| Subject | English | Irish |
| commun., IT | abusive registration of a domain name | cibearshuiteoireacht |
| comp., MS | account domain | fearann cuntais (A Windows NT domain that holds user account data) |
| comp., MS | Active Directory Domain Services | Seirbhísí Fearainn Comhadlainne Gníomhaí (The Microsoft Windows based directory service. Active Directory Domain Services stores information about objects on a network and makes this information available to users and network administrators) |
| comp., MS | Blocked Top-Level Domain List | Liosta na bhFearann Barrleibhéil Bactha (A list that allows you to block top-level domain names. Blocking country/region top-level domains allows you to filter unwanted e-mail messages you receive from specific countries or regions) |
| commun., IT, tech. | country-code Top-Level Domain | fearann barrleibhéil tíre |
| commun., IT, tech. | country-code Top-Level Domain | fearann barrleibhéil náisiúnta |
| comp., MS | domain administrator | riarthóir fearainn (A person who is a member of the Domain Admins group. Domain administrators can create, delete, and manage all objects that reside within the domain in which they are administrators. They can also assign and reset passwords and delegate administrative authority for network resources to other trusted users) |
| comp., MS | domain controller | rialaitheoir fearainn (In an Active Directory forest, a server that contains a writable copy of the Active Directory database, participates in Active Directory replication, and controls access to network resources) |
| account. | domain name | ainm fearainn |
| commun. | domain name holder | sealbhóir ainm fearainn |
| commun., IT | domain-name suffix | Fearann Barrleibhéil |
| commun., IT | domain name system | córas ainmneacha fearainn |
| commun. | domain name warehousing | ollstóráil ainm fearainn |
| commun., IT | domain squatting | cibearshuiteoireacht |
| commun., IT | generic Top-Level Domain | Fearann Barrleibhéil cineálach |
| commun., IT | management domain name | ainm fearainn bainistíochta |
| law, environ., fish.farm. | maritime domain | réimse muirí |
| comp., MS | master user domain | fearann cuntas úsáideora (A Windows NT domain that holds user account data) |
| environ. | private domain Generally, land and water owned by individuals or corporations as opposed to the state; in French civil law, any government property capable of being owned by non-public entities, which cannot be seized and which is restricted to the stipulated ownership and use | fearann príobháideach |
| commun., IT | private domain name | ainm fearainn phríobháidigh |
| environ. | public domain That which can be accessed, used and shared by the general populace without restrictions, penalties or fees | fearann poiblí |
| law | public domain concession | lamháltas fearainn phoiblí |
| environ. | public maritime domain eas or ocean areas owned by the state as opposed to individuals or corporations | fearann muirí poiblí |
| environ. | public waterways domain Rivers, canals and lakes owned by the state as opposed to individuals or corporations | fearann uiscebhealaí poiblí |
| commun., IT | top-level domain | Fearann Barrleibhéil |
| commun., IT | top-level domain name | ainm fearainn barrleibhéil |