There have been close to one million expressions of interest in the .xxx generic top-level domain name, it has been reported.
According to TheDomains.com, 900,000 individuals and companies have contacted the firm behind .xxx during its pre-reservation process.
Between them, the applicants expressed interest in more than 650,000 individual domain names using the .xxx extension.
The controversial top-level domain is set to be introduced for use by websites offering adult content, following approval from the Internet Corporation for Assigned Names and Numbers (ICANN).