DNS Server in C++ Part 1: Getting to know DNS and setting up boilerplate @itsfzt
DNS Server in C++ Part 1: Getting to know DNS and setting up boilerplate @itsfzt
Uploaded December 2025 | Updated September 2026, 3 hours ago
In this video, we build a DNS Server in C++ from scratch using Socket Programming. We cover how UDP packets work, how to parse DNS headers, and the fundamentals of Systems Programming.

Few things I'd suggest reading:
Bind File: internic.net/domain/named.root
Root Servers: root-servers.org

RFCs:
- RFC 1034: Domain Names - Concepts and Facilities
- RFC 1035: Domain Names - Implementation and Specification
- RFC 2181: Clarifications to the DNS Specification

Inspiration and Learning: github.com/EmilHernvall/dnsguide
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DNS Server in C++ Part 1: Getting to know DNS and setting up boilerplate

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