| Subject | English | Italian |
| comp., MS | Blocked Top-Level Domain List | elenco domini di primo livello bloccati (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. | country code Top Level Domain | dominio di primo livello geografico |
| commun., IT, tech. | country-code Top-Level Domain | dominio di primo livello geografico |
| commun. | .eu Top Level Domain | dominio di primo livello .eu |
| commun., IT | generic Top-Level Domain | dominio di primo livello generico |
| commun., IT | Generic Top-Level Domain | dominio di primo livello generico |
| commun., IT | top-level domain | dominio di primo livello |
| comp., MS | top-level domain | dominio di primo livello, TLD (In the Internet and other networks, the highest subdivision of a domain name in a network address, which identifies the type of entity owning the address (for example, .com for commercial users or .edu for educational institutions) or the geographical location of the address (for example, .fr for France or .sg for Singapore). The domain is the last part of the address (for example, www.acm.org)) |
| IT | top-level domain name registry | registro dei nomi dei domini di primo livello |