Unverified50% confidenceFactExact time
The domain name system uses a three-tier architecture: Registry, Registrar, and Registrant.
1
Sources
50%
Confidence
Long-term
Relevance
9/7/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedThe hierarchical structure of the domain name system is: ICANN (top-level governance) → registries (managing specific top-level domains such as .com and .net) → registrars (providing registration services to end users).79% similarUnverified企业应持有多个备用域名（尤其应包含至少一个.com主域名），并建立可快速切换的重定向机制71% similarUnverifiedFrom both a legal and technical perspective, a domain name more closely resembles a periodic lease, where users pay an annual fee to obtain usage rights from a registrar, dependent on the continued operation of the top-level domain registry.70% similarUnverified业界最佳实践包括启用域名注册锁（Registry Lock）、使用多家注册商分散持有关键域名、配置DNS故障转移与负载均衡70% similar
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