linux下dns主从服务器实现

浏览数：18 / 时间：2015年06月20日

案例环境：
主域名服务器：ns1.zdj.com，172.17.0.142
从域名服务器：ns2.zdj.com，172.17.0.37
两台服务器均能够提供 zdj.com 区域的域名解析

主域名服务器：1.   ip:172.17.0.142
[root@localhost var]# vim /var/named/chroot/etc/named.rfc1912.zones     ----添加下列内容
zone "zdj.com" IN {
   type master;
   file "zdj.com";
    allow-transfer{172.17.0.37;};
};
zone "0.17.172.in-addr.arpa" IN {
   type master;
   file "172.17.0.zone";
      allow-transfer {172.17.0.37;} ;
};

2.
[root@localhost named]# vim zdj.com            --------编辑以下内容---正向解析
$TTL 1D
@   IN SOA   ns1.zdj.com. root.zdj.com. (
                   0   ; serial
                   1D   ; refresh
                   1H   ; retry
                   1W   ; expire
                   3H )   ; minimum
@   NS   ns1.zdj.com.
@   NS   ns2.zdj.com.
ns1   A   172.17.0.142
ns2     A        172.17.0.37
www     A       172.17.0.123
www     A       172.17.0.122
www     A       172.17.0.124
web CNAME     www    ---------别名
*       A       172.17.0.252

3.
[root@localhost named]# vim 172.17.0.zone         --------编辑以下内容-----反向解析
$TTL 1D
@   IN SOA   ns1.zdj.com. root.zdj.com. (
                   0   ; serial
                   1D   ; refresh
                   1H   ; retry
                   1W   ; expire
                   3H )   ; minimum
@   NS   ns1.zdj.com.
@   NS   ns2.zdj.com.
142    PTR ns1.zdj.com.
37    PTR ns2.zdj.com.
123    PTR www.zdj.com.
124    PTR www.zdj.com.
122    PTR www.zdj.com.

4.
[root@localhost named]# cat /etc/resolv.conf ---------设置dns服务器设置为自己，测试用
; generated by /sbin/dhclient-script
#nameserver 8.8.8.8
nameserver 172.17.0.142
5.
[root@localhost named]# service named restart

从域名服务器：   ip：172.17.0.37
1.
[root@localhost slaves]#vim /var/named/chroot/etc/named.conf
options {
   listen-on port 53 { 172.17.0.37; };
   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     { any; };
   recursion yes;

#   dnssec-enable yes;
#   dnssec-validation yes;
#   dnssec-lookaside auto;

   /* Path to ISC DLV key */
#   bindkeys-file "/etc/named.iscdlv.key";
};

2.
[root@localhost slaves]#vim /var/named/chroot/etc/named.rfc1912.zones ------------添加以下内容

zone "zdj.com" IN {
   type slave;
         masters {172.17.0.142;};
   file "slaves/zdj.com";

};

zone "0.17.172.in-addr.arpa" IN {
   type slave;
         masters {172.17.0.142;};
   file "slaves/172.17.0.zone";

};

3.[root@localhost slaves]#service named restart

测试机
[root@zdj ~]# vim /etc/resolv.conf
; generated by /sbin/dhclient-script
#nameserver 59.51.78.211
#nameserver 222.246.129.81
nameserver 172.17.0.142
[root@zdj ~]# host www.zdj.com
www.zdj.com has address 172.17.0.123
www.zdj.com has address 172.17.0.124
www.zdj.com has address 172.17.0.122
[root@zdj ~]# host 172.17.0.122
122.0.17.172.in-addr.arpa domain name pointer www.zdj.com

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linux下dns主从服务器实现