Register your .SI domain

The new frontier of Super Intelligence

TOP NEW DOMAINS

What is a .SI domain and why is it at the heart of the tech revolution?

With growing global interest in Super Intelligence (SI), a new term the United States has announced will use for artificial intelligence, the .SI domain, Slovenia's country-code top-level domain (ccTLD), is attracting attention from startups, tech companies and innovators. It offers a new opportunity to strengthen digital identity, following the path already paved by the .ai extension.

All the benefits of .SI

The .si domain offers new opportunities for those working in artificial intelligence, allowing them to create distinctive web addresses and increase brand recognition.

  • Innovation: The .SI extension evokes the concept of Super Intelligence, giving your brand an identity associated with technological innovation.

  • Brand recognition: .SI opens up new possibilities for choosing short, memorable domain names that help your brand stand out.

  • Open to everyone: Anyone can register a .SI domain, with no residency or local presence requirements.

Register yours now securely with Aruba.

.si domain

10.99 € + VAT  / 1st year * renewal from € 17.49 + VAT / year


  • 1 domain
  • 1 Swite website
  • DNS Management and Redirect
  • Control panel
  • Free support 24/7

Services you can use with your .pro domain

Launching AI projects

For startups and businesses built around artificial intelligence.

Brand protection strategy

For those looking to protect their brand with an extension, attracting growing interest.

Market positioning

For those who want to make their area of expertise instantly recognizable.


Services you can use with your .si domain

Linux Hosting plans

Enjoy unlimited web space plus loads of free apps, so you can create your site with complete flexibility.

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Email service

A custom email address is the best way to present yourself professionally and make sure your recipients recognize you.

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Windows Hosting plans

Enjoy unlimited web space with numerous integrated tools to help create the website you want.

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WordPress solutions

Use WordPress, the world's most popular open source software, and create your website with the help of AI.

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SuperSite

Create your website and bring your ideas to life. With our site builder, it only takes a few steps to launch your project online.

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Find your domain

Registration

Choose the perfect name for your website so people recognize you. Protect your identity online. 

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Our bestselling extensions

Transfer

Transfer your domains to Aruba. Transferring a .com, .net, .org, .biz or .info domain pays off! 

Geographic domain

Choose the domain for your Italian region or province and make it easy to find you online.

New domains

New gTLD domains, new opportunities.

Premium domains

Secure a sought-after web address.

Want to register a domain?

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Also need email?

A custom email address is the best way to present yourself professionally and make sure your recipients recognize you.

Learn about domain + email plan

Frequently asked questions

  • .SI is Slovenia's country-code top-level domain (ccTLD), the Slovenian equivalent of Italy's .it extension. It has been managed by the Academic and Research Network of Slovenia (ARNES) since 1992, through its internal registry, Register.si.

    Anyone worldwide can register a .si domain through an accredited registrar, with no residency restrictions.

    Its connection to artificial intelligence comes from the use of “SI” as an abbreviation for “Super Intelligence”.

  • Yes, you can. .SI is an open country-code domain, meaning anyone worldwide can register it without residency or local presence requirements.

    You do not need a registered office, VAT number or local representative in Slovenia. This applies to both businesses and individuals.

  • The relevant registry typically processes domain registration requests within 24 to 36 hours.

  • Yes. With WHOIS Privacy, your registrant details remain private unless you select the relevant checkbox during registration.

  • Yes. Anyone can register a .SI domain, regardless of nationality or where their company is based.

  • No special documents are required for individuals or businesses registering a .SI domain. You only need to provide the standard information requested during domain registration.

  • A .SI domain transfer can take between 24 and 48 hours.

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