diff --git a/roles/dns-intern/templates/bind/23.172.in-addr.arpa.zone.j2 b/roles/dns-intern/templates/bind/23.172.in-addr.arpa.zone.j2
index 684218a..343dab1 100644
--- a/roles/dns-intern/templates/bind/23.172.in-addr.arpa.zone.j2
+++ b/roles/dns-intern/templates/bind/23.172.in-addr.arpa.zone.j2
@@ -1,7 +1,7 @@
 $ORIGIN 23.172.in-addr.arpa.	; base for unqualified names
 $TTL 1h				; default time-to-live
 @				IN	SOA ns.binary.kitchen. hostmaster.binary.kitchen. (
-					2018082000; serial
+					2018082100; serial
 					1d; refresh
 					2h; retry
 					4w; expire
@@ -46,7 +46,7 @@ $TTL 1h				; default time-to-live
 60.2				IN	PTR	punsch.binary.kitchen.
 62.2				IN	PTR	bowle.binary.kitchen.
 91.2				IN	PTR	spiegelei.binary.kitchen.
-92.2				IN	PTR	obazda.binary.kitchen.
+92.2				IN	PTR	obatzda.binary.kitchen.
 ; Clients
 1.3				IN	PTR	v2303.core.binary.kitchen.
 $GENERATE 10-240 $.3		IN	PTR	dhcp-${0,3,d}-03.binary.kitchen.
diff --git a/roles/dns-intern/templates/bind/binary.kitchen.zone.j2 b/roles/dns-intern/templates/bind/binary.kitchen.zone.j2
index 3bf6349..c31c15f 100644
--- a/roles/dns-intern/templates/bind/binary.kitchen.zone.j2
+++ b/roles/dns-intern/templates/bind/binary.kitchen.zone.j2
@@ -1,7 +1,7 @@
 $ORIGIN binary.kitchen		; base for unqualified names
 $TTL 1h				; default time-to-live
 @				IN	SOA ns.binary.kitchen. hostmaster.binary.kitchen. (
-					2018082000; serial
+					2018082100; serial
 					1d; refresh
 					2h; retry
 					4w; expire
@@ -61,7 +61,7 @@ cashdesk			IN	A	172.23.2.44
 punsch				IN	A	172.23.2.60
 bowle				IN	A	172.23.2.62
 spiegelei			IN	A	172.23.2.91
-obazda				IN	A	172.23.2.92
+obatzda				IN	A	172.23.2.92
 ; Clients
 v2303.core			IN	A	172.23.3.1
 $GENERATE 1-240 dhcp-${0,3,d}-03	IN	A	172.23.3.$