What part of ‘No!’ is so hard for the DNS understand?
At APNIC Labs we’ve been experimenting with understanding how the DNS handles requests to resolve nonexistent names to make the DNS more resilient to random name attacks.
Tag: DNS
[Podcast] Measuring the impact of locally served root zone
An analysis of the traffic impacts of locally served root zones, by Ilyas Rahimi at UvA.
The lingering legacy of ‘reserved’ ports
Modern service discovery mechanisms increasingly allow services to run on arbitrary ports, yet DNS may remain the one protocol that cannot fully escape its dependency on the long-established convention of port 53.
AI, IPv6, and the future Internet at IETF 126
Guest Post: At IETF 126, discussions highlighted how AI is beginning to shape the future of Internet infrastructure. Participants identified IPv6 as a critical foundation for large-scale AI ecosystems and explored new approaches.
[Podcast] DNS cold start
Geoff Huston discusses the unexpected behaviours of the DNS when you perform a query after ‘cold start’ with no cached data.
BGP topics from IETF 126
BGP ORIGIN, ASPAs, PAVA, and ASRAs at IETF 126.
DNS topics at IETF 126
Recursive resolver DNS query behaviour, Post-quantum DNSSEC, Optimistic DNS, Automating DNS delegation management, and more from IETF 126.
[Podcast] DNS query duplication
Why does APNIC Labs experimental systems see almost all DNS queries twice or more?
Data synchronization
Distributed systems depend on synchronization, but every approach has tradeoffs. From full copies to delta updates, how do you choose the right method?
[Podcast] Testing RSSAC 028 DNS root server name choices
A measurement study of how the DNS bootstrap priming query behaves when the root servers are renamed and DNSSEC signatures are added.