.xxx
Top-level domain
.xxx is a sponsored top-level domain intended as a voluntary option for pornographic sites on the Internet. The sponsoring organization is the International Foundation for Online Responsibility. The registry is operated by ICM Registry LLC. The... Wikipedia
Registry: ICM Registry, LLC
Actual use: Mainly as secondary domains for pornographic websites
Intended use: Internet pornography
Introduced: 15 April 2011; 12 years ago
Structure: Direct second-level registrations allowed