Prerequiste

I assume that you have a Centos installation.

Installation

You can copy/paste this script and use it to configure automatically your server.

#!/bin/bash
 
echo "install bind"
dnf -y install  bind bind-libs bind-utils
 
echo "start service named at boot"
systemctl enable named.service
 
echo "get current network interface"
currentDevice=`nmcli d | grep connected | awk '{split($1,a,"\t"); print a[1]}'`
 
echo "add service name (port 53) to firewall"
firewall-cmd --permanent --add-port=53/tcp
firewall-cmd --reload
 
echo "create my-domain.local.fwd"
cat > /var/named/my-domain.local.fwd << "EOF"
$ORIGIN my-domain.local.
 
$TTL 3D
 
@       SOA     dns.my-domain.local.     root.my-domain.local. (12 4h 1h 1w 1h)
 
@       IN      NS      dns.my-domain.local.
 
dns.my-domain.local.     IN      A       mylocalIP
 
www                                     IN      A       mylocalIP
 
EOF
 
mylocalIP=`hostname -I`
sed -i "s/mylocalIP/$mylocalIP/g" /var/named/my-domain.local.fwd
 
echo "create my-domain.local.rev"
cat > /var/named/my-domain.local.rev << "EOF"
$ORIGIN mylocalIP3.mylocalIP2.mylocalIP1.in-addr.arpa.
 
$TTL 3D
 
@       SOA     dns.my-domain.local.     root.my-domain.local. (12 4h 1h 1w 1h)
 
@       IN      NS      dns.my-domain.local.
 
mylocalIP4     IN      PTR     dns.my-domain.local.
 
EOF
 
mylocalIP1=`hostname -I | cut -d: -f2 | cut -d. -f1| awk '{ print $1}'`
mylocalIP2=`hostname -I | cut -d: -f2 | cut -d. -f2| awk '{ print $1}'`
mylocalIP3=`hostname -I | cut -d: -f2 | cut -d. -f3| awk '{ print $1}'`
mylocalIP4=`hostname -I | cut -d: -f2 | cut -d. -f4| awk '{ print $1}'`
 
sed -i "s/mylocalIP1/$mylocalIP1/g" /var/named/my-domain.local.rev
sed -i "s/mylocalIP2/$mylocalIP2/g" /var/named/my-domain.local.rev
sed -i "s/mylocalIP3/$mylocalIP3/g" /var/named/my-domain.local.rev
sed -i "s/mylocalIP4/$mylocalIP4/g" /var/named/my-domain.local.rev
 
echo "Now add zone to named.conf"
cat >> /etc/named.conf << "EOF"
zone "my-domain.local" {
        type master;
        file "my-domain.local.fwd";
};
zone "mylocalIP3.mylocalIP2.mylocalIP1.in-addr.arpa" {
        type master;
        file "my-domain.local.rev";
};
EOF
 
sed -i "s/mylocalIP1/$mylocalIP1/g" /etc/named.conf
sed -i "s/mylocalIP2/$mylocalIP2/g" /etc/named.conf
sed -i "s/mylocalIP3/$mylocalIP3/g" /etc/named.conf
 
echo "Now enable query from all network (WARNING you should have a look at this to improve your network security!)"
sed -i "s/\(listen-on port\)/\/\/\1/g" /etc/named.conf
sed -i "s/\(listen-on-v6 port\)/\/\/\1/g" /etc/named.conf
sed -i "s/\(allow-query\)/\/\/\1/g" /etc/named.conf
 
 
echo "start service"
systemctl restart named.service