.IO

Name: .IO — TLD Knowledge Base
Creator: Internet Computer Bureau

British Indian Ocean Territory

Internet Computer Bureau · ccTLD · Updated 2026-09-10

Open

Specifications

Zone: .io
Registration: Real-time
Registration period: 1 year
Character length: 1-63
IDN: Yes
DNSSEC: Yes
IPv6: Yes
Nameservers: 2-7 nameservers
Transfer lock: Yes
Renewal on transfer: Yes
Transfer time: Standard
Auth code format: Standard EPP
Redemption period: 30 d
Handle updates: Yes
WHOIS privacy: Yes
WHOIS update: Standard
WHOIS server: whois.nic.io
Connection: Direct
Data set: ccTLD
IDN character sets: BIG5, EUC_JP, EUC_KR, ISCII, KOI8_R, KOI8_U, SHIFT_JIS, TIS_620, ISO_8859_7, ISO_8859_1
Auth code: Yes

Eligibility & Restrictions

Open to anyone worldwide. No local presence required. Technically ccTLD for British Indian Ocean Territory but used globally as generic TLD by tech/startup companies.

Registration

1 year minimum. Transfer adds 1 year. 30-day transfer lock after registration (not standard 60).

Transfer Procedure

Standard auth code transfer. 30-day transfer lock after registration.

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

Registrant Change

Standard ICANN COR process.

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

Renewal & Deletion

Standard. Always renew on time due to expensive redemption.

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

Restore / Redemption Grace Period

40-day RGP; then 30-day redemption with ~$300 USD fee.

Expensive ~$300 USD redemption fee. Always renew on time. WHOIS privacy unavailable.

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

WHOIS / Privacy

WHOIS privacy NOT available per registry policy. Registrant data always public.

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

NIS2 Compliance

N/A. British Overseas Territory.

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

Known Error Codes & Notes

$300 redemption: Expensive ~$300 redemption fee. Was previously no fee.
30-day lock: 30-day lock (not standard 60) after registration.
No WHOIS privacy: WHOIS privacy unavailable per registry policy.

Data controllers

Internet Computer Bureau Limited (org) c/o Sure (Diego Garcia) Limited, Diego Garcia, British Indian Ocean Territories, PSC 466 Box 59, FPO-AP 96595-0059, British Indian Ocean Territory (the)
Internet Computer Bureau Limited — Internet Administrator (admin) c/o Sure (Diego Garcia) Limited, Diego Garcia, British Indian Ocean Territories, PSC 466 Box 59, FPO-AP 96595-0059, British Indian Ocean Territory (the)

Error codes

EF00805
EF0103112
EF00803
EF01017
EF03008
EF00512
EF01008
EF01009
EF03005
EF01002
EF03007
EF01015
EF03006
EF01075
EF03011
EF01055
EF03010
EF01095
EF01074
EF0103118

Required fields

techc/email
ownerc/email
adminc/email

Restrictions

Domains can be registered without restrictions.

Root nameservers

C0.NIC.IO
B0.NIC.IO
A0.NIC.IO
A2.NIC.IO

Tasks (API)

create · available · chargeable · automatic
renew · available · chargeable · automatic
delete · available · automatic
restoreNE · available · automatic
update · available · automatic
restore · available · chargeable · manual
transfer · available · chargeable · automatic · AuthInfo required
restoreRenew · available · automatic
restoreARGP · available · automatic
updateStatus · available · automatic
preack · available · automatic

API

Domain Create

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

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

Create AuthInfo1

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

Standard EPP auth code.

Domain Restore

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