diff --git a/zones/db.tilde.chat b/zones/db.tilde.chat
index c9796af..89a8e06 100644
--- a/zones/db.tilde.chat
+++ b/zones/db.tilde.chat
@@ -1,7 +1,7 @@
 $ORIGIN .
 $TTL 3600	; 1 hour
 tilde.chat		IN SOA	ns1.tildeverse.net. root.tilde.chat. (
-				2021082418 ; serial
+				2022021100 ; serial
 				86400      ; refresh (1 day)
 				7200       ; retry (2 hours)
 				3600000    ; expire (5 weeks 6 days 16 hours)
@@ -37,9 +37,7 @@ ctrl-c			A	165.227.127.54
 eu			A	104.238.186.103
 			A	116.203.40.7
 			A	157.90.196.52
-			A	188.40.73.235
 			AAAA	2001:19f0:7402:f82:5400:1ff:fec4:f7d7
-			AAAA	2a01:4f8:221:907::10
 			AAAA	2a01:4f8:252:3e22::52
 			AAAA	2a01:4f8:1c1c:45b3::1
 hub			CNAME	tilde.chat.
@@ -52,12 +50,10 @@ irc			A	104.238.186.103
 			A	142.44.150.184
 			A	157.90.196.52
 			A	165.227.127.54
-			A	188.40.73.235
 			A	198.50.210.248
 			AAAA	2001:19f0:7402:f82:5400:1ff:fec4:f7d7
 			AAAA	2607:5300:60:4f58::248
 			AAAA	2607:5300:61:c67::114
-			AAAA	2a01:4f8:221:907::10
 			AAAA	2a01:4f8:252:3e22::52
 			AAAA	2a01:4f8:1c1c:45b3::1
 kiwi			CNAME	tilde.chat.
diff --git a/zones/db.ttm.sh b/zones/db.ttm.sh
index 36b8118..644c458 100644
--- a/zones/db.ttm.sh
+++ b/zones/db.ttm.sh
@@ -1,7 +1,7 @@
 $ORIGIN .
 $TTL 3600	; 1 hour
 ttm.sh			IN SOA	ns1.tildeverse.net. root.ttm.sh. (
-				2021082418 ; serial
+				2021082422 ; serial
 				86400      ; refresh (1 day)
 				7200       ; retry (2 hours)
 				3600000    ; expire (5 weeks 6 days 16 hours)
diff --git a/zones/mydomains/db.dobis.org b/zones/mydomains/db.dobis.org
index 2d86795..a57caf2 100644
--- a/zones/mydomains/db.dobis.org
+++ b/zones/mydomains/db.dobis.org
@@ -1,7 +1,7 @@
 $ORIGIN .
 $TTL 3600	; 1 hour
 dobis.org		IN SOA	ns1.bhh.sh. root.dobis.org. (
-				2021082812 ; serial
+				2021082872 ; serial
 				86400      ; refresh (1 day)
 				7200       ; retry (2 hours)
 				3600000    ; expire (5 weeks 6 days 16 hours)