diff --git a/modules/tasks/network-interfaces.nix b/modules/tasks/network-interfaces.nix
index 27ca840ecdb6..aa13e19a1bdb 100644
--- a/modules/tasks/network-interfaces.nix
+++ b/modules/tasks/network-interfaces.nix
@@ -45,6 +45,15 @@ in
       '';
     };
 
+    networking.extraResolvConf = mkOption {
+      default = "";
+      example = "options timeout:1 attempts:6";
+      description = ''
+        Extra text to add to resolv.conf, additional to the
+        domain name and the nameservers.
+      '';
+    };
+
     networking.domain = mkOption {
       default = "";
       example = "home";