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 4e8deab..58513ee 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 ns1.binary.kitchen. hostmaster.binary.kitchen. (
-					2021091301; serial
+					2021110701; serial
 					1d; refresh
 					2h; retry
 					4w; expire
@@ -83,6 +83,7 @@ $GENERATE 10-240 $.4		IN	PTR	dhcp-${0,3,d}-04.binary.kitchen.
 1.10				IN	PTR	wg0.erx-rz.binary.kitchen.
 $GENERATE 2-254 $.10		IN	PTR	vpn-${0,3,d}-10.binary.kitchen.
 ; Management Auweg
+31.12				IN	PTR	sw-auweg.binary.kitchen.
 61.12				IN	PTR	weizen.binary.kitchen.
 ; Services Auweg
 3.13				IN	PTR	aeron.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 23d2762..98a0646 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 ns1.binary.kitchen. hostmaster.binary.kitchen. (
-					2021091301; serial
+					2021110701; serial
 					1d; refresh
 					2h; retry
 					4w; expire
@@ -103,6 +103,7 @@ salat				IN	A	172.23.9.61
 salat-bmc			IN	A	172.23.9.81
 ; Services RZ
 ; Management Auweg
+sw-auweg			IN	A	172.23.12.31
 weizen				IN	A	172.23.12.61
 ; Services Auweg
 aeron				IN	A	172.23.13.3