A list of top level domains (TLDs) in CSV-format

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README.md

TLD Enumerations

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

CSV Format
All Format Files
Updating the Format Files
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
More Node Examples
PHP Usage
More PHP Examples

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');
console.log(tldEnum.list); //an array with every IANA TLD

The following example...

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

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

let tldCheck;

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

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

Should produce the following output...

There are 1577 IANA TLDs
Is 'com' a real TLD?
   yes
Is 'somethingWeird' a real TLD?
   no

More Node Examples

js-demo.js Demo using the simple array of every TLD in JavaScript.
js-desc-demo.js Demo using the TLD description hashmap in JavaScript.
js-type-demo.js Demo using the TLD type hashmap in JavaScript.
js-info-demo.js Demo using the array of TLD info hashmaps in JavaScript.

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\TldList::TLD_LIST class constant array

<?php
print_r(\TldEnum\TldList::TLD_LIST); //an array with every IANA TLD

The following example...

<?php
use TldEnum\TldList;

echo "There are " . count(TldList::TLD_LIST) . " IANA TLDs\n";

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

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

Should produce the following output...

There are 1577 IANA TLDs
Is 'com' a real TLD?
   yes
Is 'somethingWeird' a real TLD?
   no

More PHP Examples

php-demo.php Demo using the simple array of every TLD in PHP.
php-TldDesc-demo.php Demo using the TLD description hashmap in PHP.
php-TldType-demo.php Demo using the TLD type hashmap in PHP.
php-TldInfo-demo.php Demo using the array of TLD info hashmaps in PHP.

TLD List Formats

CSV: tlds.csv

A CSV file providing a row for every IANA TLD with the following three columns: domain (TLD), description, and type.
PHP
- TldList.php
  
  A PHP source file providing a class constant array comprised of every IANA TLD.
- TldDesc.php
  
  A PHP source file providing a class constant assoc array with a key for every IANA TLD and the corresponding TLD's "description" as the value.
- TldType.php
  
  A PHP source file providing a class constant assoc array with a key for every IANA TLD and the corresponding TLD's "type" as the value.
- TldInfo.php
  
  A PHP source file providing a class constant array of "info" assoc array elements of every IANA TLD.
JSON
- tld-list.json
  
  A JSON formatted array comprised of every IANA TLD.
- tld-desc.json
  
  A JSON formatted object with a property for every IANA TLD and the corresponding TLD's "description" as the value.
- tld-type.json
  
  A JSON formatted object with a property for every IANA TLD and the corresponding TLD's "type" as the value.
- tld-info.json
  
  A JSON formatted array of "info" object elements of every IANA TLD.
JavaScript
- list.js
  
  An export module with an array comprised of every IANA TLD.
- desc.js
  
  An export module with an object containing a property for every IANA TLD and the corresponding TLD's "description" as the value.
- type.js
  
  An export module with an object containing a property for every IANA TLD and the corresponding TLD's "type" as the value.
- info.js
  
  An export module with an array comprised of "info" object elements of every IANA TLD.

Updating the TLD format files

All TLD List Formats can be updated 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 re-generate the PHP format files.

The devDependencies from package.json must be available.

If tld-enum was installed in an outside project using npm, then the tld-enum dev dependencies must be installed manually, as in the following example:

npm install async-request --save-dev
npm install cheerio --save-dev
npm install commander --save-dev
npm install country-data --save-dev
npm install countryjs --save-dev
npm install csv-parse --save-dev
npm install csv-stringify --save-dev
npm install es6-promisify --save-dev
npm install fs --save-dev
npm install fs-extra --save-dev
npm install md5-file --save-dev
npm install pathinfo --save-dev
npm install request --save-dev
npm install tmp --save-dev

If tld-enum was installed in an outside project using npm, then the TLD Update Utility can be executed from the node_module directory, as in the following example:
```
node_modules/tld-enum/bin/update-formats.sh
```

TLD Update Utility Usage

usage:
  update-formats.sh [-h]|[-q][format file options...]

-h,--help: Print a help message and exit.
-q,--quiet: Print only critical messages.

format file options:
  --force-php: Creating the PHP format files is mandatory.
  --skip-php: Always skip creating the PHP format files.
  --skip-csv: Use existing tlds.csv and do not download new data from IANA.

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:

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.

Public Domain Resources

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