topology :
ISP ---- router --- dns server
-------gw 10.10.10.100 ----|
---------- | --------------|
-----------| ------ip 10.10.10.100/24
-----------| --------------
---------client------------
------ip 10.10.10.0/24 ---\
Example configuration DNS Server file forward /etc/bind/db.192.gondez
$TTL 604800 @ IN SOA gondez.net. root.gondez.net. ( 1 ; Serial 604800 ;
Refresh 86400 ;
Retry 2419200 ;
Expire 604800 ) ;
Negative Cache TTL ;
@ IN NS gondez.net.
100 IN PTR gondez.net.
file reverse /etc/bind/db.gondez
;
;
BIND data file for local loopback interface ;
$TTL 604800 @ IN SOA gondez.net. root.gondez.net. ( 2 ; Serial 604800 ;
Refresh 86400 ;
Retry 2419200 ;
Expire 604800 ) ;
Negative Cache TTL ;
@ IN NS gondez.net.
@ IN A 10.10.10.100
www IN A 10.10.10.100
ftp IN A 10.10.10.100
mail IN MX 10.10.10.100
cloud IN A 10.10.10.100
home IN A 10.10.10.100
file zone /etc/bind named.conf.local
zone "10.10.10.in-addr.arpa" { type master;
file "/etc/bind/db.192.gondez"; };
zone "gondez.net" { type master;
file "/etc/bind/db.gondez"; };
file /etc/bind/named.conf.options
options { directory "/var/cache/bind";
// If there is a firewall between you and nameservers you want
// to talk to, you may need to fix the firewall to allow multiple
// ports to talk. See http://www.kb.cert.org/vuls/id/800113
// If your ISP provided one or more IP addresses for stable
// nameservers, you probably want to use them as forwarders.
// Uncomment the following block, and insert the addresses replacing
// the all-0's placeholder.
forwarders {
8.8.8.8;
8.8.4.4;
};
//========================================================================
// If BIND logs error messages about the root key being expired,
// you will need to update your keys. See https://www.isc.org/bind-keys
//========================================================================
dnssec-validation no;
allow-query { any; };
allow-query-cache { any; };
allow-recursion { any; };
auth-nxdomain no;
listen-on-v6 { any; };
mikrotik NAT redirect to DNS Server
chain=dstnat action=dst-nat to-addresses=10.10.10.100 to-ports=53
protocol=udp src-address=!10.10.10.100 dst-port=53 log=no log-prefix=""
chain=dstnat action=dst-nat to-addresses=10.10.10.100 to-ports=53
protocol=tcp src-address=!10.10.10.100 dst-port=53 log=no log-prefix=""
chain=srcnat action=masquerade to-ports=53 protocol=udp
src-address=10.10.10.0/24 dst-port=53 log=no log-prefix=""
chain=srcnat action=masquerade to-ports=53 protocol=tcp
src-address=10.10.10.0/24 dst-port=53 log=no log-prefix=""
chain=srcnat action=masquerade out-interface=ether1 log=no log-prefix=""