diff --git a/nixbld-etc-nixos/named/m-labs.hk b/nixbld-etc-nixos/named/m-labs.hk
index f20ff74e..e734576d 100644
--- a/nixbld-etc-nixos/named/m-labs.hk
+++ b/nixbld-etc-nixos/named/m-labs.hk
@@ -1,14 +1,14 @@
 $TTL 7200
 
-@						SOA	42-200-147-171.static.imsbiz.com. sb.m-labs.hk. (
-							2022121001
+@						SOA	NS.XN--WBTZ5WPQAJ35CFXC.XN--J6W193G. sb.m-labs.hk. (
+							2023011602
 							7200
 							3600
 							86400
 							600)
 
 
-						NS		42-200-147-171.static.imsbiz.com.
+						NS		NS.XN--WBTZ5WPQAJ35CFXC.XN--J6W193G.
 						NS		ns1.qnetp.net.
 
 						A		42.200.147.171