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DnsOverHttps

An async and lightweight C# library for Cloudflare's DNS over HTTPS.

Usage

This library provides an easy interface for interacting with Cloudflare's DNS over HTTPS endpoints.

DoH is a protocol that enhances the privacy and security of DNS queries by encrypting them using HTTPS. This helps prevent unauthorized access or tampering of DNS data during transmission. Learn more about it here.

To get started, import the library into your solution with either the NuGet Package Manager or the dotnet CLI.

dotnet add package DnsOverHttps

For the primary class to become available, import the used namespace.

using DnsOverHttps;

Need more examples? Under the Example directory you can find a working demo project that implements this library.

Properties

  • Built for .NET 8, .NET 7 and .NET 6
  • Fully async
  • Extensive XML documentation
  • No external dependencies (makes use of built-in HttpClient and JsonSerializer)
  • Custom exceptions (DnsOverHttpsException) for easy debugging
  • Example project to demonstrate all capabilities of the library

Features

  • Resolve one or all DNS records under a hostname
  • Ask for DNSSEC validation
  • Query in parallel
  • Specify advanced parameters

Code Samples

Initializing a new API client

DnsOverHttpsClient dns = new();

Resolving A DNS records including DNSSEC

Response response = await dns.Resolve("discord.com", ResourceRecordType.A, true, true);

Using helper methods to return the first or all answers

Answer? nsAnswer = await dns.ResolveFirst("example.com", ResourceRecordType.NS);
Answer[] aAnswers = await dns.ResolveAll("reddit.com", ResourceRecordType.A);

Resources

This is a community-ran library. Not affiliated with Cloudflare, Inc.

Icon made by Freepik at Flaticon.