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-   -   Purpose of SOA serial number? (https://www.linuxquestions.org/questions/linux-server-73/purpose-of-soa-serial-number-863804/)

centosfan 02-19-2011 06:17 PM
Purpose of SOA serial number?
 
Except faster reading of zone records there is not other purpose of correct SOA number,right?(in case when SOA number is totally wrong)

fordeck 02-19-2011 06:29 PM
The SOA serial number helps a slave server decide if a zone needs to be transfered from the master. Thus helping master and slave stay in sync.

Regards,

Fordeck

KinnowGrower 02-19-2011 09:19 PM
Just wanna add. By chance after updating the zone file, if someone forget to update the serial number the transfer wont happen until the expiry of zone.


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