diff --git a/src/SeoToolkit.Tests/SeoToolkit.Tests/RedirectTests.cs b/src/SeoToolkit.Tests/SeoToolkit.Tests/RedirectTests.cs
new file mode 100644
index 00000000..8c75629e
--- /dev/null
+++ b/src/SeoToolkit.Tests/SeoToolkit.Tests/RedirectTests.cs
@@ -0,0 +1,49 @@
+using Moq;
+using SeoToolkit.Umbraco.Redirects.Core.Interfaces;
+using SeoToolkit.Umbraco.Redirects.Core.Models.Business;
+using SeoToolkit.Umbraco.Redirects.Core.Services;
+using Umbraco.Cms.Core;
+using Umbraco.Cms.Core.PublishedCache;
+using Umbraco.Cms.Core.Routing;
+using Umbraco.Cms.Core.Web;
+
+namespace SeoToolkit.Tests
+{
+    [TestFixture]
+    public class RedirectTests
+    {
+        [Test]
+        public void TestRegexAllSitesRedirect()
+        {
+            // Arrange
+            var redirectId = 1;
+            var redirectRepository = new Mock<IRedirectsRepository>();
+            redirectRepository.Setup(it => it.GetAllRegexRedirects()).Returns(() => new Redirect[]
+            {
+                new Redirect { Domain = null, IsRegex = true, Id = redirectId, OldUrl = "^/test" }
+            });
+
+            var umbracoContextFactory = GetContextFactoryWithDomain();
+            var redirectService = new RedirectsService(redirectRepository.Object, umbracoContextFactory);
+
+            // Act
+            var redirect = redirectService.GetByUrl(new Uri("https://test.nl/test123"));
+
+            // Assert
+            Assert.IsNotNull(redirect);
+        }
+
+        private IUmbracoContextFactory GetContextFactoryWithDomain()
+        {
+            var umbracoContextFactory = new Mock<IUmbracoContextFactory>();
+            var umbracoContext = new Mock<IUmbracoContext>();
+            var domainCache = new Mock<IDomainCache>();
+
+            domainCache.Setup(it => it.GetAll(false)).Returns(Enumerable.Empty<Domain>);
+            umbracoContext.Setup(it => it.Domains).Returns(() => domainCache.Object);
+            umbracoContextFactory.Setup(it => it.EnsureUmbracoContext()).Returns(() => new UmbracoContextReference(umbracoContext.Object, true, Mock.Of<IUmbracoContextAccessor>()));
+
+            return umbracoContextFactory.Object;
+        }
+    }
+}
diff --git a/src/SeoToolkit.Tests/SeoToolkit.Tests/SeoToolkit.Tests.csproj b/src/SeoToolkit.Tests/SeoToolkit.Tests/SeoToolkit.Tests.csproj
new file mode 100644
index 00000000..855816ef
--- /dev/null
+++ b/src/SeoToolkit.Tests/SeoToolkit.Tests/SeoToolkit.Tests.csproj
@@ -0,0 +1,24 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net7.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+
+    <IsPackable>false</IsPackable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.3.2" />
+    <PackageReference Include="Moq" Version="4.20.69" />
+    <PackageReference Include="NUnit" Version="3.13.3" />
+    <PackageReference Include="NUnit3TestAdapter" Version="4.2.1" />
+    <PackageReference Include="NUnit.Analyzers" Version="3.3.0" />
+    <PackageReference Include="coverlet.collector" Version="3.1.2" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\SeoToolkit.Umbraco\SeoToolkit.Umbraco.csproj" />
+  </ItemGroup>
+
+</Project>
diff --git a/src/SeoToolkit.Tests/SeoToolkit.Tests/Usings.cs b/src/SeoToolkit.Tests/SeoToolkit.Tests/Usings.cs
new file mode 100644
index 00000000..cefced49
--- /dev/null
+++ b/src/SeoToolkit.Tests/SeoToolkit.Tests/Usings.cs
@@ -0,0 +1 @@
+global using NUnit.Framework;
\ No newline at end of file
diff --git a/src/SeoToolkit.Umbraco.Redirects.Core/Services/RedirectsService.cs b/src/SeoToolkit.Umbraco.Redirects.Core/Services/RedirectsService.cs
index 45cd5a6a..fc631eb6 100644
--- a/src/SeoToolkit.Umbraco.Redirects.Core/Services/RedirectsService.cs
+++ b/src/SeoToolkit.Umbraco.Redirects.Core/Services/RedirectsService.cs
@@ -151,8 +151,8 @@ it.Domain is null &&
 
                 var regexRedirects = _redirectsRepository.GetAllRegexRedirects().Where(it =>
                 {
-                    if (it.Domain?.Id == 0) return true;
-                    if (domain != null && it.Domain?.Id == domain.Id) return true;
+                    if (it.Domain == null) return true;
+                    if (domain != null && it.Domain.Id == domain.Id) return true;
                     if (domain is null &&
                         !string.IsNullOrWhiteSpace(it.CustomDomain) &&
                         (it.CustomDomain.Equals(customDomainWithoutScheme,
diff --git a/src/SeoToolkit.Umbraco.sln b/src/SeoToolkit.Umbraco.sln
index 86d06fb2..f0be71e8 100644
--- a/src/SeoToolkit.Umbraco.sln
+++ b/src/SeoToolkit.Umbraco.sln
@@ -45,9 +45,13 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SeoToolkit.Umbraco.Core", "
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Redirects", "Redirects", "{B0B49325-8248-4DB8-889D-211D9408D7A5}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SeoToolkit.Umbraco.Redirects", "SeoToolkit.Umbraco.Redirects\SeoToolkit.Umbraco.Redirects.csproj", "{7C9ABE0D-106C-48C0-B0CF-DBBCD8AF334E}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SeoToolkit.Umbraco.Redirects", "SeoToolkit.Umbraco.Redirects\SeoToolkit.Umbraco.Redirects.csproj", "{7C9ABE0D-106C-48C0-B0CF-DBBCD8AF334E}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SeoToolkit.Umbraco.Redirects.Core", "SeoToolkit.Umbraco.Redirects.Core\SeoToolkit.Umbraco.Redirects.Core.csproj", "{566D1DBF-EC21-405C-BB92-424C4A1C1B88}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SeoToolkit.Umbraco.Redirects.Core", "SeoToolkit.Umbraco.Redirects.Core\SeoToolkit.Umbraco.Redirects.Core.csproj", "{566D1DBF-EC21-405C-BB92-424C4A1C1B88}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Tests", "Tests", "{410B1EAC-B947-4E17-A53E-835CA5948B5A}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SeoToolkit.Tests", "SeoToolkit.Tests\SeoToolkit.Tests\SeoToolkit.Tests.csproj", "{A722B608-441C-40F2-962A-DD481E3FF849}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -123,6 +127,10 @@ Global
 		{566D1DBF-EC21-405C-BB92-424C4A1C1B88}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{566D1DBF-EC21-405C-BB92-424C4A1C1B88}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{566D1DBF-EC21-405C-BB92-424C4A1C1B88}.Release|Any CPU.Build.0 = Release|Any CPU
+		{A722B608-441C-40F2-962A-DD481E3FF849}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{A722B608-441C-40F2-962A-DD481E3FF849}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{A722B608-441C-40F2-962A-DD481E3FF849}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{A722B608-441C-40F2-962A-DD481E3FF849}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -140,6 +148,7 @@ Global
 		{5B460335-8786-4FA9-911B-AEC5A752B88C} = {5641B436-FCCB-4D1A-9D25-6A39B95031CB}
 		{7C9ABE0D-106C-48C0-B0CF-DBBCD8AF334E} = {B0B49325-8248-4DB8-889D-211D9408D7A5}
 		{566D1DBF-EC21-405C-BB92-424C4A1C1B88} = {B0B49325-8248-4DB8-889D-211D9408D7A5}
+		{A722B608-441C-40F2-962A-DD481E3FF849} = {410B1EAC-B947-4E17-A53E-835CA5948B5A}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {551ADBA5-3DFB-4300-929C-2BE0DB346636}