diff --git a/terraform/.terraform.lock.hcl b/terraform/.terraform.lock.hcl
index 1520517..2ee445d 100644
--- a/terraform/.terraform.lock.hcl
+++ b/terraform/.terraform.lock.hcl
@@ -1,10 +1,48 @@
 # This file is maintained automatically by "terraform init".
 # Manual edits may be lost in future updates.
 
+provider "registry.terraform.io/hashicorp/null" {
+  version = "3.2.1"
+  hashes = [
+    "h1:ydA0/SNRVB1o95btfshvYsmxA+jZFRZcvKzZSB+4S1M=",
+    "zh:58ed64389620cc7b82f01332e27723856422820cfd302e304b5f6c3436fb9840",
+    "zh:62a5cc82c3b2ddef7ef3a6f2fedb7b9b3deff4ab7b414938b08e51d6e8be87cb",
+    "zh:63cff4de03af983175a7e37e52d4bd89d990be256b16b5c7f919aff5ad485aa5",
+    "zh:74cb22c6700e48486b7cabefa10b33b801dfcab56f1a6ac9b6624531f3d36ea3",
+    "zh:78d5eefdd9e494defcb3c68d282b8f96630502cac21d1ea161f53cfe9bb483b3",
+    "zh:79e553aff77f1cfa9012a2218b8238dd672ea5e1b2924775ac9ac24d2a75c238",
+    "zh:a1e06ddda0b5ac48f7e7c7d59e1ab5a4073bbcf876c73c0299e4610ed53859dc",
+    "zh:c37a97090f1a82222925d45d84483b2aa702ef7ab66532af6cbcfb567818b970",
+    "zh:e4453fbebf90c53ca3323a92e7ca0f9961427d2f0ce0d2b65523cc04d5d999c2",
+    "zh:e80a746921946d8b6761e77305b752ad188da60688cfd2059322875d363be5f5",
+    "zh:fbdb892d9822ed0e4cb60f2fedbdbb556e4da0d88d3b942ae963ed6ff091e48f",
+    "zh:fca01a623d90d0cad0843102f9b8b9fe0d3ff8244593bd817f126582b52dd694",
+  ]
+}
+
+provider "registry.terraform.io/hashicorp/random" {
+  version = "3.5.1"
+  hashes = [
+    "h1:IL9mSatmwov+e0+++YX2V6uel+dV6bn+fC/cnGDK3Ck=",
+    "zh:04e3fbd610cb52c1017d282531364b9c53ef72b6bc533acb2a90671957324a64",
+    "zh:119197103301ebaf7efb91df8f0b6e0dd31e6ff943d231af35ee1831c599188d",
+    "zh:4d2b219d09abf3b1bb4df93d399ed156cadd61f44ad3baf5cf2954df2fba0831",
+    "zh:6130bdde527587bbe2dcaa7150363e96dbc5250ea20154176d82bc69df5d4ce3",
+    "zh:6cc326cd4000f724d3086ee05587e7710f032f94fc9af35e96a386a1c6f2214f",
+    "zh:78d5eefdd9e494defcb3c68d282b8f96630502cac21d1ea161f53cfe9bb483b3",
+    "zh:b6d88e1d28cf2dfa24e9fdcc3efc77adcdc1c3c3b5c7ce503a423efbdd6de57b",
+    "zh:ba74c592622ecbcef9dc2a4d81ed321c4e44cddf7da799faa324da9bf52a22b2",
+    "zh:c7c5cde98fe4ef1143bd1b3ec5dc04baf0d4cc3ca2c5c7d40d17c0e9b2076865",
+    "zh:dac4bad52c940cd0dfc27893507c1e92393846b024c5a9db159a93c534a3da03",
+    "zh:de8febe2a2acd9ac454b844a4106ed295ae9520ef54dc8ed2faf29f12716b602",
+    "zh:eab0d0495e7e711cca367f7d4df6e322e6c562fc52151ec931176115b83ed014",
+  ]
+}
+
 provider "registry.terraform.io/hetznercloud/hcloud" {
   version     = "1.44.1"
   constraints = "1.44.1"
-  hashes      = [
+  hashes = [
     "h1:q2JvvbG+seeZ4A2ijxPi5Tis+NJVoB59cAt3KeQe0uA=",
     "zh:156df81d2c740608b9fb7f439defbb39b89585c55dc6e62e4af928808ff67f9e",
     "zh:32407f1df8b59afe5e35710c4acf2c8a8cbf5ea9a32126f34cb0c49ff142a047",
diff --git a/terraform/modules/k8s-cluster/versions.tf b/terraform/modules/k8s-cluster/versions.tf
index 62ed723..327596b 100644
--- a/terraform/modules/k8s-cluster/versions.tf
+++ b/terraform/modules/k8s-cluster/versions.tf
@@ -1,9 +1,5 @@
 terraform {
   required_providers {
-    helm = {
-      source  = "hashicorp/helm"
-      version = "2.11.0"
-    }
     inwx = {
       source  = "inwx/inwx"
       version = "1.3.2"
diff --git a/terraform/modules/k8s-cluster/worker-node.tf b/terraform/modules/k8s-cluster/worker-node.tf
index e5cc84f..afd336c 100644
--- a/terraform/modules/k8s-cluster/worker-node.tf
+++ b/terraform/modules/k8s-cluster/worker-node.tf
@@ -18,7 +18,7 @@ resource "hcloud_primary_ip" "ipv6_worker_address" {
   auto_delete   = false
 }
 
-resource "hcloud_rdns" "ipv6_manager" {
+resource "hcloud_rdns" "ipv6_worker" {
   count = var.number_worker_nodes
 
   primary_ip_id = hcloud_primary_ip.ipv6_worker_address[count.index].id