---
title: "Create a Golang DNS Resolver: Step-by-Step Guide"
url: https://daily.dev/posts/create-a-golang-dns-resolver-step-by-step-guide-xly21e7vf
source_url: https://harshagarwal29.hashnode.dev/building-a-dns-resolver-in-golang-a-step-by-step-guide
type: article
source: "Community Picks"
published: 2024-08-03T07:45:17.180Z
updated: 2024-11-17T02:12:40.492Z
tags: ["dns", "golang", "networking"]
reading_time: 16
upvotes: 55
comments: 2
language: en
---

> ## Documentation Index
> Fetch the complete documentation index at: https://daily.dev/llms.txt
> Use this file to discover all available pages before exploring further.

# Create a Golang DNS Resolver: Step-by-Step Guide

**[Community Picks](https://daily.dev/sources/community)** · 16 min read · 55 upvotes · 2 comments

## Summary

This post walks readers through the process of building a DNS Resolver in Golang, from understanding DNS messages and choosing the appropriate language to implementing caching with SQLite. It starts with the basics of DNS and the reasons for choosing Golang, followed by detailed code examples of struct definitions, message conversion, network communication, and response parsing. An additional caching layer is demonstrated using SQLite for efficiency. The author concludes by reflecting on the learning experience and inviting contributions to the project.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://harshagarwal29.hashnode.dev/building-a-dns-resolver-in-golang-a-step-by-step-guide>

## Community discussion

Top comments from developers on daily.dev.

**@andrija\_dev** · 1 upvotes

> Well written and easy to follow. Thanks!

**@andrija\_dev** · 1 upvotes

> I learned so much from this post!

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---

Tags: [#dns](https://daily.dev/tags/dns), [#golang](https://daily.dev/tags/golang), [#networking](https://daily.dev/tags/networking)

[View this post on daily.dev](https://daily.dev/posts/create-a-golang-dns-resolver-step-by-step-guide-xly21e7vf)
