The input value of the setting %1 is lesser then a minute and will be ignored. A value between 1 minute to 1 week will configure ...

The input value of the setting %1 is lesser then a minute and will be ignored. A value between 1 minute to 1 week will configure the writing of data to the zone file periodically after that interval. A value of 0 will disable the periodic writing of data to the zone file.