[bind] Configure transfert and hide version

roles/bind-authoritative/templates/bind/named.conf.options.j2

@@ -23,4 +23,13 @@ options {
 	dnssec-validation auto;
 
 	listen-on-v6 { any; };
+
+	// Disable recursion on authoritative DNS server
+	recursion no;
+
+	// Disallow zone transfert by default
+	allow-transfer { none; };
+
+	// Hide version from clients
+	version "not currently available";
 };