root domain
[/ruːt dəˈmeɪn/]
nounpl: root domains
domínio raiz
1. The highest level in the hierarchical Domain Name System (DNS) structure; the top-level domain (TLD) that serves as the parent domain for all subdomains
The root domain 'example.com' is the parent of subdomains like 'mail.example.com' and 'blog.example.com'.
O domínio raiz 'exemplo.com.br' é o pai de subdomínios como 'email.exemplo.com.br' e 'blog.exemplo.com.br'.
2. In computing and networking, the primary domain name without any subdomains or prefixes
Users should register the root domain before creating any subdomains.
Os usuários devem registrar o domínio raiz antes de criar qualquer subdomínio.
This is technical jargon primarily used in web development, IT infrastructure, and digital marketing sectors in both Brazil and the USA. The term 'domínio raiz' is the established technical standard in Portuguese-speaking tech communities, while 'domínio principal' may be used in less technical contexts. Understanding root domains is essential for anyone working with websites, email services, or online business infrastructure.
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