What is the .SI Domain Name?
The .SI extension is Slovenia's country-code domain (ccTLD), and the domain name that is shorthand for Super Intelligence.
As interest in "Super Intelligence" (SI) accelerates globally, organizations are registering .SI domains to secure key brand names, protect intellectual property, and create memorable identities for AI products, research initiatives, and technology ventures.
Why Register a .SI Domain?
Whether you're building AI technologies, protecting an existing brand, or securing names for future use, .SI offers a flexible and accessible namespace with strong availability and affordable registration costs.
Many organizations view .SI as a companion domain to .CA, .COM and .AI, allowing them to build a more proactive and protected domain portfolio.
Recommended Uses for .SI
Brand protection
AI research projects
Technology product branding
Professional email
Securing brands and names for future use cases
Who Can Register a .SI Domain?
Anyone. Individuals, businesses, organizations, and international registrants can register .SI domains without maintaining a local presence in Slovenia.
Prospective registrants that may consider .SI for its alignment to artificial and super intelligence include:
AI and Technology Companies
Research, Development and Innovation Labs
Brand Owners and Corporate Domain Portfolios
Startups and Businesses Seeking Better Name Availability
Domain Name Investors and Branding Consultants/Professionals
Frequently Asked Questions
Who can register a .SI domain?
Anyone. Individuals, businesses and organizations worldwide can register .SI domains without maintaining a local presence in Slovenia.
Do I need a Slovenian company or address?
No. There are no local presence requirements.
Is .SI replacing .AI?
No. .AI remains the leading domain extension for artificial intelligence companies and products. .SI is best viewed as a complementary branding and brand protection opportunity.
Should I register both .AI and .SI?
Many organizations do. Companies operating in AI frequently use .AI for products and services while securing .SI for defensive registration, future projects or additional branding flexibility.
Can I redirect a .SI domain to my existing website?
Yes. Many businesses use .SI domains for marketing campaigns, product launches or defensive registrations and redirect them to their primary website.