diff --git a/ch-wirth.ch.zone b/ch-wirth.ch.zone
index bd16203..4f11c00 100644
--- a/ch-wirth.ch.zone
+++ b/ch-wirth.ch.zone
@@ -2,7 +2,7 @@ $TTL 4h
 $ORIGIN ch-wirth.ch.
 
 @  1D  IN	 SOA ns1.nbit.ch. hostmaster.nbit.ch. (
-			      2023090803 ; serial
+			      2024081202 ; serial
 			      3H ; refresh
 			      120; retry
 			      2w ; expire
@@ -19,7 +19,7 @@ $ORIGIN ch-wirth.ch.
 
 
 ; server host definitions
-mail   IN  A      135.181.95.247
+mail   IN  A      49.13.194.148
 ns1    IN  A      213.200.229.182
 
 202308._domainkey	IN	TXT	( "v=DKIM1; h=sha256; k=rsa; s=email; "