diff --git a/bundles/bind-acme/metadata.py b/bundles/bind-acme/metadata.py
index aa8c547..4f464ce 100644
--- a/bundles/bind-acme/metadata.py
+++ b/bundles/bind-acme/metadata.py
@@ -34,3 +34,5 @@ def acme_zone(metadata):
             },
         },
     }
+
+#https://lists.isc.org/pipermail/bind-users/2006-January/061051.html
diff --git a/nodes/home.server.py b/nodes/home.server.py
index 4d57ce1..71ad55d 100644
--- a/nodes/home.server.py
+++ b/nodes/home.server.py
@@ -50,9 +50,6 @@
             'readonly_token': '!decrypt:encrypt$gAAAAABg3z1-0hnUdzsfivocxhJm58YnPLn96OUvnHiPaehdRhKd6TZBgEPc5YyR07t2-GEUfOvEwoie-O6QsVhWYxrwxNTBXux_iUSx7W6e-fLQA_3MgWf5G97q_3kx_wCgQ6V0iKRyxH988TpNSMACfS4WhCXdSes1CaMpic4VV3S3ox_gCrSHxO7yVXQkJDnOW0MixY5T',
             'writeonly_token': '!decrypt:encrypt$gAAAAABg3z6fGrOy2tNdo03RoYAXmpJoJYkfhBfpblPh_wxYfqmdjtABaD7XyV9mSh9xl8oWQlTAtCk9KndVCDQy7BJ-ju7S3HCKJ0k244Y5YKxUnQtqt9fc9nnm8XD-NOJqLKyfy0QhL_I8dFT02pygoJeCUR5NkZcTKf6julb-iGXI6vWcQgolJTYrW643pHObd-Z-vIEl',
         },
-        'letsencrypt': {
-            'delegate_to_node': 'htz.mails',
-        },
         'mosquitto': {
             'hostname': 'mqtt.sublimity.de',
             'users': {