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Overview: List all Top Level Domains

.nu

API commands

Please find in the following a set of the most commonly used standard API commands in order to register, modify, renew, and transfer a domain name.

Domain Registration

(API Command reference » AddDomain)
Exception
command         = AddDomain
domain          = yourdomain.nu
period          = (INT)
ownercontact0   = (CONTACT)
admincontact0   = (CONTACT)
techcontact0    = (CONTACT)
billingcontact0 = (CONTACT)
nameserver0	= (NAMESERVER)
nameserver1 	= (NAMESERVER)
X-NU-IIS-IDNO = (TEXT)
X-NU-IIS-VATNO = (TEXT)

Domain Modification

(API Command reference » ModifyDomain)
Standard command
command = ModifyDomain
domain  = yourdomain.nu

Change of registrant

Exception
command       = TradeDomain
domain        = yourdomain.nu
ownercontact0 = (CONTACT)
X-NU-IIS-IDNO = (TEXT)
X-NU-IIS-VATNO = (TEXT)
  • The change of registrant of a .nu domain name requires a special form, which can be generated through our formgenerator. The domain will not be renewed after the trade. Be aware that the use of the already set owner contact handle during the trade does not update the extension parameters.
    • A signed copy of the needed form can be sent by mail to [email protected] (max. 10MB, .pdf only).

Domain Renewal

(API Command reference » RenewDomain)
Command
command    = RenewDomain
domain     = yourdomain.nu
period     = (INT)
expiration = (INT)

Domain Deletion

(API Command reference » DeleteDomain)
Command
COMMAND = DeleteDomain
DOMAIN = yourdomain.nu

Domain Transfer

(API Command reference » TransferDomain)
Command
command = TransferDomain
domain = yourdomain.nu
action = REQUEST
auth = (TEXT)

Authorization Codes

Command
command = ModifyDomain
domain = yourdomain.nu
x-request-authcode = 1

Starting June 1st, 2024, auth-codes can only be set by the registry. To request a new auth-code, please submit a ModifyDomain command with x-request-authcode = 1. Afterwards you can retrieve the new auth-code via a StatusDomain command.

New auth-codes have the format detailed below:
TLD-expire date-registrar-unique token
NU-230506-TESTAB-8fb1afcd-fc92-4809-a77f-b8641b7723ab

Please be aware that the whole string is needed as auth code.

Domain Restore

(API Command reference » RestoreDomain)
Command
command = RestoreDomain
domain  = yourdomain.nu

Domain Extensions

X-NU-IIS-IDNOPersonal identification number, corporate identity number or registration designation in a governmental register.
For contacts located in Sweden a valid Swedish ID number is necessary (e.g.: 123456-1234)
X-NU-IIS-VATNOValid VAT ID for companies.

Domain Restrictions

Any natural person or legal entity with a personal identification number or corporate identity number, or that can be identified via a registration designation in a register maintained by a governmental authority, or by an organization exercising state authority, may apply for registration of a domain name under the top-level domain .nu. For foreign domain holders, a unique identification number can be used instead.

IDN Information

Valid IDN languages are languages regarding ISO-8859-1, Western European languages, with the exception of the Dutch "ij" ligature

Supported IDN Scripts

The following IDN scripts are supported by .nu.
Provide the LANGUAGE TAG corresponding to your desired IDN within the AddDomain command as X-IDN-LANGUAGE extension.

LatinLAT
SwedishSE

Get more information of "IDN tables", which represent permitted code points (letters) allowed for Internationalised Domain Name registrations in particular registries on IANA Repository of IDN Practices.

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