'setup_delegation' depends on 'foundname' being the value returned by 'dns_rbt_findnode' in the cache and 'find_coveringnsec' was modifying 'foundname' when a covering NSEC was not found.
'setup_delegation' depends on 'foundname' being the value returned by 'dns_rbt_findnode' in the cache and 'find_coveringnsec' was modifying 'foundname' when a covering NSEC was not found.