diff --git a/.gitignore b/.gitignore
index 12c8037..4420a98 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,5 @@
 *.secret
 host_vars
 inventory.yml
+group_vars/all/overlay.yml
+group_vars/all/vault.yml
diff --git a/README.md b/README.md
index 3fd4f28..25a0d0b 100644
--- a/README.md
+++ b/README.md
@@ -2,11 +2,11 @@
 
 - Install required packages:
     - sshpass
+    - python-passlib
 - Copy `inventory.example.yml` to `inventory.yml`, modifying fields as adequate.
-- Look at `group_vars/all/vars.yml`, and set needed settings in `host_vars/<hostname>/vars.yml`.
+- Look at `group_vars/all/vars.yml`, and set needed settings in `host_vars/<hostname>/vars.yml`, or `group_vars/all/overlay.yml`.
 - Look at the following roles, and for each of them override their `defaults/vars.yml` in host or group vars:
     - `networking/connection`
-    - `networking/ddclient`
     - `networking/nameserver`
     - `caddy`
     - `containers`
@@ -16,8 +16,8 @@
     - `website`
 - Create vault for secrets:
     ```
-    ansible-vault create host_vars/[hostname]/vault.yml
-    ansible-vault edit host_vars/[hostname]/vault.yml
+    ansible-vault create group_vars/all/vault.yml
+    ansible-vault edit group_vars/all/vault.yml
     ```
     Copy-paste `group_vars/all/secret_template.yml` into this vault,
     and modify as needed.
diff --git a/roles/networking/nameserver/defaults/main.yml b/roles/networking/nameserver/defaults/main.yml
index a18ccc1..61e3651 100644
--- a/roles/networking/nameserver/defaults/main.yml
+++ b/roles/networking/nameserver/defaults/main.yml
@@ -3,5 +3,5 @@
 # these are defaults
 # set these in host/group vars
 
-email: dogeystamp@disroot.org
+email: null
 dyndns_domain: null