| Subject | English | Polish |
| account. | domain name | nazwa domeny |
| comp., MS | domain name registrar | rejestrator nazw domen (The owner of the customer relationship with customers who buy second-level domains. There may be many registrars for a single top-level domain. Registrars maintain detailed customer information in their databases, such as the customer's contact address, telephone number, and e-mail address. Customers usually manage their second-level domains at the registrar's Web site, and the registrar updates the registry database when necessary (for example, when a customer renews a domain name)) |
| comp., net. | domain name server | serwer DNS |
| comp., net. | domain name server | serwer nazewniczy domen |
| comp., net. | domain name service | usługa DNS |
| comp., net. | domain name service | usługa nazewnicza domen |
| comp., net. | domain name system | system nazewniczy domen |
| comp., MS | Domain Name System | system nazw domen (A hierarchical, distributed database that contains mappings of DNS domain names to various types of data, such as IP addresses. DNS enables the location of computers and services by user-friendly names, and it also enables the discovery of other information stored in the database) |
| commun., IT | domain-name suffix | domena najwyższego poziomu |
| comp., net. | fully qualified domain name | nazwa domeny pełna |
| comp., MS | fully qualified domain name | w pełni kwalifikowana nazwa domeny (A DNS name that has been stated to indicate its absolute location in the domain namespace tree. In contrast to relative names, an FQDN has a trailing period () to qualify its position to the root of the namespace (host.example.contoso.com)) |
| commun. | Internationalised Domain Name | umiędzynarodowiona nazwa domeny |
| comp., net. | top-level domain name | nazwa domeny najwyższego poziomu |
| comp., MS | UPN (A user account name sometimes referred to as the user logon name and a domain name identifying the domain in which the user account is located. This is the standard usage for logging on to a Windows domain. The format is: user | nazwa UPN |
| comp., MS | user principal name (A user account name sometimes referred to as the user logon name and a domain name identifying the domain in which the user account is located. This is the standard usage for logging on to a Windows domain. The format is: user | główna nazwa użytkownika |