Registry
The person(s) or entity(ies) responsible for providing registry services. Registry services include customer database administration, zone file publication, DNS operation, marketing and policy determination. A Registry may outsource some, all, or none of these services.
The company or organization that is responsible for managing the information about registered domain names in a particular TLD. Different registries exist for each TLD
Resources
ICANNWiki: Content Guide | Documentation | Development Categories: Articles needing attention | Candidates for deletion Projects: Internet & Digital Governance Library