DNS快速配置守则

DNS域名服务器 安装包： bind bind-chroot caching-nameserver 启动服务 service named restart 端口 53 配置文件: /var/named/chroot/etc/named.caching-nameserver.conf(访问控制) /var/named/chroot/etc/named.rfc1912.zones(定义域名) /var/named/chroot/var/named/ (域名解析) 正向解析 1.vim /etc/named.caching-nameserver.conf listen-on port 53 { any; }; allow-query { any; }; allow-query-cache { any; }; match-clients { any; }; match-destinations { any; }; 2.vim /etc/named.rfc1912.zones zone "uplooking.com" IN { type master; file "uplooking.com.zone"; }; 3.touch /var/named/chroot/var/named/uplooking.com.zone chown :named /var/named/chroot/var/named/uplooking.com.zone chmod 640 /var/named/chroot/var/named/uplooking.com.zone $TTL 86400 @ IN SOA dns.uplooking.com. root ( 20120903 3H 15M 1W 1D ) IN NS dns.uplooking.com. dns IN A 192.168.119.254 www IN A 192.168.119.254 ftp IN A 192.168.119.254 IN MX 5 mail.uplooking.com. mail IN A 192.168.119.254 (邮件交换记录) www IN A 192.168.119.254 www IN A 192.168.119.253 www IN A 192.168.119.252 （负载均衡） $GENERATE 1-254 stu$ IN A 192.168.119.$ web.uplooking.com. IN CNAME www.uplooking.com.（别名） 4.指定 dns vim /etc/resolv.conf nameserver 192.168.119.254 5.service named restart 测试 host www.uplooking.com nslookup www.uplooking.com 反向解析 1.vim /etc/named.rfc1912.zones zone "119.168.192.in-addr.arpa" IN { type master; file "up.com.zone"; }; 2.touch /var/named/chroot/var/named/up.com.zone chown :named /var/named/chroot/var/named/up.com.zone chmod 640 /var/named/chroot/var/named/up.com.zone $TTL 86400 @ IN SOA dns.up.com. root ( 123345 3H 15M 1W 1D ) IN NS dns.up.com. 254 IN PTR dns.up.com. 254 IN PTR www.up.com. 主从服务器 主 1.vim /etc/named.rfc1912.zones zone "youku.com" IN { type master; file "youku.com.zone"; allow-transfer { 192.168.119.222; }; }; 2.vim youku.com.zone $TTL 86400 @ IN SOA dns.youku.com. root ( 20120903 3H 15M 1W 1D ) IN NS dns1.youku.com. IN NS dns2.youku.com. dns1 IN A 192.168.119.254 dns2 IN A 192.168.119.222 www IN A 192.168.119.254 从 1.安装包 2.vim /etc/named.caching-nameserver.conf listen-on port 53 { any; }; allow-query { any; }; allow-query-cache { any; }; match-clients { any; }; match-destinations { any; }; 3.vim /etc/named.rfc1912.zones zone "youku.com" IN { type slave; file "slaves/youku.com.zone"; masters { 192.168.119.254; }; }; 4. 重启服务 service named restart 5.ls /var/named/chroot/var/named/slaves/ youku.com.zone