Docs indicate that it defaults to "no", while it actually
defaults to "yes".
## `out-of-zone-additional-processing`
* Boolean
-* Default: no
+* Default: yes
Do out of zone additional processing. This means that if a malicious user adds a
'.com' zone to your server, it is not used for other domains and will not
contaminate answers. Do not enable this setting if you run a public DNS service
with untrusted users.
+The docs had previously indicated that the default was "no", but the default has
+been "yes" since 2005.
+
## `pipebackend-abi-version`
* Integer
* Default: 1