.lu
| Introduced | 27 January 1995 |
|---|---|
| TLD type | Country code top-level domain |
| Status | Active |
| Registry | DNS-LU |
| Sponsor | RESTENA |
| Intended use | Entities connected with Luxembourg |
| Actual use | Popular in Luxembourg |
| Registered domains | 114,506 (date where the above number applies) |
| Structure | Registrations are made directly at the second level |
| Documents | Charter |
| DNSSEC | yes |
| Registry website | DNS-LU |
.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.