Centos7 configure YUM to install the DNS Service

Source: Internet
Author: User
Tags dnssec

Centos7 configure YUM to install the DNS Service

1. Configure the DNS address

vim /etc/resolv .conf nameserver192.168.1.100 # Note: the address here is the address of your local DNS server.

2. Install dns

yum install bindbind-utils

3. Start the service

Start DNS Service: servicenamedstart Restart the DNS service: systemctlrestartnamed. service Set boot start: systemctl enable named

4. Edit the dns configuration file

vim /etc/named .conf options{ listen-onport53{any;}; listen-on-v6port53{::1;}; directory "/var/named" ; dump- file "/var/named/data/cache_dump.db" ; statistics- file "/var/named/data/named_stats.txt" ; memstatistics- file "/var/named/data/named_mem_stats.txt" ; allow-query{any;}; recursion yes ; dnssec- enable yes ; dnssec-validation yes ; bindkeys- file "/etc/named.iscdlv.key" ; managed-keys-directory "/var/named/dynamic" ; pid- file "/run/named/named.pid" ; session-keyfile "/run/named/session.key" ; }; logging{ channeldefault_debug{ file "data/named.run" ; severitydynamic; }; };

zone "." IN{ type hint; file "named.ca" ; }; # Add a demo.com Domain Name zone "demo.com" { type master; file "/var/named/demo.com" ; }; # Add a demo1.com Domain Name zone "demo1.com" { type master; file "/var/named/demo1.com" ; }; #include"/etc/named.rfc1912.zones"; #include"/etc/named.root.key"; #zone"testdongy.com"{ #typemaster; #file"/var/named/testdongy.com"; #};

# Copy the configuration above.

5. Configure DNS domain resolution files

vim /var/named/demo1 .com $TTL3H @INSOA@demo1.com.( 0;serial 1D;refresh 1H;retry 1W;expire 3H);minimum NS@ A127.0.0.1 AAAA::1 aINA192.168.2.171 bINA192.168.2.172 wwwINA192.168.2.171 devINA192.168.2.171

Restart the DNS server. The client only needs to specify the configured address for verification.

systemctlrestartnamed.service

6. below is my DNS configuration for win7 192.168.2.107

The specified DNS suffix for the connection: Description: RealtekPCIeGBEFamilyController. Physical address: B0-83-FE-83-A4-4B DHCP enabled: No IPv4 address: 192.168.2.102 IPv4 subnet mask: 255.255.255.0 IPv4 Default Gateway: 192.168.2.1 IPv4DNS server: 192.168.2.107, 223.5.5.5 IPv4WINS Server: NetBIOSoverTcpip enabled: Yes Connection-local IPv6 address: fe80: d25: 5b: dda3: f08d % 11 IPv6 Default Gateway: IPv6DNS Server:

7. Start verification

The result is as follows.

Microsoft Windows [version 6.1.7601]

Copyright (c) 2009 Microsoft Corporation. All rights reserved.

C:\Users\Administrator>nslookupwww.demo1.com Server: UnKnown Address:192.168.2.107 Name: www.demo1.com Address:192.168.2.171 C:\Users\Administrator>nslookupa.demo1.com Server: UnKnown Address:192.168.2.107 Name: a.demo1.com Address:192.168.2.171 C:\Users\Administrator>nslookupb.demo1.com Server: UnKnown Address:192.168.2.107 Name: B .demo1.com Address:192.168.2.172 Linux Server Verification [root@bogon~]#nslookupa.demo.com Server: 192.168.2.104 Address: 192.168.2.104#53 Name: a.demo.com Address:192.168.2.171 [root@bogon~]#nslookupa.demo.com Server: 192.168.2.104 Address: 192.168.2.104#53 Name: a.demo.com Address:192.168.2.171

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