diff --git a/dns/transport/hosts/hosts.go b/dns/transport/hosts/hosts.go
index 773a1d2a..f13e85ae 100644
--- a/dns/transport/hosts/hosts.go
+++ b/dns/transport/hosts/hosts.go
@@ -2,6 +2,7 @@ package hosts
 
 import (
 	"context"
+	"net/netip"
 	"os"
 
 	"github.com/sagernet/sing-box/adapter"
@@ -9,6 +10,8 @@ import (
 	"github.com/sagernet/sing-box/dns"
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
+	"github.com/sagernet/sing/common/json/badjson"
+	"github.com/sagernet/sing/common/json/badoption"
 	"github.com/sagernet/sing/service/filemanager"
 
 	mDNS "github.com/miekg/dns"
@@ -22,7 +25,8 @@ var _ adapter.DNSTransport = (*Transport)(nil)
 
 type Transport struct {
 	dns.TransportAdapter
-	files []*File
+	files      []*File
+	predefined badjson.TypedMap[string, badoption.Listable[netip.Addr]]
 }
 
 func NewTransport(ctx context.Context, logger log.ContextLogger, tag string, options option.HostsDNSServerOptions) (adapter.DNSTransport, error) {
@@ -37,6 +41,7 @@ func NewTransport(ctx context.Context, logger log.ContextLogger, tag string, opt
 	return &Transport{
 		TransportAdapter: dns.NewTransportAdapter(C.DNSTypeHosts, tag, nil),
 		files:            files,
+		predefined:       options.Predefined,
 	}, nil
 }
 
@@ -47,6 +52,10 @@ func (t *Transport) Exchange(ctx context.Context, message *mDNS.Msg) (*mDNS.Msg,
 	question := message.Question[0]
 	domain := dns.FqdnToDomain(question.Name)
 	if question.Qtype == mDNS.TypeA || question.Qtype == mDNS.TypeAAAA {
+		if addresses, ok := t.predefined.Get(domain); ok {
+			return dns.FixedResponse(message.Id, question, addresses, C.DefaultDNSTTL), nil
+		}
+
 		for _, file := range t.files {
 			addresses := file.Lookup(domain)
 			if len(addresses) > 0 {
diff --git a/dns/transport/hosts/hosts_file.go b/dns/transport/hosts/hosts_file.go
index 7ff34f69..84d7316c 100644
--- a/dns/transport/hosts/hosts_file.go
+++ b/dns/transport/hosts/hosts_file.go
@@ -9,8 +9,6 @@ import (
 	"strings"
 	"sync"
 	"time"
-
-	"github.com/miekg/dns"
 )
 
 const cacheMaxAge = 5 * time.Second
@@ -91,8 +89,9 @@ func (f *File) update() {
 			continue
 		}
 		for index := 1; index < len(fields); index++ {
-			canonicalName := dns.CanonicalName(fields[index])
-			byName[canonicalName] = append(byName[canonicalName], addr)
+			// canonicalName := dns.CanonicalName(fields[index])
+			domain := fields[index]
+			byName[domain] = append(byName[domain], addr)
 		}
 	}
 	f.expire = now.Add(cacheMaxAge)
diff --git a/dns/transport/hosts/hosts_test.go b/dns/transport/hosts/hosts_test.go
index 944aa437..3ae160b7 100644
--- a/dns/transport/hosts/hosts_test.go
+++ b/dns/transport/hosts/hosts_test.go
@@ -11,6 +11,6 @@ import (
 
 func TestHosts(t *testing.T) {
 	t.Parallel()
-	require.Equal(t, []netip.Addr{netip.AddrFrom4([4]byte{127, 0, 0, 1}), netip.IPv6Loopback()}, hosts.NewFile("testdata/hosts").Lookup("localhost."))
-	require.NotEmpty(t, hosts.NewFile(hosts.DefaultPath).Lookup("localhost."))
+	require.Equal(t, []netip.Addr{netip.AddrFrom4([4]byte{127, 0, 0, 1}), netip.IPv6Loopback()}, hosts.NewFile("testdata/hosts").Lookup("localhost"))
+	require.NotEmpty(t, hosts.NewFile(hosts.DefaultPath).Lookup("localhost"))
 }