diff --git a/dns/Dockerfile b/dns/Dockerfile
new file mode 100644
index 00000000..b4feddc1
--- /dev/null
+++ b/dns/Dockerfile
@@ -0,0 +1,3 @@
+FROM ubuntu
+EXPOSE 53/udp
+ADD ./dns /home/dns
diff --git a/dns/main.go b/dns/main.go
index f9182274..feab7ad1 100644
--- a/dns/main.go
+++ b/dns/main.go
@@ -80,5 +80,5 @@ func main() {
 
 	go dns.ActivateAndServe(nil, conn, MDNSServeMux)
 
-	dns.ListenAndServe(":5300", "udp", LocalServeMux)
+	dns.ListenAndServe(":53", "udp", LocalServeMux)
 }