diff --git a/nix/os/containers/mailserver.nix b/nix/os/containers/mailserver.nix
index afc16b4..cce2fdd 100644
--- a/nix/os/containers/mailserver.nix
+++ b/nix/os/containers/mailserver.nix
@@ -7,10 +7,16 @@ in args // {
   config = { pkgs, ... }: {
     imports = [
       ../profiles/common/user.nix
+      ../modules/ddclient-ovh.nix
     ];
 
     networking.firewall.enable = false;
 
+    services.ddclientovh = {
+        enable = true;
+        domain = "mailserver.svc.stefanjunker.de";
+    };
+
     services.dovecot2 = {
       enable = true;
 
diff --git a/nix/os/containers/webserver.nix b/nix/os/containers/webserver.nix
index 276cc2f..bef7c3c 100644
--- a/nix/os/containers/webserver.nix
+++ b/nix/os/containers/webserver.nix
@@ -4,8 +4,17 @@ let
 
 in args // {
   config = { pkgs, ... }: {
+    imports = [
+      ../modules/ddclient-ovh.nix
+    ];
+
     networking.firewall.enable = false;
 
+    services.ddclientovh = {
+        enable = true;
+        domain = "www.stefanjunker.de";
+    };
+
     systemd.services.mysql-deprecated = {
       enable = true;
       wantedBy = [ "multi-user.target" ];
diff --git a/nix/variables/passwords.crypt.nix b/nix/variables/passwords.crypt.nix
index e84fce1..f2d3a02 100644
Binary files a/nix/variables/passwords.crypt.nix and b/nix/variables/passwords.crypt.nix differ