diff --git a/dn42-registry.nix b/dn42-registry.nix
new file mode 100644
index 0000000..1b5539e
--- /dev/null
+++ b/dn42-registry.nix
@@ -0,0 +1,31 @@
+{ pkgs ? import <nixpkgs> {} }:
+with pkgs;
+
+let
+  check = name: arg: stdenv.mkDerivation {
+    inherit name;
+    src = <registry>;
+    phases = [ "unpackPhase" "patchPhase" "installPhase" "checkPhase" ];
+    patchPhase = "patchShebangs utils";
+    installPhase = "touch $out";
+    buildInputs = [ python3 ];
+    doCheck = true;
+    checkPhase = ''
+      ./check-my-stuff ${arg}
+    '';
+  };
+  mntners = builtins.attrNames (
+    lib.filterAttrs (_: t: t == "regular") (
+      builtins.readDir (<registry> + "/data/mntner")
+    )
+  );
+  mntnerJobs = builtins.listToAttrs (
+    map (mntner: rec {
+      name = "mntner-${mntner}";
+      value = lib.hydraJob (check name mntner);
+    }) mntners
+  );
+in
+mntnerJobs // {
+  all = lib.hydraJob (check "all" "--all");
+}
diff --git a/jobsets.nix b/jobsets.nix
index 7838c8f..794ae6f 100644
--- a/jobsets.nix
+++ b/jobsets.nix
@@ -101,6 +101,14 @@ let
         tracer = "https://github.com/nek0/tracer.git master 1";
       };
     };
+
+    dn42-registry = mkJobset {
+      description = "dn42 registry checks";
+      nixexprpath = "dn42-registry.nix";
+      gitUrls = {
+        registry = "https://git.dn42.us/dn42/registry.git";
+      };
+    };
   };
 
   jobsetsJson = pkgs.writeText "jobsets.json" (builtins.toJSON jobsets );