diff --git a/salt-pillar/bind/dns.sls b/salt-pillar/bind/dns.sls
index 8f81020..b366fe0 100644
--- a/salt-pillar/bind/dns.sls
+++ b/salt-pillar/bind/dns.sls
@@ -4,6 +4,13 @@ bind:
   public-ns:
     - ns.c3d2.de
     - spaceboyz.net
+  slaves:
+    # bind.wetu.c3d2.de
+    - 172.22.100.9
+    - fd23:42:c3d2::1
+    # dns.spaceboyz.net
+    - 172.22.24.4
+    - 2a01:4f8:a0:33d0::4
   serial: 2017012300
   
   reverse-zones-inet:
diff --git a/salt/bind/named.conf b/salt/bind/named.conf
index f655f4d..bf1744a 100644
--- a/salt/bind/named.conf
+++ b/salt/bind/named.conf
@@ -1,7 +1,23 @@
+{% macro slaves() -%}
+{%-  if pillar['bind']['slaves'] -%}
+    allow-transfer {
+{%-    for addr in pillar['bind']['slaves'] -%}
+        {{ addr }};
+{%-    endfor -%}
+    };
+    also-notify {
+{%-    for addr in pillar['bind']['slaves'] -%}
+        {{ addr }};
+{%-    endfor -%}
+    };
+{%-  endif -%}
+{%- endmacro %}
+
 {%- set domain = pillar['bind']['root-domain'] %}
 zone "{{ domain }}" IN {
      type master;
      file "/etc/bind/{{ domain }}.zone";
+     {{ slaves() }}
 };
 
 {%- for net, subnet4 in pillar['subnets-inet'].items() %}
@@ -9,6 +25,7 @@ zone "{{ domain }}" IN {
 zone "{{ domain }}" IN {
      type master;
      file "/etc/bind/{{ domain }}.zone";
+     {{ slaves() }}
 };
 {%- endfor %}