Memory leak in error path.
Handle failure of hash_questions()
SERVFAIL is an expected error return, don't try all servers.
Terminate DS-search when reaching the root via cache entries.
Cache stats availble in CHAOS .bind domain.
Ensure ->sentto is valid for DNSSEC forwards. Otherwise retries SEGV.
Add --dnssec-no-timecheck
Log IPSET actions.
Fix ipsets logging patch.
Fix NXDOMAIN RCODE in auth PTR replies.
Merge branch 'master' into ASUSTomatomaster