DNS vulnerability, configuration errors can cause DDoS
Guest Post: An overlooked DNS vulnerability that, when combined with a configuration error, is leading to massive DNS traffic surges.
Are large DNS messages falling to bits?
Guest Post: How much of a problem are large DNS responses over UDP, in the wild?
Anycast performance monitoring with Anteater
Guest Post: The open-source DNS tool Anteater allows real time monitoring of operator infrastructure, using their own traffic.
How centralized is DNS traffic becoming?
Guest Post: Study shows big five content providers are at various stages of DNSSEC, IPv6 and TCP adoption.
How to choose DNS TTL values
Guest Post: Study shows that even the use of anycast with a short TTL on the authoritative server-side cannot match the gains of longer TTLs.