Knot Resolver 1.2.6 released

Knot Resolver 1.2.6 has been released.

Security

  • dnssec: don't set AD flag for NODATA answers if wildcard non-existence is not guaranteed due to opt-out in NSEC3

Improvements

  • layer/iterate: don't retry repeatedly if REFUSED

Bugfixes

  • lib/nsrep: revert some changes to NS reputation tracking that caused severe problems to some users of 1.2.5 (#178 and #179)
  • dnssec: fix verification of wildcarded non-singleton RRsets
  • dnssec: allow wildcards located directly under the root
  • layer/rrcache: avoid putting answer records into queries in some cases