diff --git a/doh-client/client.go b/doh-client/client.go
index 33e0306..1eb30a7 100644
--- a/doh-client/client.go
+++ b/doh-client/client.go
@@ -123,7 +123,15 @@ func (c *Client) handlerFunc(w dns.ResponseWriter, r *dns.Msg, isTCP bool) {
 		requestURL += fmt.Sprintf("&edns_client_subnet=%s/%d", ednsClientAddress.String(), ednsClientNetmask)
 	}
 
-	resp, err := http.Get(requestURL)
+	req, err := http.NewRequest("GET", requestURL, nil)
+	if err != nil {
+		log.Println(err)
+		reply.Rcode = dns.RcodeServerFailure
+		w.WriteMsg(reply)
+		return
+	}
+	req.Header.Set("User-Agent", "DNS-over-HTTPS/1.0 (+https://github.com/m13253/dns-over-https)")
+	resp, err := http.DefaultClient.Do(req)
 	if err != nil {
 		log.Println(err)
 		reply.Rcode = dns.RcodeServerFailure
diff --git a/doh-server/server.go b/doh-server/server.go
index b45726f..0827c16 100644
--- a/doh-server/server.go
+++ b/doh-server/server.go
@@ -79,6 +79,8 @@ func (s *Server) Start() error {
 
 func (s *Server) handlerFunc(w http.ResponseWriter, r *http.Request) {
 	w.Header().Set("Content-Type", "application/json; charset=UTF-8")
+	w.Header().Set("Server", "DNS-over-HTTPS/1.0 (+https://github.com/m13253/dns-over-https)")
+	w.Header().Set("X-Powered-By", "DNS-over-HTTPS/1.0 (+https://github.com/m13253/dns-over-https)")
 
 	name := r.FormValue("name")
 	if name == "" {