Oct 08, 2026
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By Alma F.
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7 min Read

To buy a .si domain, choose a name, inspect that it’s available, choice an accredited registrar, complete registration and payment, verify your communication details, and set up auto-renewal.
The .si expansion is Slovenia’s country-code domain (ccTLD), but you don’t need to live in Slovenia or run a Slovenian business to enroll one. It has attracted involvement beyond Slovenia since “SI” became connected alongside excellent intelligence.
That involvement makes .si appealing to AI projects, and it expenses far small than .ai, the expansion AI companies favor since group already affiliate it alongside synthetic intelligence.

1. Choose your .si domain name
Pick a name that fits your brand or project and is uncomplicated to say, spell, and type. Because .si is the expansion for Slovenia that many buyers now peruse as abbreviated for excellent intelligence, your name should motionless create apparent what you’re building.
Your .si domain additionally needs to prosecute these rules:
- Length and characters. Use 2–63 characters made up of letters, numbers, and hyphens. The name can’t commencement or end alongside a hyphen.
- International characters. Slovenian internationalized domain name (IDN) characters are supported, specified as in roža.si. For an global audience, an ASCII-only name is easier to category on keyboards that don’t contain Slovenian characters.
- Reserved names. Some names are unavailable since they’re reserved for Slovenian province bodies, including si.si, 112.si, and 113.si.
Once the name meets those rules, inspect how fine it plant in practice. Say it aloud to person and ask them to category it: if they add a hyphen, compose “4” for “for,” or misspell it, simplify.
Then hunt for the name on Google and on the social platforms you scheme to use, since a akin brand or a taken grip can dispatch visitors to the incorrect place.
Also ask whether the name motionless makes awareness if buyers halt study .si as abbreviated for excellent intelligence. These tips for choosing a domain name can assistance you narrow downward your options. Finally, inspect the name against existing trademarks. Search the Slovenian Intellectual Property Office (SIPO) database for Slovenian trademarks and WIPO’s Global Brand Database for global marks.
Important
An accessible domain isn’t automatically harmless to use as a brand name. Register.si, the authoritative register that manages .si domains, has a disagreement procedure for registrations that infringe existing rights. A holder can endure a domain that was registered in bad faith.
2. Check .si domain availability
Check whether your preferred .si domain is accessible through a registrar’s hunt tool or Register.si.
At Hostinger, you can register a .si domain by entering the name in the hunt bar. The outcome shows whether it’s accessible and how much it costs, so you can continue immediately to registration.

You can additionally inspect the name immediately on Register.si. It shows whether the domain is accessible in the authoritative .si database, but a registrar specified as Hostinger lets you inspect preparedness and enroll the domain in the identical place.
.si domains are registered on a first-come, first-served basis, and a liberated one can disappear quickly. Demand has jumped since a late-September US command told national agencies to use “Super Intelligence” in location of “AI”.
With additional names being registered, an accessible domain may no longer be accessible by the period you’re prepared to buy, so inspect it again before paying.


If your archetypal domain name choice is already registered, try adding a applicable word, changing the term order, or choosing another name.
You can additionally communication the current domain holder to ask whether they’re consenting to market it, but the holder sets the resale price, so it can disbursal much additional than registering a new domain.
Domain Name Checker
Instantly inspect domain name availability.
3. Choose a registrar
Choose an accredited registrar according to the first-year price, the renewal price, and how uncomplicated the domain volition be to oversee later.
Not all registrars recommendation .si domains. First, inspect that your preferred registrar supports the extension. Among those that do, registration and renewal expenses can differ, so don’t choose according to the first-year cost alone.
Here are 10 .si registrars listed by TLD-List, sorted by registration cost from lowest to highest.

Some difference sites contain impermanent discounts or coupon codes in the displayed price, so inspect the registrar’s own website for the norm registration and renewal rates before buying.
Beyond price, compare:
- DNS (Domain Name System) controls. You’ll use these settings to nexus the domain to your website and email.
- Included services. This can average hosting or email, if you need them.
- Customer support. Useful if you need assistance alongside registration or setup.
- Transfer options. This is crucial if you afterward desire to move the domain to another registrar without changing the domain name.
You can additionally alter registrars afterward without changing the domain name itself.
When your domain, DNS, and email are managed through Hostinger, you can admission their tools from the identical dashboard.

4. Complete the registration
Complete the registration petition by purchasing the domain and submitting the domain holder particulars that your registrar needs for the .si registry.
The domain holder is the individual or business officially registered as liable for the domain.
At Hostinger, the procedure is:
1. Search for your name again on the .si domain page, since preparedness can alter between checking and buying.
2. Select Make it yours next to the domain you want, and add it to your cart.
3. In your cart, choose Continue to checkout.

4. Choose a registration duration of 1, 2, or 3 years. Review the first-year and renewal prices, afterward choose Continue.

5. Enter the domain holder data requested during checkout and complete the payment. Make certain those particulars equivalent your authoritative records so they can be verified if needed.
Use an email location you can admission independently of the new .si domain. For example, don’t use [email protected] as your lone communication location since that mailbox won’t activity until the domain and its email assistance are active.
After payment, Hostinger sends the registration petition to the .si registry. The domain appears in your document formerly the registration is accepted.
After registration, verify at smallest one communication method – typically your email location or phone figure – whenever your registrar asks.
The register may additionally petition evidence of your character or location whenever it needs additional confirmation of the domain holder’s details. Provide the requested documents by the deadline your registrar gives you. An unverified domain can be suspended until the inspect is complete.
The register can verify your communication particulars again whenever you renew the domain or alter the holder or communication information.
Under the current .si rules, changing the holder name or email location counts as an ownership change. The new holder afterward needs to verify the alter by email inside seven days.
6. Protect and renew your domain
After verifying your communication details, defend your .si domain by checking that auto-renewal is enabled and keeping your registration data up to date.
Check auto-renewal. Hostinger enables auto-renewal for domains by default. When it’s active, Hostinger attempts to accusation your saved fee method before the domain expires. Check or alter the environment under Profile → Billing → Subscriptions.
If a .si domain expires:
- It enters a 30-day quarantine period and is deactivated, so websites and email services using it halt working.
- You can still renew your domain name during quarantine.
- If you don’t renew it inside 30 days, the domain is deleted and becomes accessible for person alternatively to register.
Renewal keeps the domain active, but it doesn’t authority what registration particulars are apparent publicly. .si has its own rules for what holder data appears in community domain lookups.
Know what data is public. WHOIS and RDAP are services used to appearance up community domain registration information. Hostinger’s domain privacy protection isn’t accessible for .si since the .si register decides what holder data must remain community and doesn’t authorize registrars to conceal it.
What appears publically depends on the holder:
- Individuals – lone the communication email is community by default.
- Legal entities – community data includes the organization’s name and registered office.
If you’re registering as an individual, use a communication email you’re comfortable having publically visible.
The register needs accurate, complete communication details, equal whenever lone part of them is public. If your email location or holder name changes, present it as an ownership change. Inaccurate data can guide to your domain being deactivated and, in grave cases, deleted.
How much does a .si domain cost?
A .si domain expenses $11.99 for the archetypal year and $16.99/year to renew at Hostinger, excluding VAT. Other registrars set their own prices, so difference the two the introductory and renewal rates before registering.
When comparing domain name costs, pay particular notice to renewal pricing. The first-year discount applies once, during the renewal charge affects what you pay for all afterward year.
A three-year .si registration expenses about $46 before tax at Hostinger, including a $5 discount. After the first term, the domain renews at $16.99/year.

For AI projects, .si expenses far small than .ai at Hostinger. An .ai domain currently expenses $89.99 for the archetypal year and $109.99/year to renew, alongside a minimum two-year registration.
Price isn’t the lone difference, though. The .ai domain is already powerfully connected alongside synthetic intelligence, during .si may need additional environment before visitors nexus it alongside excellent Intelligence.

What to do following registering your .si domain
After registering your .si domain, nexus it to your hosting, set up email if needed, allow HTTPS, and justify the required DNS records are in place.
To nexus your domain to hosting, item it to the server hosting your website. When the two the domain and hosting are at Hostinger, you can nexus the .si domain from the dashboard, and the required DNS settings are handled automatically.
For a website hosted elsewhere, prosecute the association particulars provided by that host. It volition normally ask you to either:
- Change the nameservers. This lets the hosting provider oversee your domain’s DNS settings.
- Add particular DNS records. This keeps DNS administration anywhere it is during connecting the website to the host. An A document points the domain to your server’s IP address, during a CNAME points one hostname to another.
If your .si domain is registered at Hostinger but the website is hosted elsewhere, you can alter its nameservers under Domains → Domain portfolio → Manage → DNS / Nameservers.
The .si register adds a domain to its DNS lone following the nameservers continue its pre-delegation tests. They need a chief and at smallest one secondary server, an SOA record, and MX records, and the nameservers listed at the register must equivalent the records on the servers themselves.
If the settings are incorrect, the domain won’t attain your website until you fix them.
After the website is reachable, set up any another services you scheme to use:
- Redirect a secondary .si domain. Set up a imperishable 301 redirect whenever your chief website already uses another domain, specified as .com, alternatively of publishing the identical website on both. Anyone who enters the .si location volition afterward attain your chief site.
- Set up domain email. Add an MX document so incoming messages are sent to the accurate email provider. SPF, DKIM, and DMARC records assistance communication services verify that messages using your domain are legitimate. When using Hostinger Email, you can oversee these settings under Emails → Domain settings.
- Enable HTTPS. Install an SSL/TLS certificate so data sent between your website and visitors is encrypted. Without HTTPS, browsers can notify visitors that the association isn’t secure. All Hostinger hosting plans arrive alongside SSL certificates.
DNS changes can obtain up to 24–48 hours to appear throughout the internet, so a new association may not activity immediately following you alter the settings.
Once the domain, website, and any email services are working, prosecute the next steps following purchasing a domain for the remaining setup.
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