Document the extra allowance in case of qname-minimization fallback.

(cherry picked from commit b2090adc7631d96c6c21eaf8086747639f75c572)

diff --git a/pdns/recursordist/docs/settings.rst b/pdns/recursordist/docs/settings.rst
index 85b3bdda0cbfac3fd815a6ed602c2bf15894fbd2..b86f7b092b4594572ea102c0bc0f8f2d6ab613d5 100644 (file)
--- a/pdns/recursordist/docs/settings.rst
+++ b/pdns/recursordist/docs/settings.rst
@@ -955,6 +955,8 @@ This setting, which defaults to 3600 seconds, puts a maximum on the amount of ti
 Total maximum number of internal recursion calls the server may use to answer a single query.
 0 means unlimited.
 The value of `stack-size`_ should be increased together with this one to prevent the stack from overflowing.
+If `qname-minimization`_ is enabled, the fallback code in case of a failing resolve is allowed an additional `max-recursion-depth/2`.
+
 
 .. versionchanged:: 4.1.0