Set the registrar lock for a domain name.


Set the registrar unlock value to 0 to prevent unauthorized transfer of a domain name to another registrar.

Set the registrar unlock value to 1 to allow unrestricted transfer of a domain name.


All resellers have access to this command.

Implementation on

Log on to with Login ID resellid, password resellpw.

On the Domain Name Maintenance page, the check box marked Do not allow this name to be transferred sets the value for the UnlockRegistrar parameter, and the save changes button calls the SetRegLockcommand.


The query must meet the following requirements:

  • The login ID and password must be valid.
  • The domain name must belong to this account.

Input parameters

Build the query string using this syntax:
command=nameofcommand&uid=yourloginid&pw=yourpassword &paramname=paramvalue&nextparamname=nextparamvalue


Parameter Status Description Max Size
UID Required Account login ID 20
PW Required Account password 20
SLD Required Second-level domain name (for example, enom in 63
TLD Required Top-level domain name (extension) 15
UnlockRegistrar Required Lock option to be set. Permitted values are 1 to unlock, 0 to lock). 1
ResponseType Optional Format of response. Permitted values are Text (default), HTML, or XML. 4


Returned parameters and values

Parameter Description
reg-lock Current lock status.
RRPCodeSR Registry response code for our internal use.
RRPText Verbose description of RRPCodeSR.
Command Name of command executed
ErrCount The number of errors if any occurred. If greater than 0, check the Err(1 to ErrCount) values.
ErrX Error messages explaining the failure. These can be presented as-is back to the client.
Done True indicates this entire response has reached you successfully.
TrackingKey Identification number for this query, for our history and error logs.



  • The default response format is plain text. To receive the response in HTML or XML format, sendResponseType=HTML or ResponseType=XML in your request.
  • Check the return parameter ErrCount. If greater than 0 the transaction failed. The parameter Err(ErrCount) can be presented to the client. Otherwise process the returned parameters as defined above.