Domain Registry
DomainsDomain Registry is the authoritative organization that operates a top-level domain (TLD) database and infrastructure, maintaining the master record of registered domain names and their associated name servers. It sets technical policies for the TLD, publishes zone files to DNS, and works with accredited registrars that sell domains to end users. Registries ensure uniqueness, stability, and proper delegation of domains.
How It Works
A domain registry runs the central system for a specific top-level domain (such as a country-code TLD or a generic TLD). It maintains the authoritative database of all second-level registrations under that TLD, including which registrar sponsors each domain, the registrant contact data (where applicable), status codes, and the authoritative name servers that should receive traffic for the domain.
Most end users do not buy domains directly from a registry. Instead, they register through a domain registrar, which connects to the registry using standardized protocols (commonly EPP) to create, renew, transfer, or update domain records. The registry then publishes the TLD zone to the DNS ecosystem so resolvers can find the correct name servers. If a domain is suspended, expires, or is placed on hold, the registry enforces those states at the TLD level, affecting global reachability.
Why It Matters for Web Hosting
When comparing hosting plans, the registry is the layer that ultimately controls whether your domain can be delegated to your hosting provider name servers. Registry policies influence transfer rules, DNSSEC availability, grace periods after expiration, and how quickly changes propagate at the TLD level. Understanding the registry-registrar split helps you troubleshoot issues like failed transfers, domains not resolving after a DNS change, or unexpected suspension that can take a site offline.
Common Use Cases
- Delegating a domain to a web host by setting authoritative name servers at the registry via your registrar
- Publishing DNSSEC (DS records) for a domain so signed zones validate through the TLD
- Processing domain renewals, expirations, and redemption workflows that affect site availability
- Handling registrar-to-registrar transfers when you move domain management to a different company
- Enforcing domain status codes (clientHold, serverHold, transferProhibited) that impact resolution and transfers
Domain Registry vs Domain Registrar
A domain registry operates the TLD itself and keeps the master database; a domain registrar is the retail-facing company that sells registrations and provides a control panel for managing contacts, renewals, and DNS settings. You interact with the registrar for day-to-day changes, but those changes only take effect once the registrar updates the registry. If a registrar has an outage, you may be unable to submit changes; if the registry applies a hold or policy restriction, the domain may not resolve regardless of your hosting setup.