diff --git a/easytier/src/dns/server.rs b/easytier/src/dns/server.rs
index 2f9ebbc9..b12229b1 100644
--- a/easytier/src/dns/server.rs
+++ b/easytier/src/dns/server.rs
@@ -264,7 +264,7 @@ impl DnsServer {
 impl Drop for DnsServer {
     fn drop(&mut self) {
         tracing::info!("DnsServer is dropped");
-        // TODO: remove addresses
+        self.addresses.write().clear();
     }
 }