diff --git a/pkgs/by-name/dn/dnsvalidator/package.nix b/pkgs/by-name/dn/dnsvalidator/package.nix
new file mode 100644
index 000000000000..34077e9f1d26
--- /dev/null
+++ b/pkgs/by-name/dn/dnsvalidator/package.nix
@@ -0,0 +1,48 @@
+{
+  lib,
+  python3,
+  fetchFromGitHub,
+}:
+
+python3.pkgs.buildPythonApplication rec {
+  pname = "dnsvalidator";
+  version = "0.1-unstable-2023-01-17";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "vortexau";
+    repo = "dnsvalidator";
+    # https://github.com/vortexau/dnsvalidator/issues/21
+    rev = "146c9b0e24d806b25697fbb541bf9f19a3086d41";
+    hash = "sha256-8pbBEtkiaGYp5ekkA1UUZ+5DX/iarxKdpQn5hM3cmvA=";
+  };
+
+  postPatch = ''
+    substituteInPlace setup.py \
+      --replace-fail "'pytest-runner'" ""
+  '';
+
+  pythonRemoveDeps = [ "ipaddress" ];
+
+  build-system = with python3.pkgs; [ setuptools ];
+
+  dependencies = with python3.pkgs; [
+    colorclass
+    dnspython
+    netaddr
+    requests
+  ];
+
+  # Project has no tests
+  doCheck = false;
+
+  pythonImportsCheck = [ "dnsvalidator" ];
+
+  meta = {
+    description = "Tool to maintain a list of IPv4 DNS servers";
+    homepage = "https://github.com/vortexau/dnsvalidator";
+    license = lib.licenses.gpl3Only;
+    maintainers = with lib.maintainers; [ fab ];
+    mainProgram = "dnsvalidator";
+  };
+}