From 1da9d42065d712ca68d44a0386f8477181ac103c Mon Sep 17 00:00:00 2001
From: Daniel Gultsch <daniel@gultsch.de>
Date: Tue, 24 Oct 2023 19:16:47 +0200
Subject: [PATCH] retrieve DNS response from cache

---
 src/main/java/de/gultsch/minidns/AndroidDNSClient.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/main/java/de/gultsch/minidns/AndroidDNSClient.java b/src/main/java/de/gultsch/minidns/AndroidDNSClient.java
index d47430339..047799815 100644
--- a/src/main/java/de/gultsch/minidns/AndroidDNSClient.java
+++ b/src/main/java/de/gultsch/minidns/AndroidDNSClient.java
@@ -70,6 +70,9 @@ public class AndroidDNSClient extends AbstractDNSClient {
         for (final DNSServer dnsServer : getDNSServers()) {
             final QuestionServerTuple cacheKey = new QuestionServerTuple(dnsServer, question);
             final DNSMessage cachedResponse = queryCache(cacheKey);
+            if (cachedResponse != null) {
+                return cachedResponse;
+            }
             final DNSMessage response = this.networkDataSource.query(question, dnsServer);
             if (response == null) {
                 continue;