Synopsis # unbound(8) is a validating, recursive, caching DNS resolver included in the OpenBSD base system. It is enabled by default for local name resolution and is well-suited for both workstations and server environments. Unbound prioritizes simplicity, security, and performance, supporting features such as DNSSEC validation, local zones, and DNS-over-TLS. This chapter describes how to configure and manage unbound(8) on OpenBSD, including advanced options for DNS privacy and local network ...