The registration of a .hk or domain is available to anyone and normally processed within an hour.

Registration of a second level domain like is bound to locality and other restrictions. Documentary proof should be submitted to the registry upon request.

View the eligibility criteria on the registry's website for all information.




A .hk transfer needs to be started with an authorization code. After successful initiation of the transfer, the .hk registry holds the request for 3 calendar days. During this period the transfer request can be cancelled. If no cancellation request is received the domain transfer will be finished.


If the transfer code (authorization code) is not known by the registrant, it can be requested from the registry through the registry's website.


Transfer characteristics
Transfer authorization code required yes
Method of confirmation authcode
Registration period after transfer unchanged
Transfer time 3 days
Advanced and simple transfers available Contact our Sales department to check if easy transfer of 100 or more .hk domains is available.


Trade (owner change)


A .hk domain trade is started by filling and signing a trade form, which depends on the type of registrant:

The signed form can be sent by fax or e-mail to Openprovider. The tracking number in the document can be left blank Openprovider will enter it for you.




An update of a .hk domain is not realtime. Change of registrant is done by the separate trade command.

In order to change nameservers of HK domain please contact our support team




After the deletion request has been sent to the registry, the domain contacts are notified about this request. The domain contacts have six calendar days to object against this deletion. After those six calender days the domain is put into the so-called 'BlackOut' status for a period of 60 days. This status is only visible via the web-based whois.


Restore (reactivation)


During the 60 days of the BlackOut period it is possible to restore the domain name. Additional fees apply. Contact the Openprovider Support team for more information.


TLD information


Detailed extension information
Technical information
  • Available second level domains:,,,,,
  • DNSSEC support: no
  • Minimum length: 2 characters
  • Maximum length: 63 characters
  • Allowed characters: a-z 0-9 -
  • IDN characters: yes
  • Registration period: 1 or 2 or 3 years
  • Renewal date offset: 28 days
    The number of days before the registry's expiration date, that Openprovider requires the domain to be renewed or expired. More info.
  • 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? no
  • Local activity required? no
  • Correct nameserver configuration required? no
  • .hk domains can be registered without limitation, as long as you are a company; second level domains might require local presence and additional documents.
  • Company number is required
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:
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