dns: restore dns query cache ttl

Ethan-Arrowood · ronag · RafaelGSS · commit 8b4bacdf1a58 · 2025-05-02T17:06:06.000-03:00
Fixes: #57636 Co-authored-by: Robert Nagy <ronagy@icloud.com> PR-URL: #57640 Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Robert Nagy <ronagy@icloud.com> Reviewed-By: Tim Perry <pimterry@gmail.com> Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: James M Snell <jasnell@gmail.com>
diff --git a/src/cares_wrap.cc b/src/cares_wrap.cc
@@ -778,6 +778,7 @@ void ChannelWrap::Setup() {
   options.sock_state_cb_data = this;
   options.timeout = timeout_;
   options.tries = tries_;
+  options.qcache_max_ttl = 0;
 
   int r;
   if (!library_inited_) {
