Welcome to the PowerDNS Blog
Goodbye DNS, Goodbye PowerDNS!
After over 20 years of DNS and PowerDNS, I am moving on. Separate from this page, I am releasing a series of three huge posts on the history of PowerDNS, so I won’t dwell too much on that here. This is not an eas...
PowerDNS Recursor 4.4.1 and 4.3.6 Released
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,...
Authoritative 4.4.0-beta1
Hello! we are very happy to announce version 4.4.0-beta1 of the Authoritative Server. This release drops GSS/TSIG support, please see PowerDNS Security Advisory 2020-06. Version 4.4.0 brings a bunch of exciting c...
PowerDNS Recursor and the SAD DNS attack
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. ...
Authoritative 4.4.0-alpha3
Hello! we are very happy to announce version 4.4.0-alpha3 of the Authoritative Server. (A painful bug in the LMDB backend was found just as we started the Alpha 2 release process, so we decided to skip right on t...
Release of PowerDNS Recursor 4.4.0
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...
PowerDNS Recursor 4.3.5, 4.2.5 and 4.1.18 Released
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...
Second Release Candidate of PowerDNS Recursor 4.4.0
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. ...
Authoritative 4.4.0-alpha1
Hello! we are very happy to announce version 4.4.0-alpha1 of the Authoritative Server. This release drops GSS/TSIG support, please see PowerDNS Security Advisory 2020-06. Version 4.4.0 brings a bunch of exciting ...
DNSDist 1.5.1 released
This release fixes a few issues discovered since 1.5.0: the thread handling responses sent from a backend was not stopped when that backend was removed ; getEDNSOptions() would throw an exception for queries with...