Postfix郵件服務 - DNS配置

DNS 域名系統服務器服務器

IP 與 域名之間解析 ;提供分層的域名解析 服務;
bing 伯克利加州大學 應用最廣的域名服務系統;spa

bind 主要分爲 主配置文件 和 域數據記錄文件code

yum 安裝:server

yum install bind* -y

配置NDS 域名解析
直接添加一下內容:blog

[root@mail ~]# cat /etc/named.conf zone "wangxiaojing.com" IN { type master; file "wangxiaojing.com.zone"; allow-update{none;}; }; zone "11.168.192.in-addr.arpa" IN { type master; file "11.168.192.local"; allow-update{none;}; };

正向解析 配置dns

[root@mail ~]# cat /var/named/wangxiaojing.com.zone 
$TTL 1D @ IN SOA @ dns.wangxiaojing.com. (
0 ; serial 1D ; refresh 1H ; retry 1W ; expire 3H ) ; minimum NS @ A 127.0.0.1 AAAA ::1 IN NS dns.wangxiaojing.com. IN MX 10 dns.wangxiaojing.com. dns IN A 172.16.2.18 mail IN CNAME dns pop3 IN CNAME dns smtp IN CNAME dns imap4 IN CNAME dns

配置反向解析qt

[root@mail ~]# cat /var/named/11.168.192.local $TTL 1D @ IN SOA @ dns.wangxiaojing.com. ( 0 ; serial 1D ; refresh 1H ; retry 1W ; expire 3H ) ; minimum NS @ A 127.0.0.1 AAAA ::1 IN NS dns.wangxiaojing.com. 18 IN PTR dns.wangxiaojing.com.

 

設置開機自啓動域名

chkconfig named on service named start

 

配置 /etc/resolv.conf
(重啓以後配置會失效)io

cat /etc/resolv.conf 

search wangxiaojing.com nameserver
172.16.2.18 nameserver 8.8.8.8 nameserver 8.8.4.4

 

檢測 NDS 解析:ast

[root@mail ~]# nslookup -qt=mx mail.wangxiaojing.com
*** Invalid option: qt=mx Server: 172.16.2.18 Address: 172.16.2.18#53 mail.wangxiaojing.com canonical name = dns.wangxiaojing.com. Name: dns.wangxiaojing.com Address: 172.16.2.18
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