fix: set default dns to 233.5.5.5

Closes: #861
Closes: #860
Closes: #859
Closes: #857
Closes: #856
Closes: #854
Closes: #853
Closes: #852
Closes: #850
Closes: #858

Author: purofle

app/src/main/java/io/nekohasekai/sagernet/database/DataStore.kt

@@ -2,13 +2,24 @@ package io.nekohasekai.sagernet.database
 
 import android.os.Binder
 import androidx.preference.PreferenceDataStore
-import io.nekohasekai.sagernet.*
+import io.nekohasekai.sagernet.CONNECTION_TEST_URL
+import io.nekohasekai.sagernet.GroupType
+import io.nekohasekai.sagernet.IPv6Mode
+import io.nekohasekai.sagernet.Key
+import io.nekohasekai.sagernet.TunImplementation
 import io.nekohasekai.sagernet.bg.BaseService
 import io.nekohasekai.sagernet.bg.VpnService
 import io.nekohasekai.sagernet.database.preference.OnPreferenceDataStoreChangeListener
 import io.nekohasekai.sagernet.database.preference.PublicDatabase
 import io.nekohasekai.sagernet.database.preference.RoomPreferenceDataStore
-import io.nekohasekai.sagernet.ktx.*
+import io.nekohasekai.sagernet.ktx.boolean
+import io.nekohasekai.sagernet.ktx.int
+import io.nekohasekai.sagernet.ktx.long
+import io.nekohasekai.sagernet.ktx.parsePort
+import io.nekohasekai.sagernet.ktx.string
+import io.nekohasekai.sagernet.ktx.stringSet
+import io.nekohasekai.sagernet.ktx.stringToInt
+import io.nekohasekai.sagernet.ktx.stringToIntIfExists
 import moe.matsuri.nb4a.TempDatabase
 
 object DataStore : OnPreferenceDataStoreChangeListener {
@@ -98,7 +109,7 @@ object DataStore : OnPreferenceDataStoreChangeListener {
     var showGroupInNotification by configurationStore.boolean("showGroupInNotification")
 
     var remoteDns by configurationStore.string(Key.REMOTE_DNS) { "https://dns.google/dns-query" }
-    var directDns by configurationStore.string(Key.DIRECT_DNS) { "https://120.53.53.53/dns-query" }
+    var directDns by configurationStore.string(Key.DIRECT_DNS) { "https://223.5.5.5/dns-query" }
     var enableDnsRouting by configurationStore.boolean(Key.ENABLE_DNS_ROUTING) { true }
     var enableFakeDns by configurationStore.boolean(Key.ENABLE_FAKEDNS)
 

app/src/main/res/xml/global_preferences.xml

@@ -177,7 +177,7 @@
             app:title="@string/domain_strategy_for_remote"
             app:useSimpleSummaryProvider="true" />
         <EditTextPreference
-            app:defaultValue="https://120.53.53.53/dns-query"
+            app:defaultValue="https://223.5.5.5/dns-query"
             app:icon="@drawable/ic_action_dns"
             app:key="directDns"
             app:title="@string/direct_dns"