New tsuNAME Flaw Could Let Attackers Take Down Authoritative DNS Servers

Security researchers Thursday disclosed a new critical vulnerability affecting Domain Name System (DNS) resolvers that could be exploited by adversaries to carry out denial-of-service attacks against authoritative nameservers. The flaw, called 'TsuNAME,' was discovered by researchers from SIDN Labs and InternetNZ, which manage the national top-level internet domains '.nl' and '.nz' for the