diff --git a/group_vars/all/global.yaml b/group_vars/all/global.yaml
index 122ee5e..70f4994 100644
--- a/group_vars/all/global.yaml
+++ b/group_vars/all/global.yaml
@@ -14,7 +14,7 @@
 #  no_proxy: '127.0.0.1,localhost,.example.com,.svc,.local,.localdomain,.internal,127.0.1.1,127.254.254.254,169.254.169.254,169.254.169.253,169.254.169.123,/var/run/docker.sock,.sock,sock,.socket'
 #####
 
-KUBERNETES_VERSION: "1.25.4"
+KUBERNETES_VERSION: "{{ KUBERNETES_VERSION_CUSTOM | default ('1.25.4') }}"
 # Software versions (used by installation, package manager, image pull, etc. )
 
 KEEPALIVED_VERSION: "1.3.5"
diff --git a/group_vars/all/network.yml b/group_vars/all/network.yml
index 89dbef4..59680a1 100644
--- a/group_vars/all/network.yml
+++ b/group_vars/all/network.yml
@@ -4,7 +4,7 @@ CLUSTER_NAME: demok8s  # used only for defining the clusterConfiguration and joi
 ## ensure you have the DNS set for wildcard, and pointing all the trafic to master or similar setup
 custom:
   networking:
-    dnsDomain: "{{ CLUSTER_NAME }}.myk8s.corp.example.com"  # For MasterHA, if you have dns, put the desired cluster domain here. If no DNS change possible on your side, and you want MasterHA, fix the below 2 values accordinly
+    dnsDomain: "{{ CLUSTER_NAME }}.{{ CORP_DNS_DOMAIN | default ('corp.example.com') }}"  # For MasterHA, if you have dns, put the desired cluster domain here. If no DNS change possible on your side, and you want MasterHA, fix the below 2 values accordinly
 
     ######
     ## masterha_* params are requried when you have MasterHA (meaning when your inventory has "secondary-masters" section not-empty)
@@ -19,7 +19,7 @@ custom:
     masterha_ip: "10.1.2.3" #| default('') }}"  # Important when you have MasterHA;  # IP of either your LB or the VIP to be used.
     ## masterha_fqdn is usually the dns name of masterha_ip above. (We cannot get it automatically in ansible...)
     ## This value is important in order to set apiServerCertSANs in the certs correctly
-    masterha_fqdn: "master-{{ CLUSTER_NAME }}.corp.example.com"  # Important when you have MasterHA, in order to set apiServerCertSANs correctly
+    masterha_fqdn: "master-{{ CLUSTER_NAME }}.{{ CORP_DNS_DOMAIN | default ('corp.example.com') }}"  # Important when you have MasterHA, in order to set apiServerCertSANs correctly
     #masterha_fqdn: "{{ lookup('dig', masterha_ip, 'qtype=PTR') }}" # but requires some pip modules on host...
 
     #masterha_bindPort: 6443 #default is 6443; We recommend to keep it 6443.