diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/util/Utils.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/util/Utils.kt
index a7c2251e..60614886 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/util/Utils.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/util/Utils.kt
@@ -139,7 +139,7 @@ object Utils {
      */
     fun getRemoteDnsServers(): List<String> {
         val remoteDns = settingsStorage?.decodeString(AppConfig.PREF_REMOTE_DNS) ?: AppConfig.DNS_AGENT
-        val ret = remoteDns.split(",").filter { isPureIpAddress(it) || it.startsWith("https") }
+        val ret = remoteDns.split(",").filter { isPureIpAddress(it) || isCoreDNSAddress(it) }
         if (ret.isEmpty()) {
             return listOf(AppConfig.DNS_AGENT)
         }
@@ -159,7 +159,7 @@ object Utils {
      */
     fun getDomesticDnsServers(): List<String> {
         val domesticDns = settingsStorage?.decodeString(AppConfig.PREF_DOMESTIC_DNS) ?: AppConfig.DNS_DIRECT
-        val ret = domesticDns.split(",").filter { isPureIpAddress(it) || it.startsWith("https") }
+        val ret = domesticDns.split(",").filter { isPureIpAddress(it) || isCoreDNSAddress(it) }
         if (ret.isEmpty()) {
             return listOf(AppConfig.DNS_DIRECT)
         }
@@ -257,6 +257,10 @@ object Utils {
         return regV6.matches(addr)
     }
 
+    private fun isCoreDNSAddress(s: String): Boolean {
+        return s.startsWith("https") || s.startsWith("tcp") || s.startsWith("quic")
+    }
+
     /**
      * is valid url
      */
diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/util/V2rayConfigUtil.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/util/V2rayConfigUtil.kt
index 8b101310..689ec475 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/util/V2rayConfigUtil.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/util/V2rayConfigUtil.kt
@@ -277,7 +277,7 @@ object V2rayConfigUtil {
             val remoteDns = Utils.getRemoteDnsServers()
             if (v2rayConfig.inbounds.none { e -> e.protocol == "dokodemo-door" && e.tag == "dns-in" }) {
                 val dnsInboundSettings = V2rayConfig.InboundBean.InSettingsBean(
-                        address = if (remoteDns.first().startsWith("https")) "1.1.1.1" else remoteDns.first(),
+                        address = if (Utils.isPureIpAddress(remoteDns.first())) remoteDns.first() else "1.1.1.1",
                         port = 53,
                         network = "tcp,udp")
 
@@ -346,7 +346,7 @@ object V2rayConfigUtil {
                 if (routingMode == "2" || routingMode == "3") {
                     servers.add(V2rayConfig.DnsBean.ServersBean(domesticDns.first(), 53, geositeCn, geoipCn))
                 }
-                if (!domesticDns.first().startsWith("https")) {
+                if (Utils.isPureIpAddress(domesticDns.first())) {
                     v2rayConfig.routing.rules.add(0, V2rayConfig.RoutingBean.RulesBean(
                             type = "field",
                             outboundTag = AppConfig.TAG_DIRECT,
@@ -372,7 +372,7 @@ object V2rayConfigUtil {
                     hosts = hosts)
 
             // DNS routing
-            if (!remoteDns.first().startsWith("https")) {
+            if (Utils.isPureIpAddress(remoteDns.first())) {
                 v2rayConfig.routing.rules.add(0, V2rayConfig.RoutingBean.RulesBean(
                         type = "field",
                         outboundTag = AppConfig.TAG_AGENT,