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以前在做PHP主機(jī)域名程序時候用的一個Whois檢查代碼，用來確定所查詢的域名是否被注冊，函數(shù)囊括了大部分的域名后綴，將根據(jù)后綴的不同連接到不同的查詢服務(wù)器，以前能用，時間關(guān)系，我現(xiàn)在暫時沒有測試那些查詢網(wǎng)址現(xiàn)在是否還能用，若不能用，就需要你自己找資料，看看現(xiàn)在的網(wǎng)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 //定義不同域名后綴所需要連接的查詢服務(wù)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: 沒有找到匹配的服務(wù)器!');

56 }

57 $nic_server = $servers[$ext];

58 $output = '';

59 //連接域名服務(wù)器:

60 if ($conn = fsockopen ($nic_server, 43)) {

61 fputs($conn, $domain."rn");

62 while(!feof($conn)) {

63 $output .= fgets($conn,128);

64 }

65 fclose($conn);

66 }

67 else { die('Error: 不能連接到： ' . $nic_server . '!'); }

68 return $output;

69}

70?>

函數(shù)調(diào)用后，將直接返回結(jié)果。

更多信息請查看IT技術(shù)專欄