Welcome to the PowerDNS Blog
How to talk to an open source software project as a large scale or otherwis...
The very short version: if you contact an open source project anonymously, you may not get the best help. Feel free to also reach out privately and share that your post from gmail.com is actually (say) from a ver...
On PowerDNS.COM and Express PowerDNS.NET Hosting by Trilab
Hi everybody, This post serves to clarify why we (‘PowerDNS.COM’) can’t help you with issues with Express PowerDNS.NET hosting by Trilab. The short version is: they are a fully different company, and we have no a...
Authoritative Server Database Schema Changes
A heads-up for everybody running (git) snapshots of the PowerDNS Authoritative Server: earlier today we merged Pull #1327 from Kees Monshouwer. This merge deprecates the ‘old’ (pre-DNSSEC) schema for the gsql bac...
Further DoS guidance, packages and patches available
Hi everybody, Sadly, further DoS attacks are plaguing the world of DNS, which is bad for the targets of those DoS attacks, but also for us DNS operators that help originate them. This post has guidance on how to ...
Related to recent DoS attacks: Recursor configuration file guidance
Hi everybody, Over the past week we’ve been contacted by a few users reporting their PowerDNS Recursor became unresponsive under a moderate denial of service attack, one which PowerDNS should be expected to weath...
PowerDNS Authoritative Server version 3.3.1
Warning Version 3.3.1 of the PowerDNS Authoritative Server is a major upgrade if you are coming from 2.9.x. There are also some important changes if you are coming from 3.0, 3.1 or 3.2. Please refer to Section 1,...
On Ragel and char types
In which I spend a lot of time proving a platform difference is not actually a platform difference, and eventually end up proven wrong. PowerDNS make check/testrunner output on Debian 7.0/s390x: test-dnsrecords_c...
Recursor 3.5.3 released
Downloads: Official download page native RHEL5/6 packages from Kees Monshouwer This is a bugfix and performance update to 3.5.2. It brings serious performance improvements for dual stack users. Changes since 3.5....
DNSSEC validation for the Recursor
The PowerDNS Recursor has a proven track record — it has been serving recursive answers for millions of users for many years, with very few complaints. To preserve this robustness that people have come to rely on...
Authoritative Server 3.3 released!
Downloads: Official download page native RHEL5/6 packages from Kees Monshouwer This a stability, bugfix and conformity update to 3.2. It improves interoperability with various validators, either through bugfixes ...