diff --git a/wo-bisch.ch.zone b/wo-bisch.ch.zone
index 0e42351..25958d6 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. (
-			      2022122101 ; serial
+			      2022122901 ; serial
 			      3H ; refresh
 			      120; retry
 			      2w ; expire
@@ -18,12 +18,16 @@ $ORIGIN wo-bisch.ch.
        IN  TXT "google-site-verification=QetTfKzF08piZ9jYSUcTsnRKO8vyCaUrEafNq4rcqZM"
 
 ; server host definitions
-          IN      A       168.119.240.108
-          IN      AAAA    2a01:4f8:c010:7e62::1
+      60  IN      A       168.119.240.108
+      60  IN      AAAA    2a01:4f8:c010:7e62::1
+;      60  IN      A       5.75.251.111
+;      60  IN      AAAA    2a01:4f8:c012:c21c::1
 dev       IN      A       168.119.114.44
 dev       IN      AAAA    2a01:4f8:c2c:9c5e::1
-www       IN      A       168.119.240.108
-www       IN      AAAA    2a01:4f8:c010:7e62::1
+www   60  IN      A       168.119.240.108
+www   60  IN      AAAA    2a01:4f8:c010:7e62::1
+;www   60  IN      A       5.75.251.111
+;www   60  IN      AAAA    2a01:4f8:c012:c21c::1
 wobisch2  IN      A       168.119.240.108
 wobisch2  IN      AAAA    2a01:4f8:c010:7e62::1