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一个PHP Whois域名检查函数代码

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Release: 2016-06-13 09:35:51
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   以前在做PHP主机域名程序时候用的一个Whois检查代码,用来确定所查询的域名是否被注册,函数囊括了大部分的域名后缀,将根据后缀的不同连接到不同的查询服务器,以前能用,时间关系,我现在暂时没有测试那些查询网址现在是否还能用,若不能用,就需要你自己找资料,看看现在的网址是什么。

  01

  02function whois_query($domain) {

  03 $domain = strtolower(trim($domain));

  04 $domain = preg_replace('/^http:\/\//i','',$domain);

  05 $domain = preg_replace('/^www\./i','',$domain);

  06 $domain = explode('/',$domain);

  07 $domain = trim($domain[0]);

  08 // 切割域名

  09 $_domain = explode('.',$domain);

  10 $lst = count($_domain)-1;

  11 $ext = $_domain[$lst];

  12 //定义不同域名后缀所需要连接的查询服务器地址

  13 $servers = array(

  14 "biz" => "whois.neulevel.biz",

  15 "com" => "whois.internic.net",

  16 "us" => "whois.nic.us",

  17 "coop" => "whois.nic.coop",

  18 "info" => "whois.nic.info",

  19 "name" => "whois.nic.name",

  20 "net" => "whois.internic.net",

  21 "gov" => "whois.nic.gov",

  22 "edu" => "whois.internic.net",

  23 "mil" => "rs.internic.net",

  24 "int" => "whois.iana.org",

  25 "ac" => "whois.nic.ac",

  26 "ae" => "whois.uaenic.ae",

  27 "at" => "whois.ripe.net",

  28 "au" => "whois.aunic.net",

  29 "be" => "whois.dns.be",

  30 "bg" => "whois.ripe.net",

  31 "br" => "whois.registro.br",

  32 "bz" => "whois.belizenic.bz",

  33 "ca" => "whois.cira.ca",

  34 "cc" => "whois.nic.cc",

  35 "ch" => "whois.nic.ch",

  36 "cl" => "whois.nic.cl",

  37 "cn" => "whois.cnnic.net.cn",

  38 "cz" => "whois.nic.cz",

  39 "de" => "whois.nic.de",

  40 "fr" => "whois.nic.fr",

  41 "hu" => "whois.nic.hu",

  42 "ie" => "whois.domainregistry.ie",

  43 "il" => "whois.isoc.org.il",

  44 "in" => "whois.ncst.ernet.in",

  45 "ir" => "whois.nic.ir",

  46 "mc" => "whois.ripe.net",

  47 "to" => "whois.tonic.to",

  48 "tv" => "whois.tv",

  49 "ru" => "whois.ripn.net",

  50 "org" => "whois.pir.org",

  51 "aero" => "whois.information.aero",

  52 "nl" => "whois.domain-registry.nl"

  53 );

  54 if (!isset($servers[$ext])){

  55 die('Error: 没有找到匹配的服务器!');

  56 }

  57 $nic_server = $servers[$ext];

  58 $output = '';

  59 //连接域名服务器:

  60 if ($conn = fsockopen ($nic_server, 43)) {

  61 fputs($conn, $domain."\r\n");

  62 while(!feof($conn)) {

  63 $output .= fgets($conn,128);

  64 }

  65 fclose($conn);

  66 }

  67 else { die('Error: 不能连接到: ' . $nic_server . '!'); }

  68 return $output;

  69}

  70?>

  函数调用后,将直接返回结果。

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