diff --git a/configuration.org b/configuration.org
index 11e4a49..34311b2 100755
--- a/configuration.org
+++ b/configuration.org
@@ -1111,6 +1111,22 @@ systemd.user.services = {
       ExecStart = "${jawz_tasks}/bin/tasks";
     };
   };
+  "update_dns" = let jawz_update_dns = pkgs.writeScriptBin
+    "update_dns" (builtins.readFile ./scripts/update_dns.sh); in {
+    restartIfChanged = true;
+    description = "update DNS of my websites";
+    wantedBy = [ "default.target" ];
+    path = [
+      pkgs.curl
+      pkgs.bash
+      jawz_update_dns
+    ];
+    serviceConfig = {
+      Restart = "on-failure";
+      RestartSec = 30;
+      ExecStart = "${jawz_update_dns}/bin/update_dns";
+    };
+  };
 };
 systemd.user.timers = {
   "tasks" = {
@@ -1121,6 +1137,15 @@ systemd.user.timers = {
       OnCalendar = "*:0/10";
     };
   };
+  "update_dns" = {
+    enable = true;
+    description = "update DNS of my websites";
+    wantedBy = [ "timers.target" ];
+    timerConfig = {
+        OnBootSec = "1min";
+        OnUnitActiveSec = "6h";
+    };
+  };
 };
 #+end_src