Recursive DNS is the resolution service that answers a client's DNS query completely by querying root, TLD and authoritative servers and caching…
A Regional Internet registry is a nonprofit body that allocates IP addresses and AS numbers in one world region and keeps the…
A registrar is an accredited company that registers domain names with TLD registries on behalf of customers and manages their renewals and…
A registry is the organization that operates a top-level domain, keeping its authoritative database of domain names and publishing the TLD zone…
An RFC (Request for Comments) is a numbered, permanent document in the series that publishes Internet standards, best practices and protocol specs.