This article describes the procedures and requirements of .tw domain names.
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You can register a .tw domain through our API or control panel. This registration is real time and requires the following information:

  • the domain's contact handles (owner, administrative, etc.)
  • two or more nameservers or a nameserver group
  • The company/organization and the Unified Business Number have to be inserted in the contact organization value in the following way:
    <Unified Business Number>::<Organization Name> for example 17597502::ABC Company.
  • This number is only required if the owner is a company/organization. For registrations with natural persons as owner, the extension is not mandatory.


A transfer can be requested using the authorization code. The domain holder will have to confirm the transfer by clicking a link in an e-mail.

Authorization code required yes
Method of confirmation authcode,forms
Registration period after transfer extends
Average transfer time 5-10 days
Advanced and simple transfers available Contact our Sales department to check if easy transfer of 100 or more .tw domains is available.

Owner change (trade)

An owner change can be performed by updating the owner handle of the domain. This change is processed realtime. The whois will take 6 hours to update.

Other update

An contact update can be performed by updating the handle of the domain. This change is processed realtime. The whois will take 6 hours to update.


A domain can be set to not renew at the end of the current period.

Restore / reactivate

It is not possible to reactivate deleted domains there is no quarantine period.

Technical information
  • Available second level domains: .edu.tw, .gov.tw, .mil.tw, .com.tw, .net.tw, .org.tw, .idv.tw, .game.tw, .ebiz.tw, .club.tw, .tw
  • DNSSEC support: no
  • Min: 3
  • Max: 63
  • Alphanumeric and a hyphen
  • except in the first or last position
  • IDN: yes, only for Chinese characters under the .tw top level domain; IDNs are not supported under .tw second level domains.
  • Registration period: 1-10 years
  • Renewal date offset: 0 days
    The number of days before the registry's expiration date, that Openprovider requires the domain to be renewed or expired. More info.
    Note that the dates as shown in your Openprovider account are always leading, even if they do not match the renewal date offset mentioned here.
  • Soft quarantine period: n/a days
    During this period, following after an expiration, the domain can be restored for free. This period does not apply if the domain is deleted explicitly. More info.
  • Quarantine period: 0 days
    During this period, an expired or deleted domain name can be reactivated at an additional fee.
  • Local presence required? no
  • Does Openprovider provide local presence services? n/a
  • Local activity required? no
  • Correct nameserver configuration required? no
  • The Domain(s) can be registered without further limitations.
  • TWNIC's Registration Policy and Technical Solution for the .台灣 and .台湾 IDN ccTLDs: http://www.twnic.net.tw/english/dn/dn_07a.htm
  • TWNIC Domain Name Dispute Resolution Policy: http://www.twnic.net.tw/english/dn/dn_04.htm
  • Supervision and Guidance Regulation for Internet Protocol (IP) Address and Domain Name Registration and Management Services: http://www.twnic.net.tw/file/ip0320.htm
  • Guidelines for Administration of Domain Name Registration: http://www.twnic.net.tw/english/dn/dn_02.htm
  • Guidelines for Authorisation of Domain Name Registration Services: http://www.twnic.net.tw/english/dn/dn_07.htm
  • Rules for TWNIC Domain Name Dispute Resolution Policy: http://www.twnic.net.tw/english/dn/dn_04a.htm
Registration agreement The registry requires that a registration agreement is in place between the provider and the domain holder. The text of this registration agreement and any required supplements is the following:

Due to the regular changes in registry rules and configuration or missing information from registry side, and despite our effort to keep our knowledge base up-to-date, information in the knowledge base may be outdated or incorrect. If you encounter some issue, please report it through the "HotJar" feedback collector on the bottom right, or (if it is blocked by your browser) by clicking the "Submit a request" link below. No rights can be derived from the information in this knowledge base. If there is discrepancy between the knowledge base and the process in Openprovider, the process in Openprovider is leading.

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