Welcome to the PowerDNS Blog

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...

Peter van Dijk on Feb 01, 2019

The 4.2.0 release of the PowerDNS Recursor brings a lot of small, incremental changes over the 4.1.x releases. We expect little operational impact when upgrading from 4.1.x. However, several new features have bee...

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 ...

Remi Gacogne on Jan 21, 2019

We are very happy to announce the 4.1.9 release of the PowerDNS Recursor. This release is fixing two security issues, and addressing a shortcoming in the way incoming queries are distributed to threads under heav...

Peter van Dijk on Dec 12, 2018

We are very happy to announce that PowerDNS recently joined the OSS-Fuzz initiative, enabling continuous fuzzing for critical parts of our products. We are taking this opportunity to share some of our existing se...

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...

Pieter Lexis on Nov 09, 2018

Today we have released the PowerDNS Recursor 4.1.7. It is an update to relax EDNS compliance requirements from upstream authoritative servers. Recursor version 4.1.5 (and, by extension, 4.1.6), contains a fix for...

Pieter Lexis on Nov 07, 2018

We have just released the PowerDNS Recursor 4.1.6. This release fixes an issue with DNSSEC validation introduced in Recursor 4.1.5 by reverting a code-change related to the acceptation of ADDITIONAL records. We w...

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...