diff --git a/config.go b/config.go
index 646ce86..a3c25df 100644
--- a/config.go
+++ b/config.go
@@ -73,6 +73,7 @@ func parseConfig() *Config {
 	flag.IntVar(&conf.DNSConfig.MinTTL, "dnsminttl", 0, "minimum TTL value for entries in the CACHE(seconds)")
 	flag.IntVar(&conf.DNSConfig.CacheSize, "dnscachesize", 4096, "size of CACHE")
 	flag.BoolVar(&conf.DNSConfig.CacheLog, "dnscachelog", false, "show query log of dns cache")
+	flag.BoolVar(&conf.DNSConfig.NoAAAA, "dnsnoaaaa", false, "disable AAAA query")
 	flag.StringSliceUniqVar(&conf.DNSConfig.Records, "dnsrecord", nil, "custom dns record, format: domain/ip")
 
 	// service configs
diff --git a/dns/client.go b/dns/client.go
index d58ac12..d8f98bc 100644
--- a/dns/client.go
+++ b/dns/client.go
@@ -27,6 +27,7 @@ type Config struct {
 	AlwaysTCP bool
 	CacheSize int
 	CacheLog  bool
+	NoAAAA    bool
 }
 
 // Client is a dns client struct.
@@ -65,6 +66,10 @@ func (c *Client) Exchange(reqBytes []byte, clientAddr string, preferTCP bool) ([
 		return nil, err
 	}
 
+	if c.config.NoAAAA && req.Question.QTYPE == QTypeAAAA {
+		return nil, errors.New("AAAA query is disabled, qname: " + req.Question.QNAME)
+	}
+
 	if req.Question.QTYPE == QTypeA || req.Question.QTYPE == QTypeAAAA {
 		if v, expired := c.cache.Get(qKey(req.Question)); len(v) > 2 {
 			v = valCopy(v)
diff --git a/go.mod b/go.mod
index 794935b..4054473 100644
--- a/go.mod
+++ b/go.mod
@@ -7,7 +7,7 @@ require (
 	github.com/dgryski/go-camellia v0.0.0-20191119043421-69a8a13fb23d
 	github.com/dgryski/go-idea v0.0.0-20170306091226-d2fb45a411fb
 	github.com/dgryski/go-rc2 v0.0.0-20150621095337-8a9021637152
-	github.com/insomniacslk/dhcp v0.0.0-20211214070828-5297eed8f489
+	github.com/insomniacslk/dhcp v0.0.0-20220119180841-3c283ff8b7dd
 	github.com/nadoo/conflag v0.2.3
 	github.com/nadoo/ipset v0.3.0
 	github.com/xtaci/kcp-go/v5 v5.6.1
diff --git a/go.sum b/go.sum
index da2c7f2..9db3bd0 100644
--- a/go.sum
+++ b/go.sum
@@ -39,8 +39,8 @@ github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
 github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
 github.com/hugelgupf/socketpair v0.0.0-20190730060125-05d35a94e714 h1:/jC7qQFrv8CrSJVmaolDVOxTfS9kc36uB6H40kdbQq8=
 github.com/hugelgupf/socketpair v0.0.0-20190730060125-05d35a94e714/go.mod h1:2Goc3h8EklBH5mspfHFxBnEoURQCGzQQH1ga9Myjvis=
-github.com/insomniacslk/dhcp v0.0.0-20211214070828-5297eed8f489 h1:jhdHqd7DxBrzfuFSoPxjD6nUVaV/1RIn9aHA0WCf/as=
-github.com/insomniacslk/dhcp v0.0.0-20211214070828-5297eed8f489/go.mod h1:h+MxyHxRg9NH3terB1nfRIUaQEcI0XOVkdR9LNBlp8E=
+github.com/insomniacslk/dhcp v0.0.0-20220119180841-3c283ff8b7dd h1:efcJu2Vzz6DoSq245deWNzTz6l/gsqdphm3FjmI88/g=
+github.com/insomniacslk/dhcp v0.0.0-20220119180841-3c283ff8b7dd/go.mod h1:h+MxyHxRg9NH3terB1nfRIUaQEcI0XOVkdR9LNBlp8E=
 github.com/jsimonetti/rtnetlink v0.0.0-20190606172950-9527aa82566a/go.mod h1:Oz+70psSo5OFh8DBl0Zv2ACw7Esh6pPUphlvZG9x7uw=
 github.com/jsimonetti/rtnetlink v0.0.0-20200117123717-f846d4f6c1f4/go.mod h1:WGuG/smIU4J/54PblvSbh+xvCZmpJnFgr3ds6Z55XMQ=
 github.com/jsimonetti/rtnetlink v0.0.0-20201009170750-9c6f07d100c1/go.mod h1:hqoO/u39cqLeBLebZ8fWdE96O7FxrAsRYhnVOdgHxok=