Configure BIND DNS Server using Webmin on Debian 11

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Welcome to out tutorial on how to configure Bind DNS server using Webmin on Debian 11. Webmin is a web-based control panel that allows system administrators to administer system administration tasks from web user interface.

You can follow the link below to install Webmin on Debian 11.

Install Webmin on Debian 11

Configuring BIND DNS Server using Webmin on Debian

Login to Webmin as Administrative User

All the installations and configurations will be run as root in this guide. Therefore, login as a root user or a user with sudo rights.

webmin login ui

Run System Update

Launch the terminal by pressing Alt+k. Next, run system package update command.

apt update -y

Close the terminal once the update is done.

Install Bind DNS Server Module on Debian 11

Install Bind DNS server module by navigating to Dashboard > Un-used Modules BIND DNS Server > Install Now. This will start to build Bind package and required dependencies for installation.

Once successfully build, click Install Now to install the Bind packages and all required dependencies.

install bind progress

Configuring BIND DNS Server Using Webmin

Once the installation is complete, click Return to BIND DNS Server below the screen to go back to BIND DNS Server configuration interface.

bind dns server

Configure Access Control List

To begin with, create an access control list for your DNS server.

ACLs allows you to specify the IP addresses or networks to deny or allow to query the DNS server.

To create the ACL:

  • Click Access Control Lists, as higlighted in the screenshot above.
  • Set the name of the ACL
  • Add the IP addresses or the networks to allow to query your DNS server.
bind dns acls

For example, we created an ACL called allowed to define the networks (192.168.[57-60].0/24) of the hosts allowed to query our DNS server.

Click Save and Return to zone list.

Define global server configuration options

Next, you need to configure BIND global configuration options.

The options statement is used to set up global options to be used by BIND such as:

  • define the hosts that are allowed to ask ordinary DNS questions
  • specify the location of the named working directory
  • the types of queries allowed
  • specify which hosts are allowed to make recursive queries through the DNS server

These configurations can be made on the /etc/bind/named.conf.options configuration file.

From BIND DNS Server interface:

  • Click Edit Config File. By default, you will see the /etc/bind/named.conf configuration file selected.
  • Click on the drop down menu and select the /etc/bind/named.conf.options configuration file.
  • Make the changes on the file as per your environment setup. Here is our sample configuration file;
options {
	directory "/var/cache/bind";
    recursion yes;
    allow-recursion { localhost; allowed; };
    listen-on port 53 { localhost;; };
    allow-query { localhost; allowed; };
    allow-transfer { none; };

	forwarders {;

	dnssec-validation auto;
    auth-nxdomain no;
	listen-on-v6 { none; };
  • Also see screenshot below;
bind named options

Click Save and close to return to zone list.

Some of the configuration options used above are;

  • recursion – Specifies whether to act as a recursive server.
  • allow-recursion – Defines hosts to allow recursive queries from.
  • listen-on – Specifies the IPv4 network interface on which to listen for queries.
  • allow-query – Specifies which hosts are allowed to query the nameserver for authoritative resource records.
  • allow-transfer – Specifies which secondary servers are allowed to request a transfer of the zone’s information. 
  • forwarders – Defines one or more IP addresses of name servers to query.
  • dnssec-validation – Specifies whether to prove that resource records are authentic through DNSSEC. The default option is yes.
  • auth-nxdomain – defines whether the server should answer authoritatively.
  • listen-on-v6 – Specifies the IPv6 network interface on which to listen for queries.

Validate the Configuration Options

Next, you need to validate the configuration options made in the file above by clicking on Check BIND Config under the Bind DNS server global server options.

If there is no syntax error with the configuration file, you will see such a message as:

No errors were found in the BIND configuration file /etc/bind/named.conf or referenced zone files.

Click Return to zone list.

Create BIND DNS Server Master Zone Statements

Next, you need to create the master forward and reverse zone statements.

Click Create master zone on the BIND DNS server interface.

master zone

This will open up a wizard where you can define the zone statement details.

To begin with;

  • Select the Zone type, Forward: Names to Addresses to create the forward zone statement.
  • Enter the Domain name
  • Automatic Records file
  • Master DNS server FQDN, Add NS record
  • Email address. Note, the @ in the email address will be converted to dot (.) in SOA records.
  • Use zone template, we choose No.
  • Add reverses fro template addresses
  • Refresh time, Transfer retry time, Expiry time, cache time.
master forward zone
  • Click Create to create the master forward zone statement.
  • Click Return to zone list

Next, create reverse zone statement by  > Create master zone. This time round, select Reverse: Addresses to Names.

Note how the IP address is set.

master reverse zone

Click Create to create the master reverse zone statement.

Next, click Return to Zone list.

If you have other Networks, ensure you create the reverse records for those networks. In this example, we have other networks,,

master zones

Setup the DNS A Records

Under existing DNS Zones, click your master forward zone, see example highlighted.

create a records

Click Addresses.

To begin with, set the A record for your DNS server.

Click Create to set the DNS server address A record.

Next, you can add more addresses for other hosts.

  • Name, without the domain part
  • IP address
  • Update reverse records
  • Click Create.
add a records

Once done, click Return to records type.

Create Name Server (NS) Records

Click Name Server on Master zone configuration page.

If the name server record is not already set:

  • for the zone name, enter the your domain for example,
  • for Name Server enter the FQDN of the DNS server, e.g
ns records

Click Create to add the name server records. Once done, click Return to zone list

You should now have master zones set (forward and reverse zones) with each having defined A records and PTR records respectively.

Verify Zone Configuration Syntax

To check the validity of the zone configuration, click on Check BIND config.

Running BIND

Click on the refresh button to apply the configurations.

Next, restart BIND on the web interface, stop and start it by clicking the stop and play buttons on the top right corner of the interface. See the highlighted section in the screenshot below.

apply configs

If UFW is running, simply open the terminal (Alt+k) and run the command below to allow BIND.

ufw allow Bind9

Verify if BIND is Working

To check if our DNS is working;

Try to resolve the DNS server hostnames using dig command.

dig @

; <<>> DiG 9.16.1-Ubuntu <<>> @
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 715
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

; EDNS: version: 0, flags:; udp: 1232
; COOKIE: 4d8110c8fc7ed2cd01000000618774210bd99733b3045675 (good)
;		IN	A


;; Query time: 0 msec
;; WHEN: Sun Nov 07 09:37:22 EAT 2021
;; MSG SIZE  rcvd: 95

dig @ +short

Perform Reverse Lookup (PTR Records)

dig -x @

; <<>> DiG 9.16.1-Ubuntu <<>> -x @
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 46718
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

; EDNS: version: 0, flags:; udp: 1232
; COOKIE: c6927d40a2a20bb001000000618774c74e25a3ed4b260fbe (good)


;; Query time: 0 msec
;; WHEN: Sun Nov 07 09:40:08 EAT 2021
;; MSG SIZE  rcvd: 119

using nslookup command;


nslookup	name =

Using host command;

Using domain server:
Aliases: has address

Reverse Lookup of DNS Server hostname.

Using domain server:
Aliases: domain name pointer

Well, there you go. You have learnt how to Setup Bind DNS Using Webmin on Debian 11.

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