diff --git a/doh-client/doh-client.conf b/doh-client/doh-client.conf
index eecac7b..da003a8 100644
--- a/doh-client/doh-client.conf
+++ b/doh-client/doh-client.conf
@@ -7,7 +7,7 @@ upstream_google = [
     "https://dns.google.com/resolve",
 ]
 upstream_ietf = [
-    "https://dns.google.com/experimental",
+    #"https://dns.google.com/experimental",
 ]
 
 # Bootstrap DNS server to resolve the address of the upstream resolver