Configure DNS service in detail on Redhat9.0

Article Title: configure the DNS service in detail on Redhat9.0. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.
Prerequisites: The machine name is bak.5ilinux.com and the domain name is 5ilinux.com.
　　
　　 1. Install from the installation disk
　　
Rpm-ivh bind-9.2.2-21.i386.rpm
　　
2. Add a configuration file
　　
Vi/etc/named. conf
　　
# Named. conf-configuration for bind
# Generated automatically by redhat-config-bind, alchemist et al.
# Any changes not supported by redhat-config-bind shocould be put
# In/etc/named. custom
# Controls {inet 127.0.0.1 allow {localhost;} keys {rndckey ;};};
Include "/etc/rndc. key ";
Options {
Directory "/var/named /";
};
　　
Zone "."{
Type hint;
File "named. ca ";
};
　　
Zone "0.0.127.in-addr. arpa "{
Type master;
File "0.0.127.in-addr. arpa. zone ";
};
　　
Zone "localhost "{
Type master;
File "localhost. zone ";
};
　　
Zone "5ilinux.com "{
Type master;
File "5ilinux.com. zone ";
};
　　
Download named. ca
Wget ftp://ftp.rs.internic.net/domain/named.root
　　
After downloading, change the name to named. ca in the/var/named directory.
　　
Vi/var/named/localhost. zone
　　
$ TTL 86400 @ in soa @ root. localhost (
1; serial
28800; refresh
7200; retry
604800; expire
86400; ttl
)
In ns localhost.
@ In a 127.0.0.1
　　
Vi/var/named/0.0.127.in-addr. arpa. zone
　　
$ TTL 86400 @ in soa localhost. root. localhost (
2; serial
28800; refresh
7200; retry
604800; expire
86400; ttl
)
　　
@ In ns localhost.
　　
1 in ptr localhost.
1 in ptr bak.
　　
Vi/var/named/5ilinux.com. zone
　　
$ TTL 86400 @ in soa bak.wapya.com. root. localhost (
3; serial
28800; refresh
7200; retry
604800; expire
86400; ttl
)
　　
In ns bak.wapya.com.
　　
Www in a 210.51.0.124
Bak in a 210.51.0.124
Mail in cname www
Wap in a 210.51.0.122
5ilinux.com in mx 10 www
　　
　　
Okay, these configuration files. To facilitate future data query, write down the configuration process
/Etc/rc. d/iinit. d/named restart
　　
Restart the service.