Build a DNS server in Linux and a dns server in linux

Build a DNS server in Linux and a dns server in linux

Linux system information:

Version: Centos 6.6

Ip address: 10.0.0.104

Hostname: extmail.com

Vim/etc/sysconfig/network

 

Vim/etc/hosts

 

Vim/etc/resolv. conf

 

Yum install bind-libs bind-chroot bind-utils

 

Vim/etc/named. conf

 

// Add Vim/etc/named. rfc1912.zones

 

// Extmail.com. zone Vim/var/named/extmail.com. zone   $ TTL 1D @ In soa extmail.com. rname. invalid .( 0; serial 1D; refresh 1 H; retry 1 W; expire 3 H); minimum NS @ A 127.0.0.1 AAAA: 1 Mail in a 10.0.0.104 Smtp in a 10.0.0.104 Pop3 in a 10.0.0.104 // Zone.extmail.com Vim/var/named/zone.extmail.com $ TTL 1D @ In soa extmail.com. rname. invalid .( 0; serial 1D; refresh 1 H; retry 1 W; expire 3 H); minimum NS @ AAAA: 1 104 PTR mail.extmail.com.