Shulou(Shulou.com)06/02 Report--

192.168.80.102 main

192.168.80.103 from

Both master and slave must be closed

systemctl stop firewalld

setenforce 0

On the primary DNS: (192.168.80.102)

First sync time:

yum install ntp -y

yum install bind -y

vi /etc/ntp.conf

Add the following three lines at the specified locations

restrict 192.168.80.0 mask 255.255.255.0 nomodify notrap

server 127.127.1.0

fudge 127.127.1.0 stratum 8

-

start the service

service ntpd start

start automatically when the system

systemctl enable ntpd

-

On the slave domain name server: 192.168.80.103

yum install ntp -y

ntpdate 192.168.80.181 master server time with slave

Go to main service 80.102vi /etc/named.conf

#Forward and reverse parsing file storage directory, preceded by a backslash representative comment

Modify the following:

listen-on port 53 { any; };

allow-query { any; };

vi /etc/named.rfc1912.zones Add the following at the bottom zone "hello.com" IN { type master; file "hello.com.zone"; allow-update { 192.168.80.103; }; also-notify { 192.168.80.103; };};zone "80.168.192.in-addr.arpa" IN { type master; file "hello.com.local"; allow-update { 192.168.80.103; }; also-notify { 192.168.80.103; };};

cd /var/named/

cp -p named.localhost hello.com.zone

vi hello.com.zone

cd /var/named/cp -p named.localhost hello.com.zonevi hello.com.zone$TTL 1D@ IN SOA hello.com. 3040401509.qq.com ( 0 ; serial 1D ; refresh 1H ; retry 1W ; expire 3H ) ; minimum NS dns.hello.com.dns IN A 192.168.80.102www IN A 192.168.80.103ftp IN A 192.168.80.104

Region Resolution Library:

resource record rr

SOA: Initial authorization record, a zone file can have only one.

NS: Authorized zone (which DNS server is authorized).

MX: Mail exchanger, MX records have priority attributes 0-99, the lower the number the higher.

A: Convert FQDN to IP address.

PTR:IP to FQDN conversion.

AAAA：FQDN -- IPV6。

CNAME: Official name.

cp -p hello.com.zone hello.com.localvi hello.com.local$TTL 1D@ IN SOA hello.com. 3040401509.qq.com ( 0 ; serial 1D ; refresh 1H ; retry 1W ; expire 3H ) ; minimum NS dns.hello.com.102 IN PTR dns.hello.com.103 IN PTR www.hello.com.

systemctl start named //start dns service

netstat -anpt | grep named

80.103: yum install bind -yvi /etc/named.conf liste-on port 53 { any; };allow-query { any; };vi /etc/named.rfc1912.zones#Add zone "hello.com" IN { type slave; masters { 192.168.80.102; }; file "slaves/hello.com.zone";};zone "80.168.192.in-addr.arpa" IN { type slave; masters { 192.168.80.102; }; file "slaves/hello.com.local";};

systemctl start named #Start server

cd /var/named/slaves/cat hello.com.zone

There's some garbled code here.

Solution:

vi /etc/named.conf

masterfile-format text ;

systemctl restart named restart service

cat hello.com.zone

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