diff --git a/app/app.pm b/app/app.pm
index 71ca750..f0ab12a 100644
--- a/app/app.pm
+++ b/app/app.pm
@@ -18,7 +18,7 @@ has dbh => ( is => 'rw', builder => '_void');
 has dnsi => ( is => 'rw', builder => '_void');
 has dnsisec => ( is => 'rw', builder => '_void');
 has um => ( is => 'rw', builder => '_void');
-has [ qw/zdir dbname dbhost dbport dbuser dbpass sgbd dnsapp dnsappsec sshhost sshhostsec sshuser sshusersec sshport sshportsec nsmasterv4 nsmasterv6 dnsslavekey/ ] => qw/is ro required 1/;
+has [ qw/zdir dbname dbhost dbport dbuser dbpass sgbd dnsapp dnsappsec sshhost sshhostsec sshuser sshusersec sshport sshportsec nsmasterv4 nsmasterv6 nsslavev4 nsslavev6 dnsslavekey/ ] => qw/is ro required 1/;
 sub _void { my $x = ''; \$x; }
 
 ### users
diff --git a/app/zone/nsdc_interface.pm b/app/zone/nsdc_interface.pm
index fc57b04..c06d111 100644
--- a/app/zone/nsdc_interface.pm
+++ b/app/zone/nsdc_interface.pm
@@ -12,7 +12,7 @@ sub reload_sec {
 
     system('ssh -p ' . $self->data->sshportsec . ' '
         . $self->data->sshusersec . '@' . $self->data->sshhostsec
-        . ' "sudo nsdc rebuild 2>/dev/null 1>/dev/null && sudo nsdc reload 2>/dev/null 1>/dev/null "');
+        . ' "sudo nsdc rebuild 2>/dev/null 1>/dev/null && sudo nsdc restart 2>/dev/null 1>/dev/null "');
 }
 
 sub _reload_conf {
diff --git a/app/zone/rndc_interface.pm b/app/zone/rndc_interface.pm
index 9768e54..4d564a1 100644
--- a/app/zone/rndc_interface.pm
+++ b/app/zone/rndc_interface.pm
@@ -19,7 +19,7 @@ sub addzone {
         $command .= "'$opt'";
     }
     else {
-        $command .= "'{ type master; file \"$zdir/$zname\"; };'"
+        $command .= "'{ type master; file \"$zdir/$zname\"; allow-transfer { ". $self->data->nsslavev4 . '; '. $self->data->nsslavev6 . "; }; notify yes; };'";
     }
 
     $command .= " 2>/dev/null 1>/dev/null";
diff --git a/www/conf/config.ini b/www/conf/config.ini
index 0a5aaf5..1641636 100644
--- a/www/conf/config.ini
+++ b/www/conf/config.ini
@@ -32,6 +32,10 @@ sshport = 2222
 nsmasterv4 = 89.234.141.65
 nsmasterv6 = 2a00:5881:8100:1000::2
 
+# name the IP of the slave named server
+nsslavev4 = 91.224.149.146
+nsslavev6 = 2a01:6600:8081:9200::1
+
 # to access to the slave DNS server
 sshhostsec = host
 sshusersec = dnsmanager