diff --git a/app/dns/server.go b/app/dns/server.go
index de831fe5e..d93b7af37 100644
--- a/app/dns/server.go
+++ b/app/dns/server.go
@@ -7,11 +7,11 @@ import (
 	"sync"
 	"time"
 
-	"github.com/miekg/dns"
 	"v2ray.com/core"
 	"v2ray.com/core/common"
 	"v2ray.com/core/common/net"
 	"v2ray.com/core/common/strmatcher"
+	"v2ray.com/core/features/dns"
 )
 
 type Server struct {
diff --git a/dns.go b/dns.go
index 349e89077..34fbe1361 100644
--- a/dns.go
+++ b/dns.go
@@ -1,10 +1,10 @@
 package core
 
 import (
-	"net"
 	"sync"
 
 	"v2ray.com/core/common"
+	"v2ray.com/core/common/net"
 	"v2ray.com/core/features/dns"
 )
 
diff --git a/features/dns/client.go b/features/dns/client.go
index e1ab41347..70adc064b 100644
--- a/features/dns/client.go
+++ b/features/dns/client.go
@@ -1,8 +1,7 @@
 package dns
 
 import (
-	"net"
-
+	"v2ray.com/core/common/net"
 	"v2ray.com/core/features"
 )