feat(mercury): set real IP 10.0.0.10; add services/unbound.nix recursive resolver

2026-07-13 20:01:55 +02:00
parent 894f88c71e
commit 587fcbfa3d
2 changed files with 37 additions and 3 deletions
@@ -0,0 +1,32 @@
+{ ... }:
+
+# Local recursive DNS resolver (privacy + DNSSEC). Your adblock DNS
+# (pihole/AdGuard) forwards to this instead of a public upstream.
+# Listens on 127.0.0.1:5335 — point the adblock engine's upstream there:
+#   AdGuard:  dns.upstream_dns = [ "127.0.0.1:5335" ];
+#   pihole:   upstream = "127.0.0.1#5335";
+{
+  services.unbound = {
+    enable = true;
+    # NixOS manages the DNSSEC root trust anchor (unbound-anchor).
+    settings.server = {
+      interface = [ "127.0.0.1" ];
+      port = 5335;
+      access-control = [ "127.0.0.0/8 allow" ];
+
+      do-ip6 = "no";              # flip to yes if you resolve over IPv6
+      prefer-ip6 = "no";
+
+      # Privacy / hardening (standard pi-hole+unbound guide).
+      hide-identity = true;
+      hide-version = true;
+      harden-glue = true;
+      harden-dnssec-stripped = true;
+      use-caps-for-id = false;
+      qname-minimisation = true;
+
+      edns-buffer-size = 1232;
+      prefetch = true;
+    };
+  };
+}