| Subject | English | Japanese |
| comp., MS | Domain Name System | ドメイン ネーム システム (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) |
| comp., net. | domain name system | ドメイン名システム |
| comp. | n Domain Name System | ＤＮＳ |
| comp., MS | Domain Name System resolver | ドメイン ネーム システム リゾルバー (A software feature that communicates with DNS servers to create and resolve name-resolution queries. DNS resolvers exist on DNS clients and DNS servers) |
| pejor. | n name given to the lowest rank of the Japanese caste system after its abolition | 新平民 |
| gen. | Name of River System | 水系名 |
| comp., MS | System Data Source Name | システム データ ソース名 (A data source name that can be used by any process on the computer) |
| comp. | n system-name | システム名 |