Question 1

What do you sell?

Accepted Answer

A curated collection of premium .si names, including BrainPower.si, PostHuman.si, Sleipnir.si and X-Risk.si.

Question 2

How much do the names cost?

Accepted Answer

Every name in the collection shows its price, so you can see it before you click anything.

Question 3

How do I buy?

Accepted Answer

Press Buy on any name. That opens its GoDaddy listing, where you complete checkout and transfer.

Question 4

Is it safe to buy?

Accepted Answer

Yes. Checkout runs on GoDaddy, which monitors every transaction. If a seller doesn't deliver as agreed, GoDaddy refunds you within 24 hours. Transaction support is free.

Question 5

How can I pay?

Accepted Answer

GoDaddy accepts credit, debit and prepaid cards, bank transfer, online banking, PayPal, Klarna and eWallets. Some methods depend on your country. Local currency is available in the cart at checkout.

Question 6

How does the transfer work?

Accepted Answer

GoDaddy's transfer process is automated and runs mostly in the background, so you can start using the name quickly. If you want it moved to a different registrar afterwards, email hello@dotgremlin.com.

Question 7

Can I ask a question first?

Accepted Answer

Of course. Email hello@dotgremlin.com about any name.

Question 8

Why do people link .si to superintelligence?

Accepted Answer

The two letters match the abbreviation “SI”. Because .si is open to everyone, some AI builders choose it for that reason, while it remains Slovenia's official domain.

Question 9

I already own an .ai. Do I need a .si too?

Accepted Answer

You don't need one. Many brands register both: .ai for the category, .si as a second address that protects the brand and signals a superintelligence focus.

Question 10

What is a .si domain?

Accepted Answer

.si is Slovenia's country-code domain, in use since 1992. It's open worldwide, and many people now read it as short for “superintelligence”.

Question 11

Who can register one?

Accepted Answer

Anyone, anywhere. You don't need a connection to Slovenia or an AI business.

Question 12

Who runs .si?

Accepted Answer

The registry is Register.si, operated by Arnes. You register names through an accredited registrar, and there were 105 of them in November 2026.

Question 13

How big is .si?

Accepted Answer

Register.si reported 472,722 registered domains in early November 2026.

Question 14

What do premium .si names sell for?

Accepted Answer

Prices vary widely. The top reported sale is Chain.si at $84,000, and 24 reported sales reached $20,000 or more. The .si Ledger shows the top 10.

Question 15

Where do .si sales happen?

Accepted Answer

Mostly on marketplaces such as Spaceship, fruits.co, Atom, Dynadot, Sedo plus private deals.

.si Domain FAQ

Buying from DotGremlin

Why .si

The Basics

The Market

See the top 10 .si sales