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World Hosting Days & Private Graphs as a Service!

World Hosting Days & Private Graphs as a Service!

Hi everybody, Two announcements in one: First, like 7000 others, we’ll be visiting World Hosting Days in Rust, Germany next week. Peter, Pieter and I will be there, as will be two of our wonderful Certified Consu...

Introducing dnsdist: DNS, abuse- and DoS-aware query distribution for optimal performance

Introducing dnsdist: DNS, abuse- and DoS-aware query distribution for optim...

Over the years, PowerDNS users have frequently asked us about our preferred DNS load balancing solution, and we’ve never had a satisfying answer for that. Users of dedicated hardware often tell us that vendors sp...

Authoritative Server 3.4.3 released

Authoritative Server 3.4.3 released

Warning: Version 3.4.3 of the PowerDNS Authoritative Server is a major upgrade if you are coming from 2.9.x. Additionally, if you are coming from any 3.x version (including 3.3.1), there is a mandatory SQL schema...

From NOERROR to REFUSED

From NOERROR to REFUSED

Back in 2011, in the work leading up to the biggest release of the Authoritative Server so far (3.0, with DNSSEC), in an attempt to bring the rcode for a ‘dangling CNAME’ in line with BIND, by accident the rcode ...

PowerDNS development plans: 4.x DNSSEC, C++ 2011!

PowerDNS development plans: 4.x DNSSEC, C++ 2011!

In this post, we’d like to share our current plans for .. PowerDNS 4.x! We shared this first with the PowerDNS-development community, and after we gathered feedback, we’re now announcing it more broadly. The tl;d...

New PowerDNS employee, the importance of testing RCs, skipping 3.7.0, World Hosting Days 2015

New PowerDNS employee, the importance of testing RCs, skipping 3.7.0, World...

Hi everybody, Some assorted remarks & PowerDNS news: 1) New employee 2) Please test our release candidates 3) 3.7.0 has been skipped, all hail 3.7.1 4) World Hosting days in Germany New employee To start with...

PowerDNS Recursor 3.7.1 Released

PowerDNS Recursor 3.7.1 Released

Released February 12th, 2015. Download page. This version contains a mix of speedups and improvements, the combined effect of which is vastly improved resilience against traffic spikes and malicious query overloa...

Authoritative Server 3.4.2 Released

Authoritative Server 3.4.2 Released

Warning: Version 3.4.2 of the PowerDNS Authoritative Server is a major upgrade if you are coming from 2.9.x. Additionally, if you are coming from any 3.x version (including 3.3.1), there is a mandatory SQL schema...

An introduction to PowerDNS Recursor 3.7.0

An introduction to PowerDNS Recursor 3.7.0

Today we released the first Release Candidate (RC) of PowerDNS Recursor 3.7.0. And although we do document (almost) all of our features, documentation is not the same as effectively informing our users of what ou...

Diverting recursor-to-auth attacks

Diverting recursor-to-auth attacks

We get frequent reports from users/customers about various DNS-related attacks they are facing on either their authoritatives or recursors. This post focuses on one kind of attack that involves both. The attack w...