diff --git a/ACMESharp/ACMESharp.Providers.DuckDNS/ACMESharp.Providers.DuckDNS.csproj b/ACMESharp/ACMESharp.Providers.DuckDNS/ACMESharp.Providers.DuckDNS.csproj
new file mode 100644
index 00000000..aee14375
--- /dev/null
+++ b/ACMESharp/ACMESharp.Providers.DuckDNS/ACMESharp.Providers.DuckDNS.csproj
@@ -0,0 +1,67 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{9B6C05E7-A570-406D-8FFD-BF8AE5337AA1}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>ACMESharp.Providers.DuckDNS</RootNamespace>
+    <AssemblyName>ACMESharp.Providers.DuckDNS</AssemblyName>
+    <TargetFrameworkVersion>v4.6.1</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\$(Configuration)\ACMESharp.Providers.DuckDNS\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\$(Configuration)\ACMESharp.Providers.DuckDNS\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+    <Reference Include="System.ComponentModel.Composition" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="Microsoft.CSharp" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Net.Http" />
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="..\shared\SharedAssemblyVersionInfo.cs">
+      <Link>Properties\SharedAssemblyVersionInfo.cs</Link>
+    </Compile>
+    <Compile Include="..\shared\SharedGlobalSuppressions.cs">
+      <Link>Properties\SharedGlobalSuppressions.cs</Link>
+    </Compile>
+    <Compile Include="DuckDnsChallengeHandler.cs" />
+    <Compile Include="DuckDnsChallengeHandlerProvider.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\ACMESharp\ACMESharp.csproj">
+      <Project>{d551234b-0a8d-4dee-8178-a81998df0edb}</Project>
+      <Name>ACMESharp</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="ACMESharp.Providers.DuckDNS.psd1">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+    <None Include="packages.config" />
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+</Project>
\ No newline at end of file
diff --git a/ACMESharp/ACMESharp.Providers.DuckDNS/ACMESharp.Providers.DuckDNS.nuspec b/ACMESharp/ACMESharp.Providers.DuckDNS/ACMESharp.Providers.DuckDNS.nuspec
new file mode 100644
index 00000000..53c4cb47
--- /dev/null
+++ b/ACMESharp/ACMESharp.Providers.DuckDNS/ACMESharp.Providers.DuckDNS.nuspec
@@ -0,0 +1,23 @@
+<?xml version="1.0"?>
+<!-- See reference at:  http://docs.nuget.org/Create/NuSpec-Reference -->
+<package >
+  <metadata>
+    <id>$id$</id>
+    <version>$version$.$buildNum$$versionLabel$</version>
+    <title>$title$</title>
+    <authors>https://github.com/ebekker</authors>
+    <owners>https://github.com/ebekker</owners>
+    <licenseUrl>https://raw.githubusercontent.com/ebekker/ACMESharp/master/LICENSE</licenseUrl>
+    <projectUrl>https://github.com/ebekker/ACMESharp</projectUrl>
+    <iconUrl>https://cdn.rawgit.com/ebekker/ACMESharp/49bf6524da8239ecf258ab3857dfbbf40366ecfd/artwork/ACMESharp-logo-square64.png</iconUrl>
+    <requireLicenseAcceptance>false</requireLicenseAcceptance>
+    <description>$description$</description>
+    <releaseNotes>Early-access release of ACMESharp Provider Lib for Duck DNS.</releaseNotes>
+    <copyright>Copyright &#169; 2019 Philipp Nanz</copyright>
+    <tags>pki ssl tls security certificates letsencrypt acme acmesharp duckdns</tags>
+
+    <dependencies>
+      <dependency id="ACMESharp" version="0.9.0.0" />
+    </dependencies>
+   </metadata>
+</package>
diff --git a/ACMESharp/ACMESharp.Providers.DuckDNS/ACMESharp.Providers.DuckDNS.psd1 b/ACMESharp/ACMESharp.Providers.DuckDNS/ACMESharp.Providers.DuckDNS.psd1
new file mode 100644
index 00000000..d2d34e23
--- /dev/null
+++ b/ACMESharp/ACMESharp.Providers.DuckDNS/ACMESharp.Providers.DuckDNS.psd1
@@ -0,0 +1,112 @@
+
+## For a reference of this file's elements, see:
+##    https://technet.microsoft.com/library/hh849709.aspx
+##    https://technet.microsoft.com/en-us/library/dd878297(v=vs.85).aspx
+
+## 64-bit:
+##    %SystemRoot%\system32\WindowsPowerShell\v1.0\powershell.exe
+## 32-bit:
+##    %SystemRoot%\syswow64\WindowsPowerShell\v1.0\powershell.exe
+
+@{
+	## This is a manifest-only module so we don't define any root
+	#RootModule = ''
+
+	ModuleVersion = '0.9.2'
+	GUID = '9ea5edb1-319e-4f9d-a538-aec3567a410d'
+	
+	Author = 'https://github.com/ebekker'
+
+	CompanyName = 'https://github.com/ebekker/ACMESharp'
+
+	Copyright = '(c) 2019 Philipp Nanz. All rights reserved.'	
+
+	Description = "Duck DNS Provider extension library for ACMESharp Client."
+
+	# Default prefix for commands exported from this module. Override the default prefix using Import-Module -Prefix.
+	DefaultCommandPrefix = 'ACME'
+
+	## Minimum version of the Windows PowerShell engine required by this module
+	## This does not appear to be enforce for versions > 2.0 as per
+	##    https://technet.microsoft.com/en-us/library/dd878297(v=vs.85).aspx
+	PowerShellVersion = '3.0'
+
+	DotNetFrameworkVersion = '4.5'
+
+	# Private data to pass to the module specified in RootModule/ModuleToProcess. This may also contain a PSData hashtable with additional module metadata used by PowerShell.
+	PrivateData = @{
+
+		PSData = @{
+
+			# Tags applied to this module. These help with module discovery in online galleries.
+			Tags = @('pki','ssl','tls','security','certificates','letsencrypt','acme','powershell','acmesharp','duckdns','acmesharp_ext')
+
+			# A URL to the license for this module.
+			LicenseUri = 'https://raw.githubusercontent.com/ebekker/ACMESharp/master/LICENSE'
+
+			# A URL to the main website for this project.
+			ProjectUri = 'https://github.com/ebekker/ACMESharp'
+
+			# A URL to an icon representing this module.
+			IconUri = 'https://cdn.rawgit.com/ebekker/ACMESharp/master/artwork/ACMESharp-logo-square64.png'
+
+			# ReleaseNotes of this module
+			ReleaseNotes = 'Please see the release notes from the release distribution page: https://github.com/ebekker/ACMESharp/releases'
+
+		} # End of PSData hashtable
+
+	} # End of PrivateData hashtable
+
+	# Modules that must be imported into the global environment prior to importing this module
+	RequiredModules = @(  ## FYI -- If one module uses the Hashtable spec, they all have to
+
+		## The minimum version of ACMESharp that supports our form of a Provider
+		## extension as a dynamically installed and *enabled* POSH Extension Module
+		, @{ModuleName="ACMESharp";ModuleVersion="0.9.0"}
+	)
+
+
+	############################################################
+	## Unused manifest elements reserved for possible future use
+	############################################################
+
+	# HelpInfo URI of this module for updateable help
+	# HelpInfoURI = ''
+
+	# Assemblies that must be loaded prior to importing this module
+	# RequiredAssemblies = @()
+
+	# Script files (.ps1) that are run in the caller's environment prior to importing this module.
+	# ScriptsToProcess = @()
+
+	# Type files (.ps1xml) to be loaded when importing this module
+	# TypesToProcess = @()
+
+	# Format files (.ps1xml) to be loaded when importing this module
+	# FormatsToProcess = @()
+
+	# Modules to import as nested modules of the module specified in RootModule/ModuleToProcess
+	# NestedModules = @()
+
+	# Functions to export from this module
+	# FunctionsToExport = '*'
+
+	# Cmdlets to export from this module
+	# CmdletsToExport = '*'
+
+	# Variables to export from this module
+	# VariablesToExport = '*'
+
+	# Aliases to export from this module
+	# AliasesToExport = '*'
+
+	# DSC resources to export from this module
+	# DscResourcesToExport = @()
+
+	# List of all modules packaged with this module
+	# ModuleList = @()
+
+	# List of all files packaged with this module
+	# FileList = @()
+
+}
diff --git a/ACMESharp/ACMESharp.Providers.DuckDNS/DuckDnsChallengeHandler.cs b/ACMESharp/ACMESharp.Providers.DuckDNS/DuckDnsChallengeHandler.cs
new file mode 100644
index 00000000..2d1de935
--- /dev/null
+++ b/ACMESharp/ACMESharp.Providers.DuckDNS/DuckDnsChallengeHandler.cs
@@ -0,0 +1,65 @@
+using ACMESharp.ACME;
+using System;
+using System.Net;
+
+namespace ACMESharp.Providers.DuckDNS
+{
+    public class DuckDnsChallengeHandler : IChallengeHandler
+    {
+        public string Token { get; set; }
+
+        public bool IsDisposed
+        {
+            get; private set;
+        }
+
+        public void CleanUp(ChallengeHandlingContext ctx)
+        {
+            var dnsChallenge = (DnsChallenge)ctx.Challenge;
+            var domain = GetDomainId(dnsChallenge);
+
+            var wr = CreateRequest(Token, domain, "");
+            using (var response = wr.GetResponse())
+            { }
+        }
+
+        private void AssertNotDisposed()
+        {
+            if (IsDisposed)
+                throw new InvalidOperationException("handler is disposed");
+        }
+
+        public void Dispose()
+        {
+            IsDisposed = true;
+        }
+
+        public void Handle(ChallengeHandlingContext ctx)
+        {
+            AssertNotDisposed();
+            var dnsChallenge = (DnsChallenge)ctx.Challenge;
+            var domain = GetDomainId(dnsChallenge);
+
+            var wr = CreateRequest(Token, domain, dnsChallenge.RecordValue);
+            using (var response = wr.GetResponse())
+            { }
+        }
+
+        string GetDomainId(DnsChallenge dnsChallenge)
+        {
+            var segments = dnsChallenge.RecordName.Split('.');
+            return segments[1];
+        }
+
+        WebRequest CreateRequest(string token, string domain, string text)
+        {
+            var url = "https://www.duckdns.org/update?token=" + token + "&domains=" + domain + "&txt=" + text;
+            if (String.IsNullOrEmpty(text))
+            {
+                url += "&clear=true";
+            }
+            Console.WriteLine("Executing web request: " + url);
+            return WebRequest.Create(url);
+        }
+    }
+}
diff --git a/ACMESharp/ACMESharp.Providers.DuckDNS/DuckDnsChallengeHandlerProvider.cs b/ACMESharp/ACMESharp.Providers.DuckDNS/DuckDnsChallengeHandlerProvider.cs
new file mode 100644
index 00000000..8330faeb
--- /dev/null
+++ b/ACMESharp/ACMESharp.Providers.DuckDNS/DuckDnsChallengeHandlerProvider.cs
@@ -0,0 +1,55 @@
+using ACMESharp.ACME;
+using ACMESharp.Ext;
+using System.Collections.Generic;
+
+namespace ACMESharp.Providers.DuckDNS
+{
+    /// <summary>
+    /// Provider for a Challenge Handler that updates the TXT records on a
+    /// Duck DNS account.
+    /// </summary>
+    [ChallengeHandlerProvider("duckdns",
+        ChallengeTypeKind.DNS,
+        Label = "Duck DNS Provider",
+        Description = "A Duck DNS provider for handling Challenges." +
+                      " This provider supports the DNS" +
+                      " Challenge type and computes all the necessary" +
+                      " response values.")]
+    public class DuckDnsChallengeHandlerProvider : IChallengeHandlerProvider
+    {
+        public static readonly ParameterDetail TOKEN = new ParameterDetail(
+                nameof(DuckDnsChallengeHandler.Token),
+                ParameterType.TEXT, isRequired: true, label: "Token",
+                desc: "The Token for your Duck DNS account");
+
+        private static readonly ParameterDetail[] PARAMS =
+        {
+            TOKEN
+        };
+
+        public IEnumerable<ParameterDetail> DescribeParameters()
+        {
+            return PARAMS;
+        }
+
+        public bool IsSupported(Challenge c)
+        {
+            return c is DnsChallenge;
+        }
+
+        public IChallengeHandler GetHandler(Challenge c, IReadOnlyDictionary<string, object> initParams)
+        {
+            if (initParams == null)
+                initParams = new Dictionary<string, object>();
+
+            if (!initParams.ContainsKey(TOKEN.Name))
+                throw new KeyNotFoundException($"missing required parameter [{TOKEN.Name}]");
+
+            var h = new DuckDnsChallengeHandler();
+
+            h.Token = (string)initParams[TOKEN.Name];
+
+            return h;
+        }
+    }
+}
diff --git a/ACMESharp/ACMESharp.Providers.DuckDNS/Properties/AssemblyInfo.cs b/ACMESharp/ACMESharp.Providers.DuckDNS/Properties/AssemblyInfo.cs
new file mode 100644
index 00000000..51dd355e
--- /dev/null
+++ b/ACMESharp/ACMESharp.Providers.DuckDNS/Properties/AssemblyInfo.cs
@@ -0,0 +1,22 @@
+using System.Reflection;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("ACMESharp Duck DNS Provider")]
+[assembly: AssemblyDescription("Duck DNS Provider extension for ACMESharp")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("github.com/ebekker/ACMESharp")]
+[assembly: AssemblyProduct("ACMESharp.Providers.DuckDNS")]
+[assembly: AssemblyCopyright("Copyright © 2019 Philipp Nanz. All rights reserved.")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible
+// to COM components.  If you need to access a type in this assembly from
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("bc6d303a-71fb-4cc7-8d30-3c3b09f9c92a")]
diff --git a/ACMESharp/ACMESharp.Providers.DuckDNS/packages.config b/ACMESharp/ACMESharp.Providers.DuckDNS/packages.config
new file mode 100644
index 00000000..6b8deb9c
--- /dev/null
+++ b/ACMESharp/ACMESharp.Providers.DuckDNS/packages.config
@@ -0,0 +1,3 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+</packages>
\ No newline at end of file
diff --git a/ACMESharp/ACMESharp.sln b/ACMESharp/ACMESharp.sln
index 1e6c551d..d6251cb4 100644
--- a/ACMESharp/ACMESharp.sln
+++ b/ACMESharp/ACMESharp.sln
@@ -78,6 +78,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ACMESharp.PKI.Providers.Ope
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ACMESharp.Providers.DNSMadeEasy", "ACMESharp.Providers.DNSMadeEasy\ACMESharp.Providers.DNSMadeEasy.csproj", "{BC6D303A-71FB-4CC7-8D30-3C3B09F9C92A}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ACMESharp.Providers.DuckDNS", "ACMESharp.Providers.DuckDNS\ACMESharp.Providers.DuckDNS.csproj", "{9B6C05E7-A570-406D-8FFD-BF8AE5337AA1}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -156,6 +158,10 @@ Global
 		{BC6D303A-71FB-4CC7-8D30-3C3B09F9C92A}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{BC6D303A-71FB-4CC7-8D30-3C3B09F9C92A}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{BC6D303A-71FB-4CC7-8D30-3C3B09F9C92A}.Release|Any CPU.Build.0 = Release|Any CPU
+		{9B6C05E7-A570-406D-8FFD-BF8AE5337AA1}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{9B6C05E7-A570-406D-8FFD-BF8AE5337AA1}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{9B6C05E7-A570-406D-8FFD-BF8AE5337AA1}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{9B6C05E7-A570-406D-8FFD-BF8AE5337AA1}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE