diff --git a/nix/lib/dns.nix b/nix/lib/dns.nix
index 83b0621..1970fa7 100644
--- a/nix/lib/dns.nix
+++ b/nix/lib/dns.nix
@@ -123,19 +123,22 @@ rec {
       # `{ dn42 = { "...ip6.arpa" = "lo.core.zentralwerk.dn42"; }; }`
       reverseHosts6 = builtins.foldl' (result: net: lib.recursiveUpdate result (
         builtins.mapAttrs (ctx: hosts:
-          builtins.foldl' (result: host:
-            let
-              domain =
-                if ctx == "dn42"
-                then namedNets.${net}.domainName
-                else if builtins.match "up.*" ctx != null
-                then "${net}.zentralwerk.org"
-                else throw "Invalid IPv6 context: ${ctx}";
-            in
-              lib.recursiveUpdate result {
-                "${ipv6ToReverse hosts.${host}}" = "${host}.${domain}";
-              }
-          ) {} (builtins.attrNames hosts)
+          if ctx == "yggdrasil"
+          then {}
+          else
+            builtins.foldl' (result: host:
+              let
+                domain =
+                  if ctx == "dn42"
+                  then "${net}.zentralwerk.dn42"
+                  else if builtins.match "up.*" ctx != null
+                  then namedNets.${net}.domainName
+                  else throw "Invalid IPv6 context: ${ctx}";
+              in
+                lib.recursiveUpdate result {
+                  "${ipv6ToReverse hosts.${host}}" = "${host}.${domain}";
+                }
+            ) {} (builtins.attrNames hosts)
         ) namedNets.${net}.hosts6
       )) {} (builtins.attrNames namedNets);