Cursor AI Prompt for DNS configuration

Cursor AI Prompt for DNS configuration

Prompt:  Share the DNS server configuration steps in Centos7.

  # Step 1: Install the bind package
 sudo yum install bind bind-utils -y

 # Step 2: Configure the main configuration file named.conf
 sudo vi /etc/named.conf

 # Step 3: Add DNS zones to the named.conf file
 # Replace 'yourdomain.com' with your actual domain
 zone "yourdomain.com" IN {
     type master;
     file "forward.yourdomain";
     allow-update { none; };
 };

 zone "0.0.10.in-addr.arpa" IN {
     type master;
     file "reverse.yourdomain";
     allow-update { none; };
 };

 # Step 4: Create forward and reverse zone files
 sudo vi /var/named/forward.yourdomain
 sudo vi /var/named/reverse.yourdomain

 # Step 5: Add DNS records to the zone files
 # In the forward zone file
 yourdomain.com.     IN    SOA     ns.yourdomain.com. root.yourdomain.com. (
                         2011071001  ;Serial
                         3600        ;Refresh
                         1800        ;Retry
                         604800      ;Expire
                         86400       ;Minimum TTL
 )

 # In the reverse zone file
 @     IN    SOA     ns.yourdomain.com. root.yourdomain.com. (
                         2011071001  ;Serial
                         3600        ;Refresh
                         1800        ;Retry
                         604800      ;Expire
                         86400       ;Minimum TTL
 )

 # Step 6: Check the configuration files for syntax errors
 sudo named-checkconf
 sudo named-checkzone yourdomain.com /var/named/forward.yourdomain
 sudo named-checkzone yourdomain.com /var/named/reverse.yourdomain

 # Step 7: Start and enable the named service
 sudo systemctl start named
 sudo systemctl enable named

 # Step 8: Open DNS service in the firewall
 sudo firewall-cmd --permanent --add-service=dns
 sudo firewall-cmd --reload