diff --git a/data/powerdns/files/bind-zones/kunbox.net b/data/powerdns/files/bind-zones/kunbox.net
index ee2bd1e..bb45655 100644
--- a/data/powerdns/files/bind-zones/kunbox.net
+++ b/data/powerdns/files/bind-zones/kunbox.net
@@ -18,7 +18,7 @@ $ORIGIN kunbox.net.
 
 ; Needs to have a working Mail address, otherwise Telekom goes mimimi
                     IN  MX      10 mail.franzi.business.
-                    IN  TXT     "v=spf1 mx ~all"
+                    IN  TXT     "v=spf1 mx a:mail.kunsmann.info ~all"
 
 ; delegate acme stuff to psql-managed zone
 _acme-challenge     IN  CNAME   _acme-challenge.kunbox.net.le.kunbox.net.