Dns slave server not updating
Master DNS Server IP: 192.168.1.90 ( ns1.) Slave DNS Server IP: 192.168.1.91 ( ns2.) Domain Name : ( For Testing Purpose ) Domain IP : 192.168.1.100 ( For Testing Purpose ) ; Zone file for $TTL 14400 @ 86400 IN SOA ns1. ( 3215040200 ; serial, todays date todays 86400 ; refresh, seconds 7200 ; retry, seconds 3600000 ; expire, seconds 86400 ) ; minimum, seconds
Query to your Master and Slave DNS Server directly using following commands, You will get the same resonse from both servers.
The main difference between master and slave DNS server is that the master DNS server reads data related to the domain zone and communicates with the slave DNS server while the slave DNS server is a server that obtains zone data from the master DNS server immediately after being set up.
DNS is a server that converts the domain names to corresponding IP addresses. The server administrator can configure a DNS to be master or slave.
Something essential is that to be able to make changes to the DNS zone, the master zone must be available.
If the server with your Primary DNS is down, you won’t be able to make any changes.
A DNS zone may contain multiple domain names or a single one; the important thing is that it is used for controlling a fraction of the namespace. There are different types of DNS zones, but in this article, we will set our eyes on just two: • Master (Primary) DNS zone • Slave (Secondary) DNS zone Master zones, contain a read/write copy of the zone data.Now you know what a DNS zone is and the difference between these two types – Master DNS zone and Slave DNS zone.For any additional questions about your DNS infrastructure, you can contact our customer support.When starts, it requests all the data for the given zone from the master.The slave server then periodically checks with the master to see if it needs to update its database.
All zone files will automatically synced from master dns server.