Administrations Technitium DNS Web UI Configuration for Primary-Secondary Name Servers Rumi, February 12, 2026 Over here I’m not going to explain how to do it, instead, sharing the screenshots of the 2 NS key features to be deployed as below- Beside the the video from this youtube channel is self explanatory and excellent!. He literally described it in too details- However, Required NS… Continue Reading
Technitium DNS with Primary-Slave Installation on Debian Rumi, February 12, 2026February 12, 2026 Architectural Overview ┌─────────────────────────────────────────────────────────────┐ │ PRIMARY (MASTER) DNS SERVER │ │ Host: ns1.pioneer.com.bd │ │ IP: 114.130.94.3 │ │ Role: Zone origin, accepts dynamic updates │ └─────────────────────────────────────────────────────────────┘ │ │ AXFR/IXFR Zone Transfer (TCP 53) │ TSIG-authenticated ▼ ┌─────────────────────────────────────────────────────────────┐ │ SECONDARY (SLAVE) DNS SERVER │ │ Host: ns2.pioneer.com.bd │ │ IP: 114.130.223.3… Continue Reading
Build an openDNS recursive resolver DNS using Bind Rumi, December 18, 2021August 9, 2023 It’s a small thing, but someone might feel it to be useful of running a public DNS like google has 8.8.8.8. You actually can build a recursive DNS and serve to the world (instead to your network user only! 🙂 ) Install Bind apt install bind9 bind9utils -y It’s pretty… Continue Reading
DNS Slave Using Virtualmin Rumi, July 19, 2019 DNS Slave Auto-Configuration Quickstart A quick guide to assist administrators who want to use Virtualmin’s automatic DNS slave configuration features. This allows for DNS server redundancy. Introduction Virtualmin can automatically manage any number of DNS slave servers for you. Once configured, it will create slave zones on other servers and… Continue Reading
Vesta- How to set up master-slave DNS cluster Rumi, January 28, 2019January 28, 2019 If you are looking for the options to avoid any DNS-related downtime or the way to manage dns across all server you have, you might consider to set up dns cluster. Create user dns-cluster on a server which will be used as dns slave On the second server (slave) with… Continue Reading
DNS Forwarder and Transfer using Bind and Webmin Rumi, June 29, 2018 To point your BIND based DNS server to use OpenDNS resolvers for external resolution you need to modify the named.conf.options and add the OpenDNS resolvers as forwarders. This can be done in two ways: via the command line, Shell\SSH via a GUI if you have Webmin installed on your BIND server Shell\SSH… Continue Reading
Test your DNS using Dig, Nmap, Tcpdump Rumi, March 3, 2018March 3, 2018 For DNS resolution to succeed to 192.168.0.1, the DNS server at 192.168.0.1 will need to accept TCP and UDP traffic over port 53 from our server. A port scanner such as the nmap tool can be used to confirm if the DNS server is available on port 53 as shown… Continue Reading