Php实现域名查询源代码

[topvip]

直接从服务器读取信息
<?php
#域名及IP地址查询工具
set_time_limit(0);
#取得传递来的参数，并查询

get();

function whois($name='',$domain='.com'){

if(!$name){return false;}

$ns=array( "CNNIC" =>"whois.cnnic.net.cn",
"INTERNIC" =>"rs.internic.net"
);

$server='';
switch (strtolower(trim($domain))){
#.com
case '.com' :$server=$ns['INTERNIC']; break;
#.net
case '.net' :$server=$ns['INTERNIC']; break;
#.org
case '.org' :$server=$ns['INTERNIC']; break;
#.biz
case '.biz' :$server=$ns['INTERNIC']; break;
#.info
case '.info' :$server=$ns['INTERNIC']; break;
#.cc
case '.cc' :$server=$ns['INTERNIC']; break;
#.cn
case '.cn' :$server=$ns['CNNIC']; break;
#.com.cn
case '.com.cn' :$server=$ns['CNNIC']; break;
#.gov.cn
case '.gov.cn' :$server=$ns['CNNIC']; break;
#.net.cn
case '.net.cn' :$server=$ns['CNNIC']; break;
}#判断结束

return query($name.$domain,$server);
}

function query($domain,$server){
if(!$domain){return false;}
$showmore=$_POST['more'];
$a=array();
$response='';
$fp=@fsockopen($server,43,&$a['err_num'],&$a['err_msg'],10);
if($fp){
#set_socket_blocking($fp,false);
fputs($fp,"$domain\r\n");
while(!feof($fp)) {
$buf= @fgets($fp,1024);
if(ereg( "Name Server:", $buf)){
$a['Server'].="·".trim(str_replace("Name Server: ","",$buf));
}
if(ereg("Expiration Date:",$buf)){
$a['EndDate']=trim(str_replace("Expiration Date: ","",$buf));
}
if(ereg("Whois Server:",$buf)){
$a['Whois']=trim(str_replace("Whois Server:","",$buf));
}
if(eregi("no matching record",$buf)){
$buf=eregi_replace("no matching record","没有发现记录，可以注册!",$buf);
}
if(eregi("Sorry, the Whois database is currently down.",$buf)){
$buf=eregi_replace("Sorry, the Whois database is currently down.","域名服务器重启，请稍等再查询!",$buf);
}
$a['More'].=$buf;
}
fclose($fp);
if($showmore&&$a['Whois']){
$fp=@fsockopen($a['Whois'],43,&$a['err_num'],&$a['err_msg'],10);
if($fp){
fputs($fp, "$domain\r\n");
while(!feof($fp)) {
$buf.=fgets($fp,10240);
}
$a['More']=$buf;
}
@fclose($fp);
}
$a['domain']=$domain;
$a['More']="<pre>".$a['More']."</pre>";
if((!empty($a['Server']))||(!empty($a['EndDate']))){
$a['Result']="该域名已被注册";
}else{
$d=substr($domain,0,strpos($domain,"."));
$s=strstr($domain,".");
$a['Result']="<a href=\"/buy.php?kindof=domain&value=".$a['domain']."\" title=\"注册该域名\"><font color=red>可以注册,立即注册</a></a>";
}
}

return $a;
}


function get(){

$domain=$_POST['domain'];
if(!$domain){$domain=$_GET['domain'];}
if(empty($domain)){return false;}
$a=$_POST['suffix'];
if((!is_array($a))&&(!$a)){$a=array($_GET['suffix']);}
$more=$_POST['more'];
if(!$more){$_GET['more'];}
$str.="<style type=\"text/css\"> .tb { font-size: 12px; border: 1px solid #CCCCCC; } </style>\r\n";
$str.="<table width=\"100%\" cellpadding=\"3\" cellspacing=\"1\" class=\"tb\"> \n\t";
$str.="<tr align=\"center\" bgcolor=\"#FFCC66\" nowrap > \n\t";
$str.="<td height=\"22\" nowrap>查询域名</td> \n\t";
$str.="<td height=\"22\" nowrap>能否注册</td> \n\t";
$str.="<td height=\"22\" nowrap>域名服务器地址</td> \n\t";
$str.="<td height=\"22\" nowrap>到期时间</td> \n\t";
$str.="</tr> \n\t";
$str.="<tr title=\"点击域名查看更详细信息\"> \n\t";
while(list(,$val)=@each($a)){
$b=whois($domain,$val,$more);
$str.="<td bgcolor=\"#efefef\" style=\"cursor:hand\" onclick=\"javascript:if(document.getElementById('$val$key').style.display=='none'){document.getElementById('$val$key').style.display='block';}else{document.getElementById('$val$key').style.display='none';}\">".$b['domain']."</td> \n\t";
$str.="<td bgcolor=\"#efefef\">".$b['Result']."</td> \n\t";
$str.="<td bgcolor=\"#efefef\">".$b['Server']."</td> \n\t";
$str.="<td bgcolor=\"#efefef\">".$b['EndDate']."</td> \n\t";
$str.="</tr> \n\t";
$str.="<tr style=\"display:none;cursor:text;background-color: #efeffa;\" id=\"$val$key\"> \n\t";
$str.="<td colspan=\"4\" bgcolor=\"#efefef\" >".$b['More']."</td> \n\t";
$str.="</tr>";
}
$str.="</table>\n\t";
echo($str);

unset($a);unset($b);
unset($domain);
unset($str);

}


#<FORM ACTION="" METHOD="post">
#主机名: <INPUT TYPE="text" NAME="domain" SIZE="30" MAXLENGTH="100" value=sohu>
#<INPUT TYPE="hidden" name="more" value="true">
#<INPUT TYPE=submit VALUE="查询">
#</FORM>
?>