1 files changed, 8 insertions, 0 deletions

diff --git a/zdnsrc b/zdnsrc
index 449a2b3..35daa0b 100644
--- a/zdnsrc
+++ b/zdnsrc
@@ -14,6 +14,14 @@
 #
 # cache_size = 4096
 
+# Cache pre-fetching.
+#
+# If enabled, cached entries will be re-resolved asynchronously. Note that this
+# may lead to slightly stale entries, but cached requests will never block
+# waiting for the upstream resolver.
+#
+# cache_prefetch = false
+
 # Upstream DNS servers to use when answering queries.
 #
 # The default is Cloudflare DNS servers, which support DNS-over-TLS.