refine getDNS

go.mod

@@ -3,10 +3,16 @@ module github.com/honwen/aliyun-ddns-cli
 go 1.15
 
 require (
-	github.com/chenhw2/ip2loc v0.0.0-20210120021759-64a436340bbb // indirect
+	github.com/AdguardTeam/dnsproxy v0.34.1
+	github.com/ameshkov/dnscrypt/v2 v2.0.3 // indirect
 	github.com/denverdino/aliyungo v0.0.0-20210222084345-ddfe3452f5e8
-	github.com/honwen/ip2loc v0.0.0-20210120021759-64a436340bbb
-	github.com/miekg/dns v0.0.0-20210213184902-67bd57debd4a
+	github.com/honwen/ip2loc v0.0.0-20210223032431-a9b8294f2699
+	github.com/miekg/dns v1.1.38
 	github.com/rakyll/statik v0.1.7 // indirect
 	github.com/urfave/cli v1.22.5
+	golang.org/x/crypto v0.0.0-20210220033148-5ea612d1eb83 // indirect
+	golang.org/x/net v0.0.0-20210222171744-9060382bd457 // indirect
+	golang.org/x/sys v0.0.0-20210220050731-9a76102bfb43 // indirect
+	golang.org/x/text v0.3.5 // indirect
+	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
 )