diff --git a/nbit.ch.zone b/nbit.ch.zone
index 2ec8edf..79fe1de 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. (
-			      2022120901 ; serial
+			      2022120902; serial
 			      3H ; refresh
 			      120; retry
 			      2w ; expire
@@ -20,8 +20,8 @@ $ORIGIN nbit.ch.
               IN      AAAA    2a01:4f8:c012:c21c::1
 ns1           IN      A       94.130.184.127
 ns1           IN      AAAA    2a01:4f8:c2c:12ed::1
-ns2           IN      A       23.88.33.113
-ns2           IN      AAAA    2a01:4f8:c010:90e1::1
+ns2           IN      A       5.75.251.111
+ns2           IN      AAAA    2a01:4f8:c012:c21c::1
 autodiscover  IN      CNAME   mail.nbit.ch.
 autoconfig    IN      CNAME   mail.nbit.ch.
 mail          IN      A       135.181.95.247