Merge pull request 'fix(tailscale-router): stop dnsmasq from intercepting host DNS queries' (#79) from worktree-peaceful-stirring-noodle into main

Reviewed-on: #79

modules/tailscale/ts-dns-forwarder.nix

@@ -19,6 +19,14 @@
   # tailnet-specific subdomain (vars.tailnetDomain) instead.
   services.dnsmasq = {
     enable = true;
+    # NixOS's dnsmasq module defaults resolveLocalQueries to true, which adds
+    # 127.0.0.1 to networking.nameservers and makes dnsmasq bind to
+    # listen-address=127.0.0.1. This instance is not the host's local
+    # resolver — it only serves IPA's conditional forwarder for tailnet names.
+    # The host uses domainControllerIp directly (networking.nameservers in
+    # host.nix). Without this, all host DNS goes through dnsmasq, which has
+    # no upstream for general queries (no-resolv=true), breaking resolution.
+    resolveLocalQueries = false;
     settings = {
       # Listen only on the LAN interface — not tailscale0 or loopback.
       # bind-interfaces prevents dnsmasq from binding to 0.0.0.0 and