.SE

Name: .SE — TLD Knowledge Base
Creator: Internetstiftelsen (IIS)

Sweden

Internetstiftelsen (IIS) · ccTLD · Updated 2026-09-10

OpenIDNDNSSEC

Specifications

Zone: .se
Registration: Real-time
Registration period: 1-10 years
Character length: 1-63
IDN: Yes
DNSSEC: Yes
IPv6: Yes
Nameservers: 2-7 nameservers
Renewal on transfer: Yes
Transfer time: Real-time
Auth code format: Registry-set
Redemption period: Real-time restore
Handle updates: Yes
WHOIS update: Real-time
WHOIS server: whois.iis.se
Connection: Direct
Data set: ccTLD
Registry lock: Yes
IDN character sets: ISO_8859_1
Auth code: Yes

Eligibility & Restrictions

Open to anyone worldwide. Individuals: must provide ID card number. Organisations: must provide Swedish business registration number. Non-Swedish organisations: must also provide VAT-ID.

Registration

1-10 years.

Transfer Procedure

Auth code set by REGISTRY (not registrar) since June 1, 2024. To retrieve: use ModifyDomain command with random auth code. Registry responds with current code. Auth code valid 14 days. Transfers processed in real-time.

Simultaneous transfer + registrant change is NOT possible. Transfer first, then change registrant.

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

Registrant Change

Trade requires fax form to IIS registry. Name, Organisation, and ID/VAT number cannot be updated via ModifyDomain. Requires new contact handle with same Name/Organisation and updated info, then attach to domain.

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

Renewal & Deletion

Standard renewal. Restore supported in real-time via RestoreDomain command.

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

Restore / Redemption Grace Period

Restore supported in real-time via RestoreDomain command.

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

WHOIS / Privacy

NIS2 compliance: inaccurate data results in ServerHold. ServerHold domains cannot renew or transfer.

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

NIS2 Compliance

From Jan 2025: new registrations flagged for NIS2 data verification. From May 2025: existing domains flagged. ServerHold applied for inaccuracy: blocked from updates, renewals, transfers; expires on scheduled date after deactivation. 60-day correction window. High-risk flagged domains need supporting documentation from reseller.

ServerHold for NIS2 inaccuracy: domain not resolving, cannot renew/transfer, will expire. 60-day window to correct.

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

Known Error Codes & Notes

ServerHold (NIS2): Domain not resolving, cannot renew/transfer. 60-day correction window before expiry.
Auth code from registry only: Auth code now only from IIS registry since June 2024. Registrar cannot set it independently.
No simultaneous transfer+trade: Transfer and registrant change cannot happen simultaneously. Transfer first, then change.

Data controllers

The Internet Infrastructure Foundation (org) Box 92073, Stockholm SE-120 07, Sweden
The Internet Infrastructure Foundation — SE Administrative Contact (admin) Box 92073, Stockholm SE-120 07, Sweden

Error codes

EF00803
EF01017
EF03008
EF00512
EF01008
EF00525
EF01009
EF03005
EF01002
EF03007
EF03006
EF01075
EF03011
EF02068
EF01055
EF03041
EF03040
EF03010
EF01095
EF03042
EF01074
EF0103118
EF011316

Required fields

techc/email
ownerc/email
zonec/email
adminc/email

Restrictions

Company number (companies) or ID card number (individuals) required.
Domains can be registered without restrictions.

Root nameservers

X.NS.SE
I.NS.SE
C.NS.SE
B.NS.SE
Z.NS.SE
F.NS.SE
M.NS.SE
A.NS.SE
Y.NS.SE
G.NS.SE

Tasks (API)

authinfo · available · automatic
authinfoCreate · available · automatic
authinfoDelete · available · automatic
create · available · chargeable · automatic
delete · available · automatic
ownerchange · available · automatic
preack · available · automatic
renew · available · chargeable · automatic
restoreARGP · available · automatic
restoreNE · available · automatic
transfer · available · chargeable · automatic · AuthInfo required
update · available · automatic
updateStatus · available · automatic

API

Domain Create

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

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

⚠ Auth code set by REGISTRY since June 2024. Retrieve via update with random code.

Domain Transfer

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

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

⚠ Simultaneous transfer + registrant change NOT possible. Transfer first.

Create AuthInfo1

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

Registry-controlled since June 2024. Valid 14 days.

Domain Restore

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

⚠ Real-time restore via RestoreDomain.

TLD Extension Parameters

extensions.se.idNumber: string — Swedish ID card or business registration number.
extensions.se.vatId: string — VAT-ID for non-Swedish organisations.