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TLD Enumerations

Lists of every IANA TLD in various formats. The lists may be continuously updated using the included utility that pulls the latest data from IANA.

CSV format
All Formats
Updating the TLDs
Node Usage
PHP Usage

Usage

Because the lists are provided in universial CSV and JSON formats, they can be easily utilitized in most programming environments. Additionally, for convenience, some native programming language formats have also been provided.

Node Usage
PHP Usage

Node Usage

use npm to add the tld-enum package to your project
```
$ npm install tld-enum --save
```
add the module to your source
```
const tldEnum = require('tld-enum');
```

access the list by using the tldEnum.tldList array

const tldEnum = require('tld-enum');
tldEnum.tldList; //an array with every IANA TLD

The following example...

const tldEnum = require('tld-enum');

console.log("There are " + tldEnum.tldList.length + " IANA TLDs");

let tldCheck;

tldCheck = "com";
console.log("Is '" + tldCheck + "' a real TLD?");
if (tldEnum.tldList.indexOf(tldCheck.toLowerCase()) != -1) {
    console.log("  yes");
} else {
    console.log("  no");
}

tldCheck = "somethingWeird";
console.log("Is '" + tldCheck + "' a real TLD?");
if (tldEnum.tldList.indexOf(tldCheck.toLowerCase()) != -1) {
    console.log("  yes");
} else {
    console.log("  no");
}

Should produce the following output...

There are 1573 IANA TLDs
Is 'com' a real TLD?
   yes
Is 'somethingWeird' a real TLD?
   no

PHP Usage

use composer to add the katmore/tld-enum package to your project
```
$ composer require katmore/tld-enum
```

access the list by using the \TldEnum\TldEnum::TLD_ENUM class constant array

<?php
require_once __DIR__ . '/vendor/autoload.php';
\TldEnum\TldEnum::TLD_ENUM; //an array with every IANA TLD

The following example...

<?php
use TldEnum\TldEnum;

require __DIR__ . '/vendor/autoload.php';

echo "There are " . count(TldEnum::TLD_ENUM) . " IANA TLDs\n";

$tldCheck = "com";
echo "Is '$tldCheck' a real TLD?\n";
if (in_array(strtolower($tldCheck), TldEnum::TLD_ENUM)) {
    echo "  yes\n";
} else {
    echo "  no\n";
}

$tldCheck = "somethingWeird";
echo "Is '$tldCheck' a real TLD?\n";
if (in_array(strtolower($tldCheck), TldEnum::TLD_ENUM)) {
    echo "  yes\n";
} else {
    echo "  no\n";
}

Should produce the following output...

There are 1573 IANA TLDs
Is 'com' a real TLD?
   yes
Is 'somethingWeird' a real TLD?
   no

Examples

TLD List Formats

CSV: tlds.csv

A CSV file providing a row for each TLD with the following three columns: domain (TLD), description, and type.
PHP: TldEnum.php

A PHP source file providing a class with a constant having an array value comprised of every IANA TLD.
JSON: tld-list.json

A JSON formatted array comprised of every IANA TLD.
JavaScript: tld-enum.js

An export module with a constant having an array value comprised of every IANA TLD.

Updating the TLD lists

All TLD List Formats can be with the latest data from IANA by using the TLD Update Utility.

$ bin/update-formats.sh

TLD Update Utility Prerequisites

Node.js version 8.11 or higher.
(Optional) PHP command-line version 7.2 or higher, to create the PHP format class file.

TLD Update Utility Usage

usage:
  update-formats.sh [-h] | [-q][--skip-php]

options:
  -h,--help: Print a help message and exit.
  -q,--quiet: Print less messages.
  --force-php: Creating the PHP format file is mandatory.
  --skip-php: Always skip creating the PHP format file

TLD Update Helpers

Internally, the TLD Update Utility uses multiple "helper" scripts to generate the full set of native format lists. These individual "helper" scripts should not be directly executed except for development and troubleshooting purposes.

Legal

The source code in this project is based on a fork of certain source code originally from the incognico/list-of-top-level-domains project, as retrieved on 2017-12-04, which was published to the public domain.

Copyright

TLD Enumerations - https://github.com/katmore/tld-enum

The following copyright notice applies to all resources in this project unless specifically noted otherwise:

Public Domain Resources

The following resources of this project are hereby released into the public domain:

License

All resources in the 'TLD Enumerations' project are copyrighted free software unless specifically noted otherwise.

You may redistribute and modify it under either the terms and conditions of the "The MIT License (MIT)"; or the terms and conditions of the "GPL v3 License". See LICENSE and GPLv3.

These licensing conditions do not apply to any resources that have been released into the public domain; which are listed in the "Public Domain Resources" section of the 'TLD Enumerations' project's README document.

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