diff --git a/nixos/dfinity.nix b/nixos/dfinity.nix
new file mode 100644
index 00000000..a47e5f5f
--- /dev/null
+++ b/nixos/dfinity.nix
@@ -0,0 +1,10 @@
+{
+  nix = {
+    trustedBinaryCaches = [ https://nix.oregon.dfinity.build ];
+    binaryCachePublicKeys = [ "hydra.oregon.dfinity.build-2:KMTixHrh9DpAjF/0xU/49VEtNuGzQ71YaVIUSOLUaCM=" ];
+  };
+
+  networking.extraResolvconfConf = ''
+    name_servers="10.20.13.192"
+  '';
+}
diff --git a/nixos/machines/dfinity-blade15.nix b/nixos/machines/dfinity-blade15.nix
index 5e363c4a..8383f8e3 100644
--- a/nixos/machines/dfinity-blade15.nix
+++ b/nixos/machines/dfinity-blade15.nix
@@ -7,6 +7,7 @@
   imports =
     [ <nixpkgs/nixos/modules/installer/scan/not-detected.nix>
     ../configuration.nix
+    ../dfinity.nix
     ];
 
   boot.initrd.availableKernelModules = [ "xhci_pci" "nvme" "usb_storage" "usbhid" "sd_mod" ];