Installation and configuration DNS (Bind)

"Installation and configuration DNS (Bind)"


# yum install bind bind-utils -y
# vi /etc/named.conf

listem-on port 53 { 127.0.0.1; 192.168.0.100; };    //192.168.0.100 is dns server ip

allow-query		{ localhost; 192.168.0.0/24; };		//192.168.0.0/24 is dns network


//zone config

zone "ethics.edu" {
	type master;
	file "master/ethics.zone";
};
zone "100.0.168.192.in-addr.arpa" {
	type master;
	file "master/192.168.0.100.zone";
};


# cd /var/named
# mkdir master
# cd master
# vi ethics.zone

$TTL 2D
@		IN SOA	srv.ethics.edu.	root.srv.ethics.edu. (
		2015071402 ; serial
		3H ; refresh
		1H ; retry
		1W ; expiry
		1D ) ; minium
		IN MX 10 srv.ethics.edu.
		IN NS srv.ethics.edu.
		IN A 192.168.0.100
srv 	IN A 192.168.0.100
prop3	IN CNAME	srv
smtp	IN CNAME	srv
www		IN CNAME	srv
proxy	IN CNAME	srv
mail	IN CNAME	srv
admin	IN CNAME	srv
repo	IN CNAME	srv


# vi 192.168.0.100.zone

$TTL 2D
@		IN SOA	srv.ethics.edu.	root.srv.ethics.edu. (
		2017040312 ; serial
		3H ; refresh
		1H ; retry
		1W ; expiry
		1D ) ; minium
		IN NS	srv.ethics.edu.
		IN PTR	ethics.edu.
1		IN PTR	srv.ethics.edu.

# chgrp named /var/named/master/ethics.zone
# chgrp named /var/named/master/192.168.0.100.zone
# systemctl start named
# systemctl enable named
# firewall-cmd --add-port=53/udp --permanent
# firewall-cmd --reload