A PHPWhois domain name check function code _ PHP Tutorial

A PHPWhois domain name checks the function code. A Whois check code used in the previous PHP host domain name program to determine whether the queried domain name is registered. the Function includes most of the domain name suffixes, A Whois check code based on the suffix that is not used before in the PHP host domain name program is used to determine whether the queried domain name is registered. the Function includes most of the domain name suffixes, connect different query servers based on different suffixes. previously available and time relationships. I have not tested whether or not the query URLs can still be used. if not, you need to find your own information to see what the current website is.

01

02 function 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 // cut domain name

09 $ _ domain = explode ('.', $ domain );

10 $ lst = count ($ _ domain)-1;

11 $ ext =$ _ domain [$ lst];

12 // define the query server address to be connected with different domain name suffixes

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. ",

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: no matching server found! ');

56}

57 $ nic_server = $ servers [$ ext];

58 $ output = '';

59 // connect to the domain name server:

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: Cannot connect to: '. $ nic_server .'! ');}

68 return $ output;

69}

70?>

After the function is called, the result is directly returned.

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