linux查看服务器是master,master

# master(主服务器模式)

## Server：192.168.1.211

```

yum -y install bind [bind-utils bind-libs]

vim /etc/named.conf

listen-on port 53 { any; };

allow-query { any; };

.......

dnssec-enable no;

dnssec-validation no;

dnssec-lookaside no;

.......

zone "example.com" IN {

type master;

file "example.com";

};

zone "1.168.192.in-addr.arpa" IN {

type master;

file "1.168.192.zone";

};

cd /var/named

cp named.localhost example.com

cp named.loopback 1.168.192.zone

chgrp named example.com 1.168.192.zone

vim example.com

$TTL 1D

@ IN SOA dns.example.com. root.example.com. (

0 ; serial

1D ; refresh

1H ; retry

1W ; expire

3H ) ; minimum

@ IN NS dns.example.com.

dns IN A 192.168.1.211

@ IN MX 5 mail.example.com.

mail IN A 192.168.1.211

www IN A 192.168.1.211

ftp IN CNAME www

vim 1.168.192.zone

$TTL 1D

1.168.192.addr-in.arpa. IN SOA dns.example.com. root.example.com. (

0 ; serial

1D ; refresh

1H ; retry

1W ; expire

3H ) ; minimum

@ IN NS dns.example.com.

211 IN PTR dns.example.com.

@ IN MX 5 mail.example.com.

211 IN PTR mail.example.com.

211 IN PTR www.example.com.

firewall-cmd --permanent --add-service=dns

firewall-cmd --reload

systemctl start named.service

```

## Desktop：192.168.1.210

```

vim /etc/resolv.conf

nameserver 192.168.1.211

nslookup

>www.wdoe.com

>192.168.1.211

>set type=mx|ns|soa

>example.com

>exit

dig www.example.com

dig -x 192.168.1.211

dig -t mx|ns|soa example.com

host www.example.com

host 192.168.1.211

host -t mx|ns|soa example.com

```