linux下如何搭建简单的DNS Server
环境：lenovo PC, SUSE Linux 11.1 32bit,BIND 9.5.0-P2安装步骤：
[*]采用yast自动安装。安装内容包括：bind，bind-chrootenv ，bind-devel，bind-libs，bind-utils
配置步骤：
[*]whereis named,找到bind的配置文件所在目录。如下在/etc/named.conf
pandora-test:~ # whereis named
named: /usr/sbin/named /etc/named.conf /etc/named.d /usr/share/man/man8/named.8.gz
[*]修改named.conf
2.1. 去掉注释并修改监听端口： listen-on port 53 { 172.16.39.86; };
2.2. 添加域名解析和反向解析配置：
zone "p.com" in {
type master;
file "p.com.zone";
};
zone "39.16.172.in-addr.arpa" in{
type master;
file "172.16.39.zone";
};
2.3 添加2.2中所指定的域名解析和反向解析的具体配置文件。如：p.com.zone,172.16.39.zone
在文件夹/var/lib/named下进行添加
p.com.zone文件内容如下：
$TTL 1000
@ IN SOA @ root (
42 ; serial (d. adams)
200S ; refresh
4H ; retry
1D ; expiry
100S ) ; minimum
@ IN NS 172.16.39.86;
@ IN A 172.16.39.86;
www A 172.16.39.86;
pboss A 172.16.39.86;
confluence A 172.16.39.86;
redis A 172.16.39.86;
mysql A 172.16.39.86;
svn A 172.16.8.159;
hudson A 172.16.8.159;
mvnrepo A 172.16.8.159;
jira A 172.16.8.159;
172.16.39.zone文件内容如下：
$TTL 1000
@ IN SOA localhost. root.localhost. (
42 ; serial (d. adams)
200 ; refresh
400 ; retry
6000 ; expiry
1000 ) ; minimum
IN NS localhost.
86 IN PTR www.p.com.
验证步骤：
1. 启动dns server 服务：service named start
2. 修改本地dns的配置，将首选dns的地址配置为运行dns server的服务器地址
3. 运行命令：nslookup www.p.com
返回结果如下：
服务器: www.p.com
Address: 172.16.39.86
名称: www.p.com
Address: 172.16.39.86
如果返回内容为：** server can't find ww.p.com: NXDOMAIN
则表示dns server配置有误，需检查相关配置
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