diff --git a/acmoag.com.zone b/acmoag.com.zone
index 187d013..08302d2 100644
--- a/acmoag.com.zone
+++ b/acmoag.com.zone
@@ -2,7 +2,7 @@ $TTL 4h
 $ORIGIN acmoag.com.
 
 @  1D  IN	 SOA ns1.nbit.ch. hostmaster.nbit.ch. (
-			      2022120903 ; serial
+			      2022121401 ; serial
 			      3H ; refresh
 			      120 ; retry
 			      2w ; expire
@@ -17,7 +17,7 @@ $ORIGIN acmoag.com.
        IN  SPF "v=spf1 include:servers.mcsv.net ?all"
 
 ; server host definitions
-        IN      A       23.88.33.113
+        IN      A       5.75.251.111
 mail    IN      A       135.181.95.247
 www     IN      A       5.75.251.111
 www     IN      AAAA    2a01:4f8:c012:c21c::1
diff --git a/nbit.ch.zone b/nbit.ch.zone
index fd09cc2..7653091 100644
--- a/nbit.ch.zone
+++ b/nbit.ch.zone
@@ -2,7 +2,7 @@ $TTL 4h
 $ORIGIN nbit.ch.
 
 @  1D  IN	 SOA ns1.nbit.ch. hostmaster.nbit.ch. (
-			      2022120907; serial
+			      2022121301; serial
 			      3H ; refresh
 			      120; retry
 			      2w ; expire
@@ -30,8 +30,6 @@ wiki          IN      A       5.75.251.111
 wiki          IN      AAAA    2a01:4f8:c012:c21c::1
 humpty        IN      A       94.130.184.127
 humpty        IN      AAAA    2a01:4f8:c2c:12ed::1
-moby          IN      A       23.88.33.113
-moby          IN      AAAA    2a01:4f8:c010:90e1::1
 www           IN      A       5.75.251.111
 www           IN      AAAA    2a01:4f8:c012:c21c::1
 mqtt          IN      A       135.181.95.247
diff --git a/wo-bisch.ch.zone b/wo-bisch.ch.zone
index f298714..6932dbd 100644
--- a/wo-bisch.ch.zone
+++ b/wo-bisch.ch.zone
@@ -2,7 +2,7 @@ $TTL 4h
 $ORIGIN wo-bisch.ch.
 
 @  1D  IN	 SOA ns1.nbit.ch. hostmaster.nbit.ch. (
-			      2022070101 ; serial
+			      2022121401 ; serial
 			      3H ; refresh
 			      120; retry
 			      2w ; expire
@@ -24,8 +24,8 @@ wobisch1  IN      A       65.21.52.32
 wobisch1  IN      AAAA    2a01:4f9:c010:ef23::1
 dev       IN      A       65.21.52.32
 dev       IN      AAAA    2a01:4f9:c010:ef23::1
-dev2      IN      A       23.88.33.113
-dev2      IN      AAAA    2a01:4f8:c010:90e1::1
+dev2      IN      A       5.75.251.111
+dev2      IN      AAAA    2a01:4f8:c012:c21c::1
 www       IN      A       168.119.240.108
 www       IN      AAAA    2a01:4f8:c010:7e62::1
 wobisch2  IN      A       168.119.240.108