diff --git a/nixbld-etc-nixos/named/m-labs-intl.com b/nixbld-etc-nixos/named/m-labs-intl.com
index ec4a0d0b..ebd86894 100644
--- a/nixbld-etc-nixos/named/m-labs-intl.com
+++ b/nixbld-etc-nixos/named/m-labs-intl.com
@@ -1,7 +1,7 @@
 $TTL 7200
 
 @						SOA	ns.m-labs-intl.com. sb.m-labs.hk. (
-							2024081402
+							2024081403
 							7200
 							3600
 							86400
@@ -16,6 +16,7 @@ $TTL 7200
 						MX		10 mail.m-labs-intl.com.
 						TXT		"v=spf1 mx -all"
 						TXT		"google-site-verification=BlQd5_5wWW7calKC7bZA0GdoxR8-zj4gwJEg9sGJ3l8"
+						CAA		0 issue "letsencrypt.org; accounturi=https://acme-v02.api.letsencrypt.org/acme/acct/1768317117"
 
 ns						A		94.190.212.123
 ns						AAAA	2001:470:18:390::2