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Install BIND9 DNS on ubuntu 20.04 server step by step

 Install BIND9 DNS on ubuntu 20.04 server steps 

1) lsb_release -a

2) vi /etc/hosts

127.0.0.1       localhost

192.168.32.50     dc.faceitnet.com.au dc

3) vi /etc/hostname

dc

4) vi /etc/cloud/cloud.cfg

preserve_hostname: true

5) reboot

6) vi /etc/resolv.conf

nameserver 192.168.32.50

nameserver 127.0.0.53

options edns0

search faceitnet.com.au

7) apt-get install bind9 bind9utils bind9-doc -y

cd /etc/bind/

cp named.conf.local named.conf.local.back

cp db.local db.fwd.faceitnet.com.au

cp db.local db.rev.faceitnet.com.au

mkdir /etc/bind/zones

mv db.fwd.faceitnet.com.au zones

mv db.rev.faceitnet.com.au zones

8) vi named.conf.local

Zone "faceitnet.com.au" IN {

Type master;

file "/etc/bind/zones/db.fwd.faceitnet.com.au";

allow-update {none;};

};

Zone "168.192.in-addr.arpa" IN {

type master;

file "/etc/bind/zones/db.rev.faceitnet.com.au";

allow-update {none;};

};

9) vi named.conf.options

acl "Trusted" {

        192.168.32.50;   # Name Server

};

options {

        directory "/var/cache/bind";

        // If there is a firewall between you and nameservers you want

        // to talk to, you may need to fix the firewall to allow multiple

        // ports to talk.  See http://www.kb.cert.org/vuls/id/800113

        // If your ISP provided one or more IP addresses for stable

        // nameservers, you probably want to use them as forwarders.

        // Uncomment the following block, and insert the addresses replacing

        // the all-0's placeholder.

        recursion yes;                  # enables resursive queries

        allow-recursion { Trusted; };  # allows recursive queries from "trusted" clients

        listen-on { 192.168.32.50; };    # ns1 private IP address - listen on private network only

        allow-transfer { none; };      # disable zone transfers by default

        forwarders {

                8.8.8.8;

                8.8.4.4;

        };

        // forwarders {

        //      0.0.0.0;

        // };

        //========================================================================

        // If BIND logs error messages about the root key being expired,

        // you will need to update your keys.  See https://www.isc.org/bind-keys

        //========================================================================

        dnssec-validation auto;

        auth-nxdomain no;    # conform to RFC1035

        listen-on-v6 { any; };

};                         

10) cd zones

 vi db.fwd.faceitnet.com.au

;

; BIND data file for local loopback interface

;

$TTL    604800

@       IN      SOA     dc.faceitnet.com.au. root.dc.faceitnet.com.au. (

                        6

                        604800

                        86400

                        2419200

                        604800 )

;

@       IN      NS      localhost.

@       IN      A       127.0.0.1

@       IN      AAAA    ::1

;Name Server Information

        IN      NS      dc.faceitnet.com.au.

;Name Server A records

dc.faceitnet.com.au.      IN      A       192.168.32.50

11) Now open reverse file db.rev.faceitnet.com.au

 vi db.rev.faceitnet.com.au

;

; BIND data file for local loopback interface

;

$TTL    604800

@       IN      SOA     dc.faceitnet.com.au. root.dc.faceitnet.com.au. (

                        5

                        604800

                        86400

                        2419200

                        604800 )

;

@       IN      NS      localhost.

@       IN      A       127.0.0.1

@       IN      AAAA    ::1

;Name Server Information

        IN      NS     dc.faceitnet.com.au.

;PTR records from ip last two part

32.50      IN      PTR    dc.faceitnet.com.au.

12) root@ns1:/etc/bind/zones# service bind9 restart

13) root@ns1:/etc/bind/zones# service bind9 status

root@ns1:/etc/bind/zones# named-checkzone 168.192.in-addr.arpa db.fwd.faceitnet.com.au

root@ns1:/etc/bind/zones# named-checkzone 168.192.in-addr.arpa db.rev.faceitnet.com.au

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