: #{eval(key.to_s)} \t"
          end
          str << "\n;; " if i % 2 == 0
          i += 1
        end
        str
      end