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CHANGELOG.md
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README.md

Introduction

This package contains a Whois (RFC954) library for PHP. It allows a PHP program to create a Whois object, and obtain the output of a whois query with the lookup function.

The response is an array containing, at least, an element 'rawdata', containing the raw output from the whois request.

In addition, if the domain belongs to a registrar for which a special handler exists, the special handler will parse the output and make additional elements available in the response. The keys of these additional elements are described in the file HANDLERS.md.

It fully supports IDNA (internationalized) domains names as defined in RFC3490, RFC3491, RFC3492 and RFC3454.

It also supports ip/AS whois queries which are very useful to trace SPAM. You just only need to pass the doted quad ip address or the AS (Autonomus System) handle instead of the domain name. Limited, non-recursive support for Referral Whois (RFC 1714/2167) is also provided.

Requirements

phpWhois requires PHP 5.3 or better with OpenSSL support to work properly.

Without SSL support you will not be able to query domains which do not have a whois server but that have a https based whois.

Installation

Via composer

Stable version

php composer.phar require "phpwhois/phpwhois":"~4.0"

Latest development version

php composer.phar require "phpwhois/phpwhois":"dev-master"

Example usage

(see example.php)

// Load composer framework
if (file_exists(__DIR__ . '/vendor/autoload.php')) {
    require(__DIR__ . '/vendor/autoload.php');
}

use phpWhois\Whois;

$whois = new Whois();
$query = 'example.com';
$result = $whois->lookup($query,false);
echo "<pre>";
print_r($result);
echo "</pre>";

If you provide the domain name to query in UTF8, then you must use:

$result = $whois->lookup($query);

If the query string is not in UTF8 then it must be in ISO-8859-1 or IDNA support will not work.

What you can query

You can use phpWhois to query domain names, ip addresses and other information like AS, i.e, both of the following examples work:

use phpWhois\Whois;
$whois = new Whois();
$result = $whois->lookup('example.com');

$whois = new Whois();
$result = $whois->lookup('62.97.102.115');

$whois = new Whois();
$result = $whois->lookup('AS220');

Using special whois server

Some registrars can give special access to registered whois gateways in order to have more fine control against abusing the whois services. The currently known whois services that offer special acccess are:

ripe

The new ripe whois server software support some special parameters that allow to pass the real client ip address. This feature is only available to registered gateways. If you are registered you can use this service when querying ripe ip addresses that way:

use phpWhois\Whois;
$whois = new Whois();
$whois->useServer('uk','whois.ripe.net?-V{version},{ip} {query}');
$result = $whois->lookup('62.97.102.115');

whois.isoc.org.il

This server is also using the new ripe whois server software and thus works the same way. If you are registered you can use this service when querying .il domains that way:

use phpWhois\Whois;
$whois = new Whois();
$whois->useServer('uk','whois.isoc.org.il?-V{version},{ip} {query}');
$result = $whois->lookup('example.co.uk');

whois.nic.uk

They offer what they call WHOIS2 (see http://www.nominet.org.uk/go/whois2 ) to registered users (usually Nominet members) with a higher amount of permited queries by hour. If you are registered you can use this service when querying .uk domains that way:

use phpWhois\Whois;
$whois = new Whois();
$whois->useServer('uk','whois.nic.uk:1043?{hname} {ip} {query}');
$result = $whois->lookup('example.co.uk');

This new feature also allows you to use a different whois server than the preconfigured or discovered one by just calling whois->useServer and passing the tld and the server and args to use for the named tld. For example you could use another whois server for .au domains that does not limit the number of requests (but provides no owner information) using this:

use phpWhois\Whois;
$whois = new Whois();
$whois->useServer('au','whois-check.ausregistry.net.au');

or:

use phpWhois\Whois;
$whois = new Whois();
$whois->useServer('be','whois.tucows.com');

to avoid the restrictions imposed by the .be whois server

or:

use phpWhois\Whois;
$whois = new Whois();
$whois->useServer('ip','whois.apnic.net');

to lookup an ip address at specific whois server (but loosing the ability to get the results parsed by the appropiate handler)

useServer can be called as many times as necessary. Please note that if there is a handler for that domain it will also be called but returned data from the whois server may be different than the data expected by the handler, and thus results could be different.

Getting results faster

If you just want to know if a domain is registered or not but do not care about getting the real owner information you can set:

$whois->deepWhois = false;

this will tell phpWhois to just query one whois server. For .com, .net and .tv domains and ip addresses this will prevent phpWhois to ask more than one whois server, you will just know if the domain is registered or not and which is the registrar but not the owner information.

UTF-8

PHPWhois will assume that all whois servers return UTF-8 encoded output, if some whois server does not return UTF-8 data, you can include it in the NON_UTF8 array in whois.servers.php

Workflow of getting domain info

  1. Call method phpWhois\Whois::lookup() with domain name as parameter
  2. If second parameter of method is true (default), phpWhois will try to convert the domain name to punycode
  3. If domain is not listed in predefined handlers (WHOIS_SPECIAL at src/whois.servers.php), try to query [tld].whois-servers.net. If it has ip address, assume that it is valid whois server
  4. Try to query found whois server or fill response array with unknown() method

Notes

There is an extended class called phpWhois\Utils which contains a debugging function called showObject(), if you showObject($result) it will output the total layout of the returned object to the web browser.

The latest version of the package and a demo script resides at https://github.com/phpWhois/phpWhois

Contributing

If you want to add support for new TLD, extend functionality or correct a bug, feel free to create a new pull request at Github's repository https://github.com/phpWhois/phpWhois

Credits

Mark Jeftovic markjr@easydns.com

David Saez Padros david@ols.es

Ross Golder ross@golder.org

Dmitry Lukashin dmitry@lukashin.ru