No, client-side DNS cacheing should not be on by default.

diff --git a/src/or/config.c b/src/or/config.c
index 23edd3a503806e0c8c4f731eccd26015c3964fed..1995cb750f3ff53a2aca83936a4973178acc5171 100644 (file)
--- a/src/or/config.c
+++ b/src/or/config.c
@@ -6091,8 +6091,8 @@ parse_unix_socket_config(smartlist_t *out, smartlist_t *defaults,
 
         port->entry_cfg.ipv4_traffic = 1;
         port->entry_cfg.ipv6_traffic = 1;
-        port->entry_cfg.cache_ipv4_answers = 1;
-        port->entry_cfg.cache_ipv6_answers = 1;
+        port->entry_cfg.cache_ipv4_answers = 0;
+        port->entry_cfg.cache_ipv6_answers = 0;
       }
       smartlist_add(ports_to_add, port);
     } else {