diff --git a/nbit.ch.zone b/nbit.ch.zone
index fbdd141..a514f94 100644
--- a/nbit.ch.zone
+++ b/nbit.ch.zone
@@ -1,8 +1,8 @@
-$TTL 15m
+$TTL 4h
 $ORIGIN nbit.ch.
 
 @  1D  IN	 SOA ns1.nbit.ch. hostmaster.nbit.ch. (
-			      2024080502; serial
+			      2024080603; serial
 			      3H ; refresh
 			      120; retry
 			      2w ; expire
@@ -39,6 +39,8 @@ onyx          IN      AAAA    2a01:4f8:c012:c21c::1
 onyx-dev      IN      A       168.119.114.44
 onyx-dev      IN      AAAA    2a01:4f8:c2c:9c5e::1
 
-dkim._domainkey     IN TXT "v=DKIM1;k=rsa;t=s;s=email;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCqsUToA7e5oYy+5eREY15imqyKTdVo3t5o5dYdMuOFp8pofmoaSsSmJTEuhapU8zo2Dw7XjGwhvbD5qLzHEX0LE9tiSiKRbvSvTTQgfcTdngE+i6eA9A2g3INkv9YwSlga+kCddxsDKSCT5XpeTqweLiT0+TEL7RCtFM1FOnAZcwIDAQAB"
+20240806-ed25519-085d44a5._domainkey.nbit.ch TXT "v=DKIM1; k=ed25519; h=sha256; p=z8wCQQMxuoqO/lNiz/K4ZaP2AOp1EUmoPUAKNwal4aY="
+20240806-rsa1024-085d44a5._domainkey.nbit.ch TXT "v=DKIM1; k=rsa; h=sha256; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDNswO/GUfPV8VXrDH4+k3ZOI93jnEHCsnv3GNGbXzljpsCeYQ/XkGDaUzAu1lwx68eZyJ168+jmqriNI1PfVCWOKYYM5kjJc1OD6IKU/JbputPGquPSOprOM1KUE1QpW4q0Xy4secCRRVGEpZueHwCas0s4PKz2EkvMI2BO7UqsQIDAQAB"
+20240806-rsa2048-085d44a5._domainkey.nbit.ch TXT "v=DKIM1; k=rsa; h=sha256; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAkLm1LP35bx/m66Owj7K//nwHgAIPLargRe+Spft2Yvb2wmZ0FfQIc2JRl4ZBM5nxbnShcQTHQLejLhUJNZHecoRxTWlIta8M7UMFfr2PeJciLkGlKr9e5b2UDW4z2FNKx7vlukMbF62zs64NvaK9uz2USi1hlFFbltw5lRs2YmfUlG+Ot9H/mme1ZdL5Dm/WMBeGHvjFrCcXz3FzR1KkdVBIjNJz4E//y0gIcjNyW5mQfw0Gcrg06h2Pm+hOjTzYJqFy5V0vZRRyag+9G1WN4dL6O8lQISnsEZKykI3+zXBdDAh16HkGQ122qWSR6DWeBzIa6pnHJj3Mo6CdDgn6FQIDAQAB"
 
 _dmarc IN  TXT "v=DMARC1;p=reject;pct=100"