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.CO.KR

South Korea

NIDA / KISA · SubTLD · Updated 2026-09-10

OpenIDNTrustee

Specifications

Zone
co.kr
Registration
Standard (manual processing)
Registration period
1 year
Character length
1-63
Nameservers
2-7 nameservers
Transfer time
Manual (days)
Auth code format
Standard EPP
Redemption period
Standard
Handle updates
Yes
Trustee service
Yes
WHOIS update
Standard
WHOIS server
whois.kr
Connection
Direct
Data set
ccTLD
Trustee for
ADMINC, OWNERC
Auth code
Yes

Eligibility & Restrictions

Open to anyone worldwide. No local presence required. IDN supported (.한국 in Hangul). SLDs: .co.kr (commercial), .ne.kr (network), .or.kr (organisations), .re.kr (research), .pe.kr (individuals), .go.kr (government). Most SLDs open to foreign registrants.

Registration

Registry allows up to 10 years. We currently offer 1 year.

Transfer Procedure

Manual transfer process with auth code. Processing may take several days.
Contact data update required pre-transfer. This is the pattern driving support tickets. Always verify registrant contact data is current before initiating .KR transfer.

Registrant Change

Standard process.

Renewal & Deletion

Standard.

Restore / Redemption Grace Period

Standard.

WHOIS / Privacy

Standard WHOIS. Hangul IDN supported.

NIS2 Compliance

N/A. South Korea not subject to EU NIS2.

Known Error Codes & Notes

  • Contact data pre-transfer: Contact data must be accurate before transfer. Outdated data = transfer failure. This is the primary support ticket driver.
  • 2-day processing: Transfer processing takes ~2 days. Longer than real-time ccTLDs.
  • IDN .한국: Korean Hangul IDN available.

Data controllers

  • Korea Internet & Security Agency (KISA) (org) 9, Jinheung-gil, Naju-si Jeollanam-do 58324, Korea (the Republic of)
  • Korea Network Information Center (KRNIC) — Kilnam Chon (admin) 9, Jinheung-gil, Naju-si Jeollanam-do 58324, Korea (the Republic of)

Error codes

  • EF00803
  • EF01017
  • EF03008
  • EF00512
  • EF01008
  • EF01009
  • EF03005
  • EF01002
  • EF03007
  • EF03006
  • EF01075
  • EF03011
  • EF01055
  • EF03041
  • EF03010
  • EF01074
  • EF02071
  • EF0103118
  • EF02070

Required fields

  • techc/email
  • ownerc/email
  • adminc/email

Restrictions

  • Local domain administrator (AdminC) required.
  • Nameserver must be set up in advance and provide an authoritative response.
  • Local domain owner (OwnerC) required (office/residence).
  • Trustee service is only possible if the domain owner is a company.

Root nameservers

  • F.DNS.KR
  • G.DNS.KR
  • B.DNS.KR
  • C.DNS.KR
  • D.DNS.KR
  • E.DNS.KR

Tasks (API)

  • update · available · chargeable · manual
  • transfer · available · chargeable · manual · AuthInfo required
  • preack · available · manual
  • delete · available · manual
  • create · available · chargeable · manual

API

Domain Create

POST https://api.autodns.com/v1/domain
{
  "name": "example.co.kr",
  "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.co.kr",
  "auth": "(AUTH_CODE)"
}

Create AuthInfo1

POST https://api.autodns.com/v1/domain/example.co.kr/_authinfo1
Standard EPP auth code.

Domain Restore

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