[OpenWrt Wiki] Unbound
https://openwrt.org/docs/guide-user/services/dns/unbound10.03.2017 · Unbound Unbound Unbound is a validating, recursive, and caching DNS resolver. The C implementation of Unbound is developed and maintained by NLnet Labs . OpenWrt base install uses Dnsmasq for DNS forwarding (and DHCP serving). This works well for many cases. Dependence on the upstream resolver can be cause for concern.