diff --git a/services/pihole.nix b/services/pihole.nix
index a0b547f..28993e2 100644
--- a/services/pihole.nix
+++ b/services/pihole.nix
@@ -25,6 +25,13 @@
       dns = {
         upstreams = [ "127.0.0.1#5335" ];   # local unbound (recursive)
         domain = "sol";                       # local domain -> jupiter.sol etc.
+        # Local A records (/etc/hosts style). mercury is the DHCP server (no
+        # lease of its own), so its name must be declared here. jupiter is also
+        # pinned explicitly so it resolves regardless of lease state.
+        hosts = [
+          "10.0.0.10 mercury.sol mercury"
+          "10.0.0.20 jupiter.sol jupiter"
+        ];
       };
 
       dhcp = {