Dns slave server not updating

Posted by / 23-Sep-2019 14:20

After restarting named service, Check zone files on slave dns server at /var/named/chroot/var/named/slaves/. Any changes done on Master will reflect on slave after a specified time interval.The DNS ( Domain Name System ) is a distributed system, used for transalate domain names to IP and vice a versa. This article will help you to How to Setup Master Slave DNS Server on Cent OS 6 and RHEL Systems. The master server sends its data and delegates authority to the slave server.Clients can query a slave server for DNS information.There could be only one Master zone on one DNS server at a time.

The DNS namespace can have single or multiple DNS zones, each managed by a particular DNS host/service.By using slave servers, you can improve response time and reduce network overhead by spreading the load over multiple machines.Slave servers also provide redundancy in case the master server is not available.The process of sending the most recent zone database from the master to the slave is called a zone transfer.Thus, you do not modify data files on a slave server, you modify the data files on the zone's master server and the slave servers update their files from the master.

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All zone files will automatically synced from master dns server.

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