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
Details
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