.SI

Name: .SI — TLD Knowledge Base
Creator: ARNES

Slovenia

ARNES · ccTLD · Updated 2026-09-10

Open

Specifications

Zone: .si
Registration: Real-time
Registration period: 1 year
Character length: 1-63
IDN: Yes
Nameservers: 2-7 nameservers
Transfer time: Standard
Auth code format: Standard EPP
Redemption period: 10 days (no RGP)
Handle updates: Yes
WHOIS update: Standard
WHOIS server: whois.register.si
Connection: Direct
Data set: ccTLD
IDN character sets: ISO_8859_1
Auth code: Yes

Eligibility & Restrictions

Open to anyone worldwide. No residency requirement.

Registration

1 year.

Transfer Procedure

Standard auth code transfer. All modifications require confirmation from registrant (email confirmation from registry or fax).

ALL modifications (DNS, contact changes, transfers) require registrant email confirmation from registry or fax confirmation.

📘 ICANN Transfer Policy (IRTP) — See ICANN Transfer Policy for the full IRTP framework, auth code rules, 60-day lock periods, and TEAC.

Registrant Change

All modifications require registrant confirmation via email from registry or fax.

📘 ICANN OwnerChange (COR) — See ICANN OwnerChange for COR triggers, FOA/DA modes, 60-day lock, and opt-out.

Renewal & Deletion

Active for 10 days past expiry; after 10 days, deleted and made available immediately.

Short post-expiry window: only 10 days. No RGP. Domain released immediately after 10-day window.

📘 ICANN ERRP — See ICANN ERRP for the standard gTLD expiry lifecycle (Auto-Renew Grace → RGP → Pending Delete → Released).

Restore / Redemption Grace Period

No RGP documented. Domain released immediately after 10-day post-expiry window.

📘 ICANN ERRP — See ICANN ERRP for RGP details and standard restore fees.

WHOIS / Privacy

Standard WHOIS.

📘 ICANN Registration Data Policy — See Registration Data Policy for RDP 2025, RDAP, redaction defaults, and privacy/proxy rules.

NIS2 Compliance

Slovenia NIS2 transposition applies.

📘 NIS2 Compliance — See NIS2 Compliance for Article 28 requirements, registry implementation status, and operational impact.

Known Error Codes & Notes

10-day window: Only 10 days past expiry. No RGP. Domain available immediately after.
All mods need confirmation: Every modification (DNS, contacts, transfers) requires registrant email/fax confirmation.

Data controllers

Academic and Research Network of Slovenia (ARNES) (org) Tehnološki park 18, Ljubljana 1000, Slovenia
Academic and Research Network of Slovenia (ARNES) — Barbara Povše (admin) Tehnološki park 18, Ljubljana 1000, Slovenia
Academic and Research Network of Slovenia (ARNES) (org) Tehnološki park 18, Ljubljana 1000, Slovenia
Academic and Research Network of Slovenia (ARNES) — Barbara Povše (admin) Tehnološki park 18, Ljubljana 1000, Slovenia

Error codes

EF00803
EF01017
EF03008
EF00512
EF01008
EF01009
EF03005
EF01002
EF03007
EF03006
EF01075
EF03011
EF01055
EF01088
EF03010
EF01074
EF0103118

Required fields

techc/email
ownerc/email
adminc/email

Restrictions

Nameserver must be set up in advance and provide an authoritative response.
Domains can be registered without restrictions.

Root nameservers

B.DNS.SI
L.DNS.SI
F.DNS.SI
H.DNS.SI
I.DNS.SI
K.DNS.SI

Tasks (API)

update · available · automatic
create · available · chargeable · automatic
preack · available · automatic
transfer · available · chargeable · automatic · AuthInfo required
delete · available · automatic
renew · available · chargeable · automatic

API

Domain Create

POST https://api.autodns.com/v1/domain

{
  "name": "example.si",
  "ownerc": {
    "id": 23142212
  },
  "adminc": {
    "id": 23142212
  },
  "techc": {
    "id": 23142212
  },
  "nameServers": [
    {
      "name": "ns1.example.com"
    },
    {
      "name": "ns2.example.com"
    }
  ],
  "confirmOrder": false
}

Domain Transfer

POST https://api.autodns.com/v1/domain/_transfer

{
  "name": "example.si",
  "auth": "(AUTH_CODE)"
}

Create AuthInfo1

POST https://api.autodns.com/v1/domain/example.si/_authinfo1

Standard EPP auth code.

Domain Restore

POST https://api.autodns.com/v1/domain/example.si/_restore