3434. [bug] Pass client info to the DLZ findzone() entry point in addition to lookup(). This makes it possible for a database to answer differently whether it's authoritative for a name depending on the address of the client. [RT #31775] 3433. [bug] dlz_findzone() did not correctly handle ISC_R_NOMORE. [RT #31172] 3375. [bug] 'rndc dumpdb' failed on empty caches. [RT #30808] 3324. [test] Add better tests for ADB stats [RT #27057] 3316. [tuning] Improved locking performance when recursing. [RT #28836] 3315. [tuning] Use multiple dispatch objects for sending upstream queries; this can improve performance on busy multiprocessor systems by reducing lock contention. [RT #28605]