dns performance

A café Wi-Fi test comparing the network’s default DNS, Quad9 over plain DNS, and Quad9 over DNS-over-HTTPS found encrypted Quad9 lookups averaging about 21.5 milliseconds, nearly matching the café resolver and beating plain Quad9 DNS at roughly 46.3 milliseconds in that session. That result does...

CVE-2026-42534 is a medium-severity vulnerability disclosed on May 20, 2026, in NLnet Labs Unbound versions up to and including 1.25.0, where repeated duplicate DNS queries can bypass the resolver’s jostle logic and degrade resolution performance for clients relying on it as recursive DNS...