Install bind package :

yum install bind bind-utils -y 

Backup and open configuration file : 

cp /etc/named.conf /etc/named.conf.backup 
nano /etc/named.conf 

Add the lines : 

listen-on port 53 { 127.0.0.1; 103.129.221.94; }; 
allow-query     { localhost; 103.129.221.94; any; }; 
allow-query-cache { localhost; 103.129.221.94; any; }; 

the result like image below : 

Still in the same file, add the lines : 

zone "urtech.id" {
       type master;
       file "/etc/named/urtech.id.zone";
};
// you can add more domain here //
 
zone "75.118.32.in-addr.arpa" IN {
       type master;
       file "/etc/named/75.118.32.rev";
};

change "urtech.id.zone" with "your-domain.zone".

the result like image below :

Create forward zone file :

nano /etc/named/urtech.id.zone

Add the lines : 

$TTL    86400
@       IN      SOA     urtech.id. root.urtech.id. (
               2018092501      ;Serial
               3600            ;Refresh
               1800            ;Retry
               604800          ;Expire
               86400           ;Minimum TTL
)
 
@       IN      NS      ns1.urtech.id.
@       IN      NS      ns2.urtech.id.
@       IN      A       103.129.221.94
ns1     IN      A       103.129.221.94
ns2     IN      A       103.129.221.94
www     IN      CNAME   urtech.id.
blog    IN      A       103.129.221.94
// you can add more subdomain here //

Then configure reverse zone file :

nano /etc/named/75.118.32.rev

Add the lines : 

$TTL    86400
@       IN      SOA     urtech.id. root.urtech.id. (
               2018092501      ;Serial
               3600            ;Refresh
               1800            ;Retry
               604800          ;Expire
               86400           ;Minimum TTL
)

       IN      NS      ns1.urtech.id.
       IN      NS      ns2.urtech.id.
@      IN      A       103.129.221.94
ns1    IN      A       103.129.221.94
ns2    IN      A       103.129.221.94
75     IN      PTR     urtech.id.
75     IN      PTR     blog.urtech.id.
// you can add more domain and subdomain here //

Now, enable and restart service :

systemctl enable named
systemctl restart named

Edit DNS resolver file :

nano /etc/resolv.conf

Change the lines :

search urtech.id
nameserver 103.129.221.94
nameserver 8.8.4.4

Testing, in your computer :

nslookup urtech.id

the result like image below :

Next, to access your server from web browser, install web server like httpd, apache, nginx, etc.