diff --git a/ops/nixos/swann/default.nix b/ops/nixos/swann/default.nix
index 641f5017bd..b84150bfa7 100644
--- a/ops/nixos/swann/default.nix
+++ b/ops/nixos/swann/default.nix
@@ -433,7 +433,7 @@ in {
     enable = true;
     config = ''
       .:53 {
-        bind 192.168.1.1 92.118.30.17 192.168.10.1 127.0.0.53 2a09:a443::1 2a09:a443:1::1 2a09:a443:2::1 2a09:a443:3::1
+        bind 192.168.1.1 92.118.30.17 192.168.10.1 127.0.0.253 2a09:a443::1 2a09:a443:1::1 2a09:a443:2::1 2a09:a443:3::1
         acl {
           allow net 192.168.0.0/16 172.16.0.0/12 10.0.0.0/8 127.0.0.0/8 100.64.0.0/10 2a09:a443::/32 92.118.30.0/24
           block
@@ -459,7 +459,7 @@ in {
   };
   my.prometheus.additionalExporterPorts.coredns = 9153;
   networking.resolvconf.extraConfig = ''
-    name_servers='127.0.0.53'
+    name_servers='127.0.0.253'
   '';
 
   services.prometheus.exporters.smokeping = {