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.nadex Registry Agreement

On 11 Dec 2014, ICANN and IG Group Holdings PLC entered into a Registry Agreement under which IG Group Holdings PLC operated the .nadex top-level domain. Effective 16 December 2014, the Registry Agreement was assigned by IG Group Holdings PLC to Nadex Domains, Inc. which now operates the .nadex top-level domain. The agreement may be viewed by following the links below:

On 13 April 2020, ICANN provided Nadex Domains, Inc. with a Notice of Registry Agreement Termination. Please refer to the gTLD Registry Agreement Termination Page for more information about this termination.

Registry Agreement

2017 Global Amendment to the base Registry Agreement

The 2017 Global Amendment to the base New gTLD Registry Agreement is effective as of 31 July 2017. For additional information, please visit the Global Amendment webpage.

Assignment and Assumption Agreement(s)

IG Group Holdings PLC to Nadex Domains, Inc. (16 December 2014)

Notice of Exemption (11 December 2014)

Specification 9 - Registry Operator Code of Conduct

  • Exemption granted by way of Specification 13

Specification 13 (11 December 2014)1

.BRAND TLD Provisions

1 As modified by Base Specification 13 – Updated 31 July 2017 published on the Registry Agreements webpage.

Updates to General Notices Contact

  • PDF (25 October 2016)
  • PDF (07 November 2017)
  • PDF (08 July 2019)

Note: If multiple versions are provided above, the official document is the Word version. The HTML version is machine-generated and may not display correctly.

Name Collision Occurrence Management Documents

TLD Startup Information

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Domain Name System
Internationalized Domain Name ,IDN,"IDNs are domain names that include characters used in the local representation of languages that are not written with the twenty-six letters of the basic Latin alphabet ""a-z"". An IDN can contain Latin letters with diacritical marks, as required by many European languages, or may consist of characters from non-Latin scripts such as Arabic or Chinese. Many languages also use other types of digits than the European ""0-9"". The basic Latin alphabet together with the European-Arabic digits are, for the purpose of domain names, termed ""ASCII characters"" (ASCII = American Standard Code for Information Interchange). These are also included in the broader range of ""Unicode characters"" that provides the basis for IDNs. The ""hostname rule"" requires that all domain names of the type under consideration here are stored in the DNS using only the ASCII characters listed above, with the one further addition of the hyphen ""-"". The Unicode form of an IDN therefore requires special encoding before it is entered into the DNS. The following terminology is used when distinguishing between these forms: A domain name consists of a series of ""labels"" (separated by ""dots""). The ASCII form of an IDN label is termed an ""A-label"". All operations defined in the DNS protocol use A-labels exclusively. The Unicode form, which a user expects to be displayed, is termed a ""U-label"". The difference may be illustrated with the Hindi word for ""test"" — परीका — appearing here as a U-label would (in the Devanagari script). A special form of ""ASCII compatible encoding"" (abbreviated ACE) is applied to this to produce the corresponding A-label: xn--11b5bs1di. A domain name that only includes ASCII letters, digits, and hyphens is termed an ""LDH label"". Although the definitions of A-labels and LDH-labels overlap, a name consisting exclusively of LDH labels, such as""icann.org"" is not an IDN."