From 91e739c91b430b2ad0b711eb5495c0c3016b1bd4 Mon Sep 17 00:00:00 2001
From: Simon Bruder <simon@sbruder.de>
Date: Tue, 11 Apr 2023 11:33:17 +0200
Subject: [PATCH] Fix resolving local names with resolved

---
 modules/default.nix | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/modules/default.nix b/modules/default.nix
index 212d97e..49f467c 100644
--- a/modules/default.nix
+++ b/modules/default.nix
@@ -128,8 +128,16 @@
         "de_DE.UTF-8/UTF-8"
       ]);
 
-      # Set systemd-resolved’s fallback to Quad9 (instead of cloudflare/google)
-      services.resolved.fallbackDns = [ "9.9.9.9" "149.112.112.112" "2620:fe::fe" "2620:fe::9" ];
+      services.resolved = {
+        # Set systemd-resolved’s fallback to Quad9 (instead of cloudflare/google)
+        fallbackDns = [ "9.9.9.9" "149.112.112.112" "2620:fe::fe" "2620:fe::9" ];
+        # Allow resolving single lable hostnames (e.g., hostnames on the local network)
+        llmnr = "false";
+        # resolved does not automatically append the search domain (for whatever reason)
+        extraConfig = ''
+          ResolveUnicastSingleLabel=yes
+        '';
+      };
     }
     (lib.mkIf config.sbruder.full {
       services.fwupd.enable = true;