diff --git a/pages/02.linux/bind-dns/default.en.md b/pages/02.linux/bind-dns/default.en.md
index 58112b3..c5ebb04 100644
--- a/pages/02.linux/bind-dns/default.en.md
+++ b/pages/02.linux/bind-dns/default.en.md
@@ -16,3 +16,17 @@ apt install bind9
 ```
 
 [/shroot]
+
+Generate keys for different views
+
+[shroot]
+
+```sh
+tsig-keygen -a hmac-sha256 [VIEW]
+```
+
+[/shroot]
+
+https://jensd.be/160/linux/split-horizon-dns-masterslave-with-bind
+
+_TODO_