diff --git a/hosts/yodaNas/host-specific.nix b/hosts/yodaNas/host-specific.nix
index 356aca7..48ca239 100644
--- a/hosts/yodaNas/host-specific.nix
+++ b/hosts/yodaNas/host-specific.nix
@@ -53,13 +53,13 @@ in
   # Create netcup-dns timer.
   systemd.timers."netcup-dns" = {
     wantedBy = [ "timers.target" ];
-    partOf = [ "netcup-dns.service" ];
-    # https://man.archlinux.org/man/systemd.timer.5
+    #partOf = [ "netcup-dns.service" ]; # TODO rm this?
     timerConfig = {
-      OnCalendar = "3m";
+      OnBootSec = "0m";
+      OnUnitInactiveSec = "3m";
+
       AccuracySec = "15s";
       RandomizedDelaySec = "15s";
-      Persistent = true;
     };
   };
   systemd.services."netcup-dns" = {
@@ -69,13 +69,8 @@ in
       User = "netcup-dns";
       Nice = 19;
       IOSchedulingClass = "idle";
-      #ExecStart = "/run/current-system/sw/bin/netcup-dns";
-      #ExecStart = "${my-python-packages}/bin/netcup-dns";
       ExecStart = "${pkgs.python3.withPackages my-python-packages}/bin/netcup-dns";
     };
-#    path = with pkgs; [
-#      my-python-packages
-#    ];
   };
 
   # Start Jinja-Compose project during boot.