Building Redundant DNS Servers

Basic Information

Client: Internet service provider

Number of end clients: 5000+

Country: Slovakia

Year of implementation: 2020

Reserved budget: 20,000 CZK

Technology: Debian, MikroTik


In 2020, we built authoritative DNS servers in redundancy for an internet service provider (ISP) based in Slovakia with over 5000 clients. The following tasks were involved:

  • Installation and configuration of master DNS server on Debian OS
  • Installation and configuration of DNS server on CentOS OS
  • Setting up and securing DNS servers
  • Master-slave replication
  • Creation of a simple manual/documentation

Projektový plán