Editing Implementation of sysnetglobal mailserver (section)

== '''DNS Configuration in Sysnetglobal''' ==


#yum install bind bind-utils

# service named restart


[root@sysmet-zimbra ~]# vim  /etc/named.conf 

//

// named.conf

//

// Provided by Red Hat bind package to configure the ISC BIND named(8) DNS

// server as a caching only nameserver (as a localhost DNS resolver only).

//

// See /usr/share/doc/bind*/sample/ for example named configuration files.

//



options {

	listen-on port 53 { 127.0.0.1; 10.240.40.228; };

//	listen-on-v6 port 53 { ::1; };

	directory 	"/var/named";

	dump-file 	"/var/named/data/cache_dump.db";

        statistics-file "/var/named/data/named_stats.txt";

        memstatistics-file "/var/named/data/named_mem_stats.txt";

//	allow-query     { localhost; };

	allow-query	{ any; };

	

	recursion yes;



	dnssec-enable yes;

	dnssec-validation yes;

	dnssec-lookaside auto;



	/* Path to ISC DLV key */

	bindkeys-file "/etc/named.iscdlv.key";



	managed-keys-directory "/var/named/dynamic";

};



logging {

        channel default_debug {

                file "data/named.run";

                severity dynamic;

        };

};



zone "." IN {

	type hint;

	file "named.ca";

};

zone "sysmet-zimbra" IN {

	type master;

	file "/var/named/sysmet-zimbra_fwd";

	allow-update { none; };

};



zone "sysnetglobal.com" IN {

	type master;

	file "/var/named/sysmet-zimbra_fwd";

	allow-update { none; };

};




zone "sysnetglobal.net" IN {

	type master;

	file "/var/named/sysmet-zimbra_fwd";

	allow-update { none; };

};

//include "/etc/named.rfc1912.zones"

//include "/etc/named.root.key";




  '''Forward Zone''' 

#cd /var/named 

# cp -p named.localhost  sysmet-zimbra_fwd

[root@sysmet-zimbra named]# cat sysmet-zimbra_fwd 

$TTL 6400
@       IN SOA  sysmet-zimbra. root.sysmet-zimbra. (
                                        20150405        ; serial
                                        1D      ; refresh
                                        1H      ; retry
                                        1W      ; expire
                                        3H )    ; minimum
                        IN      NS              sysmet-zimbra.c.zimbra-sysnet.internal.
                        IN      A               10.240.40.228
                        MX      5               mail.sysnetglobal.com.
                        MX      10              mail.sysnetglobal.net.
 sysmet-zimbra           IN      A       10.240.40.228
 mail.sysnetglobal.com.   IN      A       10.240.40.228
 mail.sysnetglobal.net.   IN      A       10.240.40.228