|Introduced||27 January 1995|
|TLD type||Country code top-level domain|
|Intended use||Entities connected with |
|Actual use||Popular in Luxembourg|
|Registered domains||114,506 (date where the above number applies)|
|Structure||Registrations are made directly at the second level|
.lu is the Internet country code top-level domain (ccTLD) for Luxembourg. .lu domains are administered by RESTENA. Since 1 February 2010, the administrative contact no longer needs to be based in Luxembourg.
For many years, the application for .lu domains were done only via postal mail or fax. The fees for a .lu second level domain are €40 for the creation (or modification of a contact) and €40 yearly (including VAT). On 18 September 2006, the registry introduced a domain name registrar model. While the classic paper registration is possible, registering with a certified registrar is preferred by RESTENA.