Linux dns cache server and forward and reverse zone configuration

dns cache server

Experimental machine ip 192.168.1.202

First:

1. yum install bind bind-libs bind-utils -y Download package installation

2. cp /etc/named.conf /etc/named .conf.bak Copy a configuration file

3. vim named.conf Enter the configuration file

(the red box is the place that needs to be added or modified)

Then save and exit.

Forward zone analysis:

vim /etc/named.rfc1912.zones Enter the file and add the following items

2. Create a file lantern.com in the /var/named/ folder. zone

vim lantern.com.zone Enter the following items

and check if there are any problems.

It’s correct when you see the word OK.

Next, modify the permissions and group ownership of the lantern.com.zone file. Just modify it to be the same as other files

The next step is to restart the service.

The above is all the preparation work. If it is correct, you can try it to see if it works. The picture below is polling. You can check it out. The following is query using NS and MX.

The above is the forward direction

The following is the reverse direction

vim /etc/named.rfc1912.zones After entering the file, you need to add the following items

2. In /var Create a 192.168.1.zone file in /named/

vim 192.168.1.zone Add some content in it

Then save and exit. Then check the file for errors.

named-checkconf

named-checkzone “192.168.1.zone” /var/named/192.168.1.zone

If it is correct, the next step is to modify the permissions and group of this file

Then restart the service

The following is the test

The above are all the experimental results.