Title :
DNS and Whois Lookup - allows you to quickly find information about a url or ip address
Categories :
PHP
Sarah King
Date :
Sep 22nd 2004
Grade :
3 of 5 (graded 10 times)
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http://sarahk.pcpropertymanager.com/muck/dns/index.php http://www.weberforums.com/forum3.html http://www.Planet-Source-Code.com/vb/scripts/ShowCode.asp?txtCodeId=1476&lngWId=8 http://www.canufly.net/~georgegg/
<?php
function getPostVar ( $name , $default = '' )
$_POST ;
$_POST [ $name ]))
is_array ( $_POST [ $name ]))
$output = array();
$_POST [ $name ] as $val ) $output [] = $val ;
$output = $_POST [ $name ];
$output = $default ;
trim ( $output );
//getPostVar
function requestWhois ( $whois , $hostname )
$fp = fsockopen ( $whois , 43 , $errno , $errstr , 30 );
$fp )
$output = " $errstr ( $errno )" ;
fputs ( $fp , " $hostname \r\n" );
$output = "<pre>\r\n" ;
feof ( $fp )) $output .= fread ( $fp , 128 );
$output .= "</pre>" ;
fclose ( $fp );
$output ;
//requestWhois($whois, $hostname)
$masters = array(
'tv' => 'cwhois1.completewhois.com' ,
'ro' => 'cwhois1.completewhois.com' ,
'jp' => 'cwhois1.completewhois.com' ,
'ws' => 'cwhois1.completewhois.com' ,
'ph' => 'cwhois1.completewhois.com' ,
'com' => 'cwhois1.completewhois.com' ,
'fm' => 'cwhois1.completewhois.com' ,
'vu' => 'cwhois1.completewhois.com' ,
'be' => 'whois.ripe.net' ,
'de' => 'whois.ripe.net' ,
'dk' => 'whois.ripe.net' ,
'com.ro' => 'whois.ripe.net' ,
'lt' => 'whois.ripe.net' ,
'co.il' => 'whois.ripe.net' ,
'org.il' => 'whois.ripe.net' ,
'ms' => 'whois.adamsnames.tc' ,
'gs' => 'whois.adamsnames.tc' ,
'vg' => 'whois.adamsnames.tc' ,
'tc' => 'whois.adamsnames.tc' ,
// 'com' => 'whois.networksolutions.com',
'net' => 'whois.networksolutions.com' ,
'net.nz' => 'whois.patho.gen.nz' ,
'org.nz' => 'whois.patho.gen.nz' ,
'co.nz' => 'whois.domainz.net.nz' ,
'org' => 'whois.publicinterestregistry.net' ,
'nl' => 'whois.domain-registry.nl' ,
'ac' => 'whois.nic.ac' ,
'as' => 'whois.nic.as' ,
'cc' => 'whois.nic.cc' ,
'sh' => 'whois.nic.sh' ,
'st' => 'whois.nic.st' ,
'co.uk' => 'whois.nic.uk' ,
'org.uk' => 'whois.nic.uk' ,
'co.za' => 'whois.frd.ac.za' ,
'ca' => 'whois.cdnnet.ca' ,
'info' => 'whois.afilias.net' ,
'biz' => 'whois.pacificroot.com' ,
'to' => 'whois.tonic.to' ,
'kz' => 'whois.domain.kz' ,
?> <html>
<?php
= getPostVar ( 'passcode' );
$passval = getPostVar ( 'passval' );
$passcode != md5 ( $passval ))
"<h2>You need to enter the passcode</h2>" ;
$defext = getPostVar ( 'ext' );
$fail = true ;
$defext = 'XX' ;
?>
<form method="POST" action="index.php">
<?PHP
foreach( $masters as $ext => $whois )
$selected = ( $defext == $ext )? ' selected ' : '' ;
"<option value=' { $ext } ' { $selected } > { $ext } </option>" ;
?>
</select>
<?php
= rand ( 1001 , 9999 );
$passcode = md5 ( $rand );
"<input type='hidden' name='passcode' value=' { $passcode } '>Type { $rand } here:
;
?>
</form>
<?php
///////////////////////////////////////
$button = getPostVar ( 'submit' );
$button ) && ! $fail )
$button == 'IP Check' )
$ip = getPostVar ( 'ip' );
$hostname = trim ( gethostbyaddr ( $ip ));
$ip == $hostname )
//'whois -h whois.arin.net 66.249.65.166'
echo "No hostname is available<br>" ;
requestWhois ( 'whois.arin.net' , $ip );
'<hr>' ;
requestWhois ( 'whois.radb.net' , $ip );
'<hr>' ;
$ext = '' ;
$hostrev = strrev ( $hostname );
$searching = true ;
$masters as $test => $ipcheck )
$searching && ( strrev ( $test ) == substr ( $hostrev , 0 , strlen ( $test ))))
$searching = false ;
$ext = $test ;
$host = strrev ( substr ( $hostrev , strlen ( $test )+ 1 ));
$searching ) $ext = '' ;
$host = getPostVar ( 'host' );
$ext = getPostVar ( 'ext' );
$hostname = " { $host } . { $ext } " ;
$ext ) && isset( $masters [ $ext ]))
$whois = $masters [ $ext ];
checkdnsrr ( $hostname ) == 1 )
'<h2>Registration Information for: http://www.' . $hostname . '</h2>' ;
$hostname )) echo requestWhois ( $whois , $hostname );
'<h2>http://www.' . $hostname . ' may be free to register</h2>' ;
"<h2><b> { $ext } </b> is an unknown file extension</h2>" ;
?>
</body>
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Joseph Crawford wrote : 1192
Pretty nice example. I like to see stuff like this posted, once good chore would be to make this object oriented and use a template system, maybe this is something i will work out ;)
