From OpenDNSSEC to Knot DNS
Guest Post: How to use Knot with HSMs, seamlessly transition from OpenDNSSEC, and switch to in-memory keys.
Tag: DNS
Governance of the DNS root zone
ICANN is accepting public comments on the Functional Model for Root Server System Governance until 22 September 2025.
The impact of expanding AuthDNS with a new node in the Philippines
Guest Post: Recently, the RIPE NCC activated a new AuthDNS node in Makati. What impact did this have on local DNS clients and on the overall AuthDNS system?
DNS at IETF 123
DS automation, Domain Control Validation, .internal and delegation, and more from the DELEG and DNSOP Working Groups at IETF 123.
SIEVE — a better algorithm than LRU?
Guest Post: Introducing SIEVE — a simpler algorithm than LRU that delivers better efficiency and scalability for web cache workloads.
Experimental support for AF_XDP sockets in NSD
Guest Post: Exploring the promise of fast-path DNS delivery through XDP, and the pain points that come with it.
Event Wrap: APAC DNS Forum 2025
Joyce Chen presented on the ICP-2 Review at the APAC DNS Forum 2025, held in Hanoi, Vietnam from 8 to 9 May 2025.
[Podcast] DELEG: Changing the DNS engine in flight again
Geoff Huston discusses the new IETF DELEG Working Group activity, which is looking to change how zones are delegated in the DNS protocol.
A tree in a tree: Challenges of comprehensive DNS tree exploration
Guest Post: A large-scale DNS study reveals the impact of common measurement limitations on research findings.
Monitoring highly distributed DNS deployments: Challenges and recommendations
Guest Post: The root server system highlights the challenges operators and researchers face when monitoring highly distributed DNS deployments from the outside.