AI is now called super intelligence. Register your .si domain.

.si is the country code top level domain for Slovenia, in use since 1992. Since September 2026 it is also read as SI for super intelligence, after the US said it would use that term in official documents.

Yes. .si has been a working national domain for over thirty years, with DNSSEC, registry lock and hourly zone updates. It is not a new extension riding a trend.

Yes. It is short, open to anyone and still has strong names available. Whether SI replaces AI as a term is not settled, so choose a name you would be glad to own either way.

.ai is established but the short names are gone or expensive. .si costs less and still has room. Many teams register both and point one at the other.

Anyone. There is no residency requirement and no need for a Slovenian company. Individuals and organisations anywhere can register.

At Hostinger, a .si domain costs $11.99 for the first year. After that, the renewal fee is $16.99/year. As Hostinger is an ICANN-accredited registrar, your domain is managed securely. Auto-renewal helps prevent expiration, and 24/7 support is available. You can also transfer your domain to Hostinger at any time.