# File lib/dnsruby/zone_transfer.rb, line 50
    def initialize
      @server=Config.new.nameserver[0]
      @transfer_type = Types.AXFR
      @klass=Classes.IN
      @port=53
      @serial=0
      @tsig = nil
      @axfr = nil
      @src_address = nil
      @connect_timeout = 5
    end