diff --git a/machines/renge/services/prometheus.nix b/machines/renge/services/prometheus.nix
index 495bf16..f36c6b9 100644
--- a/machines/renge/services/prometheus.nix
+++ b/machines/renge/services/prometheus.nix
@@ -136,8 +136,10 @@ in
       {
         job_name = "knot";
         static_configs = mkStaticTargets [
-          "okarin.vpn.sbruder.de:9433"
           "vueko.vpn.sbruder.de:9433"
+          "renge.vpn.sbruder.de:9433"
+          "okarin.vpn.sbruder.de:9433"
+          "yuzuru.vpn.sbruder.de:9433"
         ];
         relabel_configs = lib.singleton {
           target_label = "instance";
diff --git a/modules/authoritative-dns.nix b/modules/authoritative-dns.nix
index 954be90..fd3ec3a 100644
--- a/modules/authoritative-dns.nix
+++ b/modules/authoritative-dns.nix
@@ -7,14 +7,16 @@ let
   cfg = config.sbruder.knot;
 
   primaryHost = "vueko";
-  secondaryHosts = [ "okarin" ];
+  secondaryHosts = [ "renge" "okarin" "yuzuru" ];
 
   isPrimaryHost = config.networking.hostName == primaryHost;
   isSecondaryHost = lib.elem config.networking.hostName secondaryHosts;
 
   addresses = {
     vueko = [ "168.119.176.53" "2a01:4f8:c012:2f4::1" ];
+    renge = [ "152.53.13.113" "2a03:4000:6b:d2::1" ];
     okarin = [ "82.165.242.252" "2001:8d8:1800:8627::1" ];
+    yuzuru = [ "85.215.73.203" "2a02:247a:272:1600::1" ];
   };
 in
 {