An introduction to Unbound DNS | Enable Sysadmin
https://www.redhat.com/sysadmin/bound-dns04.05.2020 · Unbound Unbound can be a caching server, but it can also do recursion and keep records it gets from other DNS servers as well as provide some authoritative service, like if you have just a few zones — so it can serve as a stub or "glue" server, or host a small zone of just a few domains — which makes it perfect for a lab or small organization.
DNS Performance - Compare the speed and uptime of ...
https://www.dnsperf.comAll DNS providers are tested every minute from 200+ locations around the world; Only IPv4 is used; A 1 second timeout is set. If a query takes longer, its marked as timeout; The data is updated once per hour. Contact us if you need real-time data "Raw Performance" is the speed when querying each nameserver directly