nameservers/recursive: Prefetch to keep cache up to date

modules/nixos/networking/underlay.nix

@@ -56,11 +56,6 @@ in
             Gateway = cfg.gateway;
             GatewayOnLink = true;
           };
-          dns = lib.mkIf (!cfg.useDhcp) [
-            "1.1.1.1#cloudflare-dns.com"
-            "8.8.8.8#dns.google"
-            "9.9.9.9#dns.quad9.net"
-          ];
         };
       };
 

modules/nixos/services/nameservers/recursive.nix

@@ -31,6 +31,7 @@ in
             settings.server = {
               interface = [ "${netCfg.overlay.address}@${toString cfg.port}" ];
               access-control = [ "${toString netCfg.overlay.networkCidr} allow" ];
+              prefetch = true;
             };
           };
 

modules/nixos/services/nebula/default.nix

@@ -133,7 +133,6 @@ in
         address = [ netCfg.overlay.cidr ];
         dns = netCfg.overlay.dnsServers;
         domains = [ netCfg.overlay.domain ];
-        networkConfig.DNSSEC = false;
       };
     };
   };