+6126. [cleanup] Deprecate zone type "delegation-only" and the
+ "delegation-only" and "root-delegation-only"
+ options. [GL #3953]
+
6125. [bug] Hold a catz reference while the update process is
running, so that the catalog zone is not destroyed
during shutdown until the update process is finished or
- None.
+- Zone type ``delegation-only``, and the ``delegation-only`` and
+ ``root-delegation-only`` options, have been deprecated; a warning will
+ be logged when they are used.
+
+ These options were created to address the SiteFinder controversy, in
+ which certain top-level domains redirected misspelled queries to other
+ sites instead of returning NXDOMAIN responses. Since top-level domains are
+ now DNSSEC signed, and DNSSEC validation is active by default, the
+ options are no longer needed. :gl:`#3953`
+
Feature Changes
~~~~~~~~~~~~~~~