diff --git a/engine/userguide/networking/configure-dns.md b/engine/userguide/networking/configure-dns.md
index 19726b6692..42025d0a3c 100644
--- a/engine/userguide/networking/configure-dns.md
+++ b/engine/userguide/networking/configure-dns.md
@@ -131,3 +131,5 @@ IPv6 Google DNS nameservers will also be added (2001:4860:4860::8888 and
 > **Note**: If you need access to a host's localhost resolver, you must modify
 > your DNS service on the host to listen on a non-localhost address that is
 > reachable from within the container.
+
+> **Note**: The DNS server is always at `127.0.0.11`.
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