Welcome to the PowerDNS Blog

Erik Winkels on May 21, 2019

This is a maintenance release to optionally reduce the performance impact of memory-statistics collection and a fix in the DNSSEC processing of wildcard records. The changelog: #7673: Add the disable-real-memory-...

Erik Winkels on May 07, 2019

The Beta 1 release comes with a lot of bug fixes, improvements and also some new features: Add a new max-cache-bogus-ttl option to cap the TTL of a record that has been validated as Bogus in the query cache, so i...

Erik Winkels on Apr 03, 2019

This is a maintenance release with improvements for high-performance sites (and a wild bug fix appeared). The changelog: #7634: Use a bounded load-balancing algo to distribute queries. #7651: Implement a configur...

Erik Winkels on Feb 01, 2019

Since Spectre / Meltdown, system calls have become more expensive. In addition, relevant versions of glibc turn out to implement pthread_cond_wait and pthread_cond_signal in such a way that they use multiple syst...

Erik Winkels on Jan 24, 2019

This release is only relevant when building PowerDNS Recursor from source with protobuf support disabled. Release 4.1.10 fixes a bug where the recursor would not build when one had protobuf support disabled. The ...

Erik Winkels on Nov 26, 2018

We’ve released PowerDNS Recursor 4.1.8. This release fixes Security Advisory 2018-09 that we recently discovered, affecting PowerDNS Recursor from 4.1.0 up to and including 4.1.7. PowerDNS Recursor 4.0.x and belo...

Erik Winkels on Nov 06, 2018

We’ve released PowerDNS Authoritative Server 4.0.6 & 4.1.5 and Recursor 4.0.9 & 4.1.5. These are security releases with additional minor improvements and bug fixes. Minimal patches for the releases are av...

Erik Winkels on Mar 29, 2018

This release improves the stability and resiliency of the RPZ implementation and fixes several issues related to EDNS Client Subnet. The full changelog looks like this: New Features #6344: Add FFI version of gett...

Erik Winkels on Jan 22, 2018

This is the second release in the 4.1 train with a fix for the following DNSSEC security advisory: PowerDNS Security Advisory 2018-01: Correctly handle ancestor delegation NSEC{,3} for children (CVE-2018-1000003)...

Erik Winkels on Dec 11, 2017

Today we announce the release of the PowerDNS Recursor 4.0.8 which contains a fix for the following security advisory: PowerDNS Security Advisory 2017-08: Crafted CNAME answer can cause a denial of service (CVE-2...