PHP whois查询类定义与用法示例

<?php
class Whois{
private $WHOIS_SERVERS = array(
"" => array("whois.verisign-grs.","whois.crsnic."),
"" => array("whois.verisign-grs.","whois.crsnic."),
"" => array("whois.pir.","whois.publicinterestregistry."),
"info" => array("whois.afilias.info","whois.afilias."),
"" => array("whois.neulevel."),
"us" => array("whois.nic.us"),
"uk" => array("whois.nic.uk"),
"ca" => array("whois.cira.ca"),
"tel" => array("whois.nic.tel"),
"ie" => array("whois.iedr.ie","whois.domainregistry.ie"),
"it" => array("whois.nic.it"),
"li" => array("whois.nic.li"),
"no" => array("whois.norid.no"),
"" => array("whois.nic."),
"eu" => array("whois.eu"),
"nu" => array("whois.nic.nu"),
"au" => array("whois.aunic.","whois.ausregistry..au"),
"de" => array("whois.denic.de"),
"ws" => array("whois.worldsite.ws","whois.nic.ws",".nic.ws"),
"sc" => array("whois2.afilias-grs."),
"mobi" => array("whois.dotmobiregistry."),
"pro" => array("whois.registrypro.pro","whois.registry.pro"),
"edu" => array("whois.educause.","whois.crsnic."),
"tv" => array("whois.nic.tv","tvwhois.verisign-grs."),
"travel" => array("whois.nic.travel"),
"name" => array("whois.nic.name"),
"in" => array("whois.inregistry.","whois.registry.in"),
"me" => array("whois.nic.me","whois.meregistry."),
"at" => array("whois.nic.at"),
"be" => array("whois.dns.be"),
"" => array("whois.nic.","whois.nic.."),
"asia" => array("whois.nic.asia"),
"ru" => array("whois.ripn.ru","whois.ripn."),
"ro" => array("whois.rotld.ro"),
"aero" => array("whois.aero"),
"fr" => array("whois.nic.fr"),
"se" => array("whois.iis.se","whois.nic-se.se","whois.nic.se"),
"nl" => array("whois.sidn.nl","whois.domain-registry.nl"),
"nz" => array("whois.srs..nz","whois.domainz..nz"),
"mx" => array("whois.nic.mx"),
"tw" => array("whois.apnic.","whois.twnic..tw"),
"ch" => array("whois.nic.ch"),
"hk" => array("whois.hknic..hk"),
"ac" => array("whois.nic.ac"),
"ae" => array("whois.nic.ae"),
"af" => array("whois.nic.af"),
"ag" => array("whois.nic.ag"),
"al" => array("whois.ripe."),
"am" => array("whois.amnic."),
"as" => array("whois.nic.as"),
"az" => array("whois.ripe."),
"ba" => array("whois.ripe."),
"bg" => array("whois.register.bg"),
"bi" => array("whois.nic.bi"),
"bj" => array(".nic.bj"),
"br" => array("whois.nic.br"),
"bt" => array("whois.names."),
"by" => array("whois.ripe."),
"bz" => array("whois.belizenic.bz"),
"cd" => array("whois.nic.cd"),
"ck" => array("whois.nic.ck"),
"cl" => array("nic.cl"),
"coop" => array("whois.nic.coop"),
"cx" => array("whois.nic.cx"),
"cy" => array("whois.ripe."),
"cz" => array("whois.nic.cz"),
"dk" => array("whois.dk-hostmaster.dk"),
"dm" => array("whois.nic.cx"),
"dz" => array("whois.ripe."),
"ee" => array("whois.ee.ee"),
"eg" => array("whois.ripe."),
"es" => array("whois.ripe."),
"fi" => array("whois.ficora.fi"),
"fo" => array("whois.ripe."),
"gb" => array("whois.ripe."),
"ge" => array("whois.ripe."),
"gl" => array("whois.ripe."),
"gm" => array("whois.ripe."),
"gov" => array("whois.nic.gov"),
"gr" => array("whois.ripe."),
"gs" => array("whois.adamsnames.tc"),
"hm" => array("whois.registry.hm"),
"hn" => array("whois2.afilias-grs."),
"hr" => array("whois.ripe."),
"hu" => array("whois.ripe."),
"il" => array("whois.isoc..il"),
"int" => array("whois.isi.edu"),
"iq" => array("vrx."),
"ir" => array("whois.nic.ir"),
"is" => array("whois.isnic.is"),
"je" => array("whois.je"),
"jp" => array("whois.jprs.jp"),
"kg" => array("whois.domain.kg"),
"kr" => array("whois.nic.or.kr"),
"la" => array("whois2.afilias-grs."),
"lt" => array("whois.domreg.lt"),
"lu" => array("whois.restena.lu"),
"lv" => array("whois.nic.lv"),
"ly" => array("whois.lydomains."),
"ma" => array("whois.iam..ma"),
"mc" => array("whois.ripe."),
"md" => array("whois.nic.md"),
"mil" => array("whois.nic.mil"),
"mk" => array("whois.ripe."),
"ms" => array("whois.nic.ms"),
"mt" => array("whois.ripe."),
"mu" => array("whois.nic.mu"),
"my" => array("whois.mynic..my"),
"nf" => array("whois.nic.cx"),
"pl" => array("whois.dns.pl"),
"pr" => array("whois.nic.pr"),
"pt" => array("whois.dns.pt"),
"sa" => array("saudinic..sa"),
"sb" => array("whois.nic..sb"),
"sg" => array("whois.nic..sg"),
"sh" => array("whois.nic.sh"),
"si" => array("whois.arnes.si"),
"sk" => array("whois.sk-nic.sk"),
"sm" => array("whois.ripe."),
"st" => array("whois.nic.st"),
"su" => array("whois.ripn."),
"tc" => array("whois.adamsnames.tc"),
"tf" => array("whois.nic.tf"),
"th" => array("whois.thnic."),
"tj" => array("whois.nic.tj"),
"tk" => array("whois.nic.tk"),
"tl" => array("whois.domains.tl"),
"tm" => array("whois.nic.tm"),
"tn" => array("whois.ripe."),
"to" => array("whois.tonic.to"),
"tp" => array("whois.domains.tl"),
"tr" => array("whois.nic.tr"),
"ua" => array("whois.ripe."),
"uy" => array("nic.uy"),
"uz" => array("whois.tld.uz"),
"va" => array("whois.ripe."),
"vc" => array("whois2.afilias-grs."),
"ve" => array("whois.nic.ve"),
"vg" => array("whois.adamsnames.tc"),
"yu" => array("whois.ripe.")
);
public function whoislookup($domain)
{
$domain = trim($domain); //remove space from start and end of domain
if(substr(strtolower($domain), 0, 7) == "http://") $domain = substr($domain, 7); // remove http:// if included
if(substr(strtolower($domain), 0, 4) == ".") $domain = substr($domain, 4);//remove  from domain
if(preg_match("/^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$/",$domain))
return $this->queryWhois("whois.laic.",$domain);
elseif(preg_match("/^([-a-z0-9]{2,100})\.([a-z\.]{2,8})$/i",$domain))
{
$domain_parts = explode(".", $domain);
$tld = strtolower(array_pop($domain_parts));
$server = $this->WHOIS_SERVERS[$tld][0];
if(!$server) {
return "Error: No appropriate Whois server found for $domain domain!";
}
$res=$this->queryWhois($server,$domain);
while(preg_match_all("/Whois Server: (.)/", $res, $matches))
{
$server=array_pop($matches[1]);
$res=$this->queryWhois($server,$domain);
}
return $res;
}
else
return "Invalid Input";
}
private function queryWhois($server,$domain)
{
$fp = @fsockopen($server, 43, $errno, $errstr, 20) or die("Socket Error " . $errno . " - " . $errstr);
if($server=="whois.verisign-grs.")
$domain="=".$domain;
fputs($fp, $domain . "\r\n");
$out = "";
while(!feof($fp)){
$out .= fgets($fp);
}
fclose($fp);
return $out;
}
}
?>

<?php
require("whois.class.php");
$whois=new Whois;
echo $whois->whoislookup(".jb51.");
?>