# File lib/Dnsruby/resource/SOA.rb, line 49
      def from_hash(hash)
        @mname = Name.create(hash[:mname])
        @rname = Name.create(hash[:rname])
        @serial = hash[:serial]
        @refresh = hash[:refresh]
        @retry = hash[:retry]
        @expire = hash[:expire]
        @minimum = hash[:minimum]
      end