小镇树妖--住在树上的妖

<?PHP  
if ($domain)  
{  
if ($domain)  
        {  
          
        $fp = fsockopen( "rs.internic.net", 43, &$errno, &$errstr, 10);  
        if (!$fp)   
    {  
        echo  "$errstr ($errno)
n";  
        }  
        else  
        {  
        fputs($fp, "$domainrn");  
        while(!feof($fp))  
                {  
                $buf = fgets($fp,128);  
                if (ereg( "Whois Server:", $buf))  
                        {  
                        $server = str_replace( "Whois Server: ",  "", $buf);  
                        $server = trim($server);  
                        }  
                }  
        fclose($fp);  
        }  
        if ($server)  
                {  
                echo  "<B>$domain is registered at $server:</B><BR>";  
                echo  "<PRE>";  
                $fp = fsockopen($server, 43, &$errno, &$errstr, 10);  
                if(!$fp)  
                        {  
                        echo  "Could not open connection to $server on port 43.n";  
                        echo  "$errstr ($errno)
n";  
                        }  
                else  
                        {  
                        fputs($fp, "$domainrn");  
                        while(!feof($fp))  
                                {  
                                echo fgets($fp,128);  
                                }  
                        fclose($fp);  
                        }  
                }  
        else    {  
                echo( "<b>$domain does not appear to be registered.</b><BR>");  
                }  
        echo ( "</PRE><BR>");  
        }  
   
}  
?>  
<FORM ACTION=" <?PHP echo($PHP_SELF); ?>" METHOD="post">  
  查找 .com, .org, and .net 主机
  
  主机名: <INPUT TYPE="text" NAME="domain" SIZE="40" MAXLENGTH="100">  
  <INPUT TYPE=submit VALUE="Find out"><INPUT TYPE=reset VALUE="Reset">  
</FORM>