---
title: ".AC.CN — TLD Knowledge Base"
url: "https://help.internetx.com/en/tld/ac-cn/"
data: "https://help.internetx.com/tld-data/ac-cn.json"
lang: "en"
tld: ".AC.CN"
registry: "CNNIC"
country: "China"
updated: "2026-09-10"
---

# .AC.CN
## Specifications

| | |
|---|---|
| Zone | ac.cn |
| reg time | Real-time |
| Period | 1-10 years |
| char length | 1-63 |
| Nameservers | 2-7 nameservers |
| transfer time | Manual (days) |
| authcode length | Standard EPP |
| Redemption | 15 d |
| whois update | Standard |
| whois server | whois.cnnic.cn |
| Connection | Via Chinese registrar |
| data set | ccTLD |

## Eligibility & Restrictions

Since January 6, 2010: new .CN registrations by overseas registrars SUSPENDED INDEFINITELY. Existing .CN domains can be renewed. Foreign entities must register through a Chinese entity or local presence.

> New overseas registrations suspended indefinitely since 2010. Any new .CN must be registered through a CNNIC-accredited registrar in China.

## Registration

1-10 years.

## Transfer Procedure

Manual transfer process with auth code. Processing may take several days.

> 📘 [ICANN Transfer Policy (IRTP)](/en/icann/icann-transfer/) — See ICANN Transfer Policy for the full IRTP framework, auth code rules, 60-day lock periods, and TEAC.

## Registrant Change

Must be handled through CNNIC-accredited Chinese registrar.

> 📘 [ICANN OwnerChange (COR)](/en/icann/icann-ownerchange/) — See ICANN OwnerChange for COR triggers, FOA/DA modes, 60-day lock, and opt-out.

## Renewal & Deletion

Existing domains can be renewed.

> 📘 [ICANN ERRP](/en/icann/icann-errp/) — See ICANN ERRP for the standard gTLD expiry lifecycle (Auto-Renew Grace → RGP → Pending Delete → Released).

## Restore / Redemption Grace Period

15-day RGP. No Pending Delete period after RGP. Available immediately after 15 days.

> 📘 [ICANN ERRP](/en/icann/icann-errp/) — See ICANN ERRP for RGP details and standard restore fees.

## WHOIS / Privacy

Full registrant data publicly visible. No WHOIS privacy available.

> 📘 [ICANN Registration Data Policy](/en/icann/icann-rdp/) — See Registration Data Policy for RDP 2025, RDAP, redaction defaults, and privacy/proxy rules.

## NIS2 Compliance

N/A. China not subject to EU NIS2.

> 📘 [NIS2 Compliance](/en/icann/ts-nis2/) — See NIS2 Compliance for Article 28 requirements, registry implementation status, and operational impact.

## Known Error Codes & Notes

- code: Overseas suspended, desc: New overseas registrations suspended indefinitely since 2010.
- code: Content restrictions, desc: Domain name content restrictions apply (politically sensitive terms prohibited).

## Further information

- label: CNNIC, url: https://cnnic.cn

## Tasks (API)

- label: update, available: true, chargeable: false, authinfo: null, requiredAuthinfo: null, min: null, max: null, processing: AUTOMATED
- label: create, available: true, chargeable: true, authinfo: null, requiredAuthinfo: false, min: [object Object], max: [object Object], processing: AUTOMATED
- label: updateStatus, available: true, chargeable: false, authinfo: null, requiredAuthinfo: null, min: null, max: null, processing: AUTOMATED
- label: preack, available: true, chargeable: false, authinfo: null, requiredAuthinfo: null, min: null, max: null, processing: AUTOMATED
- label: transfer, available: true, chargeable: true, authinfo: ALL, requiredAuthinfo: true, min: [object Object], max: [object Object], processing: SEMIAUTOMATED
- label: delete, available: true, chargeable: false, authinfo: null, requiredAuthinfo: null, min: null, max: null, processing: AUTOMATED
- label: renew, available: true, chargeable: true, authinfo: null, requiredAuthinfo: null, min: [object Object], max: [object Object], processing: AUTOMATED
- label: restore, available: true, chargeable: true, authinfo: null, requiredAuthinfo: null, min: null, max: null, processing: AUTOMATED

## Data controllers

- name: , type: org, organisation: China Internet Network Information Center (CNNIC), address: No. 4, South 4th Street,Zhong Guan Cun,Beijing 100190,China
- name: Yu Zeng, type: admin, organisation: China Internet Network Information Center (CNNIC), address: No. 4, South 4th Street,Zhong Guan Cun,Beijing 100190,China

## Required fields

- ownerc/email

## Restrictions

- text: Nachweis erforderlich. HR-Auszug (Firma), bzw. Personalausweiskopie (Privatperson)., language: de
- text: Besonderer Validierungsprozess für den Domaininhaber. Weitere Details auf der Webseite., language: de
- text: Special validation process for domain owner. Please see website., language: en
- text: Only ASCII domains possible., language: en
- text: Nur ASCII-Domains möglich., language: de
- text: Confirmation required. Copy of commercial licence (companies) or copy of Identity Card (individuals)., language: en

## Error codes

- EF00803
- EF01017
- EF03008
- EF00512
- EF01008
- EF01009
- EF03005
- EF01002
- EF03007
- EF01015
- EF03006
- EF01075
- EF03011
- EF01055
- EF03041
- EF03040
- EF03010
- EF01095
- EF01074
- EF0103118

## Root nameservers

- C.DNS.CN
- D.DNS.CN
- E.DNS.CN
- NS.CERNET.NET
- A.DNS.CN
- B.DNS.CN

## API

## Domain Create

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

{
  "name": "example.ac.cn",
  "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.ac.cn",
  "auth": "(AUTH\_CODE)"
}

## Create AuthInfo1

POST https://api.autodns.com/v1/domain/example.ac.cn/\_authinfo1

Standard EPP auth code.

## Domain Restore

POST https://api.autodns.com/v1/domain/example.ac.cn/\_restore