Setting Up Unbound Recursive DNS Resolver on Debian 13
A practical guide for system administrators running production servers. This guide focuses on the clean, reliable approach: running Unbound directly without systemd-resolved. Why Run Your Own Recursive DNS Resolver? When operating servers, especially mail servers, DNS reliability and performance are critical. Public DNS providers (Google, Cloudflare, Quad9) have a significant limitation: they intentionally rate-limit or…
