Welcome to the PowerDNS Blog

PowerDNS Recursor 4.4.2 Released

Otto Moerbeek on Dec 14, 2020

Hello! Today we are releasing PowerDNS Recursor 4.4.2. This release fixes a bug where the wrong type could be used while verifying DNSSEC signatures, causing domains to be incorrectly marked as Bogus. Additionall...

Read Full Blog Post

PowerDNS Recursor 4.4.1 and 4.3.6 Released

Otto Moerbeek on Nov 25, 2020

Hello!, Today we are releasing PowerDNS Recursor 4.4.1 and 4.3.6. These releases fix a bug where a reply from an authoritative server could get lost, causing timeouts or ServFail answers to clients. Additionally,...

Read Full Blog Post

PowerDNS Recursor and the SAD DNS attack

Peter van Dijk on Nov 17, 2020

Short version: the PowerDNS Recursor already implements mitigations to the SAD DNS attack. However, our users will likely be vulnerable to the most complex variant of the attack, which exploits kernel behaviour. ...

Read Full Blog Post

Release of PowerDNS Recursor 4.4.0

Otto Moerbeek on Oct 19, 2020

Hello! We are proud to announce the release of PowerDNS Recursor 4.4.0. Compared to the last release candidate, this release contains a fix for the cache pollution issue described in security advisory 2020-07. Pl...

Read Full Blog Post

PowerDNS Recursor 4.3.5, 4.2.5 and 4.1.18 Released

Otto Moerbeek on Oct 13, 2020

Hello!, Today we are releasing PowerDNS Recursor 4.3.5, 4.2.5. and 4.1.18, containing a security fix for CVE-2020-25829: An issue has been found in PowerDNS Recursor where a remote attacker can cause the cached r...

Read Full Blog Post

Second Release Candidate of PowerDNS Recursor 4.4.0

Otto Moerbeek on Oct 06, 2020

Hello! We are proud to announce the second release candidate of what should become PowerDNS Recursor 4.4.0. Compared to the first release candidate, this release contains a few enhancements and fixes a few bugs. ...

Read Full Blog Post

First Release Candidate of PowerDNS Recursor 4.4.0

Erik Winkels on Sep 21, 2020

Hello! We are proud to announce the first release candidate of what should become PowerDNS Recursor 4.4.0. Compared to the beta release, this release fixes two bugs: • Only do QName Minimization for the names ins...

Read Full Blog Post

PowerDNS Recursor 4.3.4 Released

Otto Moerbeek on Sep 08, 2020

Hello!, Today we are releasing PowerDNS Recursor 4.3.4. This release: fixes an issue where certain CNAMEs could lead to resolver failure, fixes an issue with the hostname reported in Carbon messages, allows for m...

Read Full Blog Post

First Beta Release of PowerDNS Recursor 4.4.0

Otto Moerbeek on Aug 31, 2020

Hello!, We are proud to announce the first beta release of what should become PowerDNS Recursor 4.4.0. Compared to the last alpha release, this release contains new features with respect to RPZ processing (in par...

Read Full Blog Post

Second Alpha Release of PowerDNS Recursor 4.4.0

Otto Moerbeek on Jul 20, 2020

Hello!, We are proud to announce the second alpha release of what should become PowerDNS Recursor 4.4.0. Compared to the first alpha release, this release mostly contains bug fixes and code cleanup. In particular...

Read Full Blog Post