[RT #13453]

                        DNAME was encountered when fetching glue from a
                        secure namespace. [RT #13501]

1805.   [bug]           Pending status was not being cleared when DLV was
                        active. [RT #13501]

                        and associated address records.

                        zone->db could change underneath it.  [RT #13511]

leak. [RT #13533]
(I won't update the CHANGES list, since it's an "internal" report, and this
code has never been available publically)