**Note**: Beyond PowerDNS 2.9.20, the Authoritative Server and Recursor are released separately.
# PowerDNS Recursor 4.0.1
-UNRELEASED
+Released July 29th 2016
-This release improves interoperability with DNSSEC clients that expect an AD-bit on validated data when they query with only the DO-bit set.
+This release has several improvements with regards to DNSSEC validation and it improves interoperability with DNSSEC clients that expect an AD-bit on validated data when they query with only the DO-bit set.
## Bug fixes
+ - [#4119](https://github.com/PowerDNS/pdns/pull/4119) Improve DNSSEC record skipping for non dnssec queries (Kees Monshouwer)
- [#4162](https://github.com/PowerDNS/pdns/pull/4162) Don't validate zones from the local auth store, go one level down while validating when there is a CNAME
- [#4187](https://github.com/PowerDNS/pdns/pull/4187):
* Don't go bogus on islands of security
* Check all possible chains for Insecures
* Don't go Bogus on a CNAME at the apex
+ - [#4215](https://github.com/PowerDNS/pdns/pull/4215) RPZ: default policy should also override local data RRs
+ - [#4243](https://github.com/PowerDNS/pdns/pull/4243) Fix a crash when the next name in a chained query is empty and `rec_control current-queries` is invoked
## Improvements
+ - [#4056](https://github.com/PowerDNS/pdns/pull/4056) OpenSSL 1.1.0 support (Christian Hofstaedtler)
+ - [#4140](https://github.com/PowerDNS/pdns/pull/4140) Fix warnings with gcc on musl-libc (James Taylor)
- [#4160](https://github.com/PowerDNS/pdns/pull/4160) Also validate on +DO
+ - [#4164](https://github.com/PowerDNS/pdns/pull/4164) Fail to start when the lua-dns-script does not exist
+ - [#4168](https://github.com/PowerDNS/pdns/pull/4168) Add more Netmask methods for Lua (Aki Tuomi)
+ - [#4210](https://github.com/PowerDNS/pdns/pull/4210) Validate DNSSEC for security polling
+ - [#4217](https://github.com/PowerDNS/pdns/pull/4217) Turn on root-nx-trust by default and log-common-errors=off
+ - [#4207](https://github.com/PowerDNS/pdns/pull/4207) Allow for multiple trust anchors per zone
+ - [#4242](https://github.com/PowerDNS/pdns/pull/4242) Fix compilation warning when building without Protobuf
# PowerDNS Recursor 4.0.0
Released July 11th 2016