We are proud to announce the release of PowerDNS Recursor 4.4.6. This release contains fixes to the way RPZ updates are handled and a fix to a case where traffic to a forwarder could be throttled while it should ...

5G networks are installed in large numbers worldwide and the number of 5G subscribers is continuously increasing. These users benefit from the availability of 5G by being able to take full advantage of IoT device...

We are proud to announce the first alpha release of PowerDNS Recursor 4.6.0. Compared to the previous major (4.5) release of PowerDNS Recursor, this release contains two major sets of changes: a rewrite of the ou...

We are proud to announce the release of PowerDNS Recursor 4.4.5. and 4.5.5. Both releases contain an improvement to work around broken authoritative servers sending replies without the “authoritative answer” (AA)...

We are proud to announce the release of PowerDNS Recursor 4.5.4. This release contains a fix to an issue where the answer to a non-existent DS query was missing a SOA record. In particular this can be a problem i...

Open-Xchange recently announced its support for the European Resolver Policy, an industry initiative to provide more transparency and reliability around the operation of DNS resolvers in Europe.

We are proud to announce the release of PowerDNS Recursor 4.4.4. and 4.5.2. Both releases contain mostly smaller bug fixes. For the 4.5.2 release the default value of nsec3-max-iterations has been lowered to 150,...

We have been getting questions about “DNS Server Cache Snooping Remote Information Disclosure” attacks lately, mostly coming from reports generated by one very popular security scanner: DNS Server Cache Snooping ...

We are proud to announce the release of PowerDNS Recursor 4.5.1. Compared to the release candidate, this release contains two bug fixes. Note that 4.5.0 was never released publicly, since an issue was found durin...

Recently, the TsuNAME vulnerability was published. It concerns DNS recursors endlessly querying authoritative nameservers if the nameservers listed in the domains form a loop. The researchers contacted us before ...