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。
http://www.bkjia.com/phpjc/765435.htmlwww.bkjia.comtruehttp://www.bkjia.com/phpjc/765435.htmltecharticle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...