Dns slave server not updating
The most obvious is just to use a counter: increment the serial number by one each time you modify the file.Another method is to derive the serial number from the date.We'll go through the steps here in case you weren't the one to set up those files or if you'd just like a checklist to follow.Make these changes to your The primary master name server will load the new zone data.For example, you could use the eight-digit number formed by YYYYMMDD. In this form, your serial number would be 19970115.
If all your slaves run a version of BIND newer than 4.8.1 (and we pray you're not using 4.8.1) but older than BIND 9, you can take advantage of the special serial number zero.
Since the backup files are gone, the slave must immediately pull new copies of the zones.
To delete a Each of the zone data files has a serial number.
There is a way that works with all versions of BIND, a way that works with Version 4.8.1 and later, and one that works with 4.9 and later.
The way that always works with all versions is to purge your slaves of any knowledge of the old serial number.