Håkan is a software engineer and DNS fanatic from Sweden. He occasionally blogs about software, networking and related topics.

recent articles

Dnsdist with both authoritative and recursive services

dns dnsdist powerdns

Mar 27, 2026

RFC2136 DNS Update Problems Caused by Non-atomic Handling of Apex NS RRSet

dns rfc2136 dnsupdate

Sep 8, 2024

PowerDNS Recursor RPZ with cacheable results

dns powerdns powerdns-recursor rpz

Dec 26, 2022

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