国内域名无法查询怎么办？

Question

以下是源代码，谢谢您的关注！
<?
##################################
/*
下面这个类是德国人写的，名字不知道了！
使用时可以根据需要自己改掉相应的版权信息，放到支持PHP空间的服务器上直接运行本程序即可!
程序：redhat
*/
class domain{
    var $domain="";
        /*******************************
        * Initializing server variables
        * array(top level domain,whois_Server,not_found_string or MAX number of CHARS: MAXCHARS:n)
        **/
        var $servers=array(
            array("ac","whois.nic.ac","No match"),
                array("ac.cn","whois.cnnic.net.cn","No entries found"),
                array("ac.jp","whois.nic.ad.jp","No match"),
                array("ac.uk","whois.ja.net","no entries"),
                array("ad.jp","whois.nic.ad.jp","No match"),
                array("adm.br","whois.nic.br","No match"),
                array("adv.br","whois.nic.br","No match"),
                array("aero","whois.information.aero","is available"),
                array("ag","whois.nic.ag","does not exist"),
                array("agr.br","whois.nic.br","No match"),
                array("ah.cn","whois.cnnic.net.cn","No entries found"),
                array("al","whois.ripe.net","No entries found"),
                array("am.br","whois.nic.br","No match"),
                array("arq.br","whois.nic.br","No match"),
                array("at","whois.nic.at","nothing found"),
                array("au","whois.aunic.net","No Data Found"),
                array("art.br","whois.nic.br","No match"),
                array("as","whois.nic.as","Domain Not Found"),
                array("asn.au","whois.aunic.net","No Data Found"),
                array("ato.br","whois.nic.br","No match"),
                array("be","whois.geektools.com","No such domain"),
                array("bg","whois.digsys.bg","does not exist"),
                array("bio.br","whois.nic.br","No match"),
                array("biz","whois.biz","Not found"),
                array("bj.cn","whois.cnnic.net.cn","No entries found"),
                array("bmd.br","whois.nic.br","No match"),
                array("br","whois.registro.br","No match"),
                array("ca","whois.cira.ca","Status: AVAIL"),
                array("cc","whois.nic.cc","No match"),
                array("cd","whois.cd","No match"),
                array("ch","whois.nic.ch","We do not have an entry"),
                array("cim.br","whois.nic.br","No match"),
                array("ck","whois.ck-nic.org.ck","No entries found"),
                array("cl","whois.nic.cl","no existe"),
                array("cn","whois.cnnic.net.cn","No entries found"),
                array("cng.br","whois.nic.br","No match"),
                array("cnt.br","whois.nic.br","No match"),
                array("com","whois.verisign-grs.net","No match"),
                array("com.au","whois.aunic.net","No Data Found"),
                array("com.br","whois.nic.br","No match"),
                array("com.cn","whois.cnnic.net.cn","No entries found"),
                array("com.eg","whois.ripe.net","No entries found"),
                array("com.hk","whois.hknic.net.hk","No Match for"),
                array("com.mx","whois.nic.mx","Nombre del Dominio"),
                array("com.ru","whois.ripn.ru","No entries found"),
                array("com.tw","whois.twnic.net","NO MATCH TIP"),
                array("conf.au","whois.aunic.net","No entries found"),
                array("co.jp","whois.nic.ad.jp","No match"),
                array("co.uk","whois.nic.uk","No match for"),
                array("cq.cn","whois.cnnic.net.cn","No entries found"),
                array("csiro.au","whois.aunic.net","No Data Found"),
                array("cx","whois.nic.cx","No match"),
                array("cz","whois.nic.cz","No data found"),
                array("de","whois.denic.de","No entries found"),
                array("dk","whois.dk-hostmaster.dk","No entries found"),
                array("ecn.br","whois.nic.br","No match"),
                array("ee","whois.eenet.ee","NOT FOUND"),
                array("edu","whois.verisign-grs.net","No match"),
                array("edu.au","whois.aunic.net","No Data Found"),
                array("edu.br","whois.nic.br","No match"),
                array("eg","whois.ripe.net","No entries found"),
                array("es","whois.ripe.net","No entries found"),
                array("esp.br","whois.nic.br","No match"),
                array("etc.br","whois.nic.br","No match"),
                array("eti.br","whois.nic.br","No match"),
                array("eun.eg","whois.ripe.net","No entries found"),
                array("emu.id.au","whois.aunic.net","No Data Found"),
                array("eng.br","whois.nic.br","No match"),
                array("far.br","whois.nic.br","No match"),
                array("fi","whois.ripe.net","No entries found"),
                array("fj","whois.usp.ac.fj",""),
                array("fj.cn","whois.cnnic.net.cn","No entries found"),
                array("fm.br","whois.nic.br","No match"),
                array("fnd.br","whois.nic.br","No match"),
                array("fo","whois.ripe.net","no entries found"),
                array("fot.br","whois.nic.br","No match"),
                array("fst.br","whois.nic.br","No match"),
                array("fr","whois.nic.fr","No entries found"),
                array("g12.br","whois.nic.br","No match"),
                array("gd.cn","whois.cnnic.net.cn","No entries found"),
                array("ge","whois.ripe.net","no entries found"),
                array("ggf.br","whois.nic.br","No match"),
                array("gl","whois.ripe.net","no entries found"),
                array("gr","whois.ripe.net","no entries found"),
                array("gr.jp","whois.nic.ad.jp","No match"),

Answer 1

array("gs","whois.adamsnames.tc","is not registered"),
                array("gs.cn","whois.cnnic.net.cn","No entries found"),
                array("gov.au","whois.aunic.net","No Data Found"),
                array("gov.br","whois.nic.br","No match"),
                array("gov.cn","whois.cnnic.net.cn","No entries found"),
                array("gov.hk","whois.hknic.net.hk","No Match for"),
                array("gob.mx","whois.nic.mx","Nombre del Dominio"),
                array("gs","whois.adamsnames.tc","is not registered"),
                array("gz.cn","whois.cnnic.net.cn","No entries found"),
                array("gx.cn","whois.cnnic.net.cn","No entries found"),
                array("he.cn","whois.cnnic.net.cn","No entries found"),
                array("ha.cn","whois.cnnic.net.cn","No entries found"),
                array("hb.cn","whois.cnnic.net.cn","No entries found"),
                array("hi.cn","whois.cnnic.net.cn","No entries found"),
                array("hl.cn","whois.cnnic.net.cn","No entries found"),
                array("hn.cn","whois.cnnic.net.cn","No entries found"),
                array("hm","whois.registry.hm","(null)"),
                array("hk","whois.hknic.net.hk","No Match for"),
                array("hk.cn","whois.cnnic.net.cn","No entries found"),
                array("hu","whois.ripe.net","MAXCHARS:500"),
                array("id.au","whois.aunic.net","No Data Found"),
                array("ie","whois.domainregistry.ie","no match"),
                array("ind.br","whois.nic.br","No match"),
                array("imb.br","whois.nic.br","No match"),
                array("inf.br","whois.nic.br","No match"),
                array("info","whois.afilias.info","Not found"),
                array("info.au","whois.aunic.net","No Data Found"),
                array("it","whois.nic.it","No entries found"),
                array("idv.tw","whois.twnic.net","NO MATCH TIP"),
                array("int","whois.iana.org","not found"),
                array("is","whois.isnic.is","No entries found"),
                array("il","whois.isoc.org.il","No data was found"),
                array("jl.cn","whois.cnnic.net.cn","No entries found"),
                array("jor.br","whois.nic.br","No match"),
                array("jp","whois.nic.ad.jp","No match"),
                array("js.cn","whois.cnnic.net.cn","No entries found"),
                array("jx.cn","whois.cnnic.net.cn","No entries found"),
                array("kr","whois.krnic.net","is not registered"),
                array("la","whois.nic.la","NO MATCH"),
                array("lel.br","whois.nic.br","No match"),                array("li","whois.nic.ch","We do not have an entry"),
                array("lk","whois.nic.lk","No domain registered"),
                array("ln.cn","whois.cnnic.net.cn","No entries found"),
                array("lt","ns.litnet.lt","No matches found"),
                array("lu","whois.dns.lu","No entries found"),
                array("lv","whois.ripe.net","no entries found"),
                array("ltd.uk","whois.nic.uk","No match for"),
                array("mat.br","whois.nic.br","No match"),
                array("mc","whois.ripe.net","No entries found"),
                array("med.br","whois.nic.br","No match"),
                array("mil","whois.nic.mil","No match"),
                array("mil.br","whois.nic.br","No match"),
                array("mn","whois.nic.mn","Domain not found"),
                array("mo.cn","whois.cnnic.net.cn","No entries found"),
                array("ms","whois.adamsnames.tc","is not registered"),
                array("mus.br","whois.nic.br","No match"),
                array("mx","whois.nic.mx","Nombre del Dominio"),
                array("name","whois.nic.name","No match"),
                array("ne.jp","whois.nic.ad.jp","No match"),
                array("net","whois.verisign-grs.net","No match"),
                array("net.au","whois.aunic.net","No Data Found"),
                array("net.br","whois.nic.br","No match"),
                array("net.cn","whois.cnnic.net.cn","No entries found"),
                array("net.eg","whois.ripe.net","No entries found"),
                array("net.hk","whois.hknic.net.hk","No Match for"),
                array("net.lu","whois.dns.lu","No entries found"),
                array("net.mx","whois.nic.mx","Nombre del Dominio"),
                array("net.uk","whois.nic.uk","No match for "),
                array("net.ru","whois.ripn.ru","No entries found"),
                array("net.tw","whois.twnic.net","NO MATCH TIP"),
                array("nl","whois.domain-registry.nl","is not a registered domain"),
                array("nm.cn","whois.cnnic.net.cn","No entries found"),
                array("no","whois.norid.no","no matches"),
                array("nom.br","whois.nic.br","No match"),
                array("not.br","whois.nic.br","No match"),
                array("ntr.br","whois.nic.br","No match"),
                array("nx.cn","whois.cnnic.net.cn","No entries found"),
                array("nz","whois.domainz.net.nz","Not Listed"),
                array("plc.uk","whois.nic.uk","No match for"),
                array("odo.br","whois.nic.br","No match"),
                array("oop.br","whois.nic.br","No match"),
                array("or.jp","whois.nic.ad.jp","No match"),
                array("org","whois.verisign-grs.net","No match"),
                array("org.au","whois.aunic.net","No Data Found"),
                array("org.br","whois.nic.br","No match"),
                array("org.cn","whois.cnnic.net.cn","No entries found"),
                array("org.hk","whois.hknic.net.hk","No Match for"),
                array("org.lu","whois.dns.lu","No entries found"),
                array("org.ru","whois.ripn.ru","No entries found"),
                array("org.tw","whois.twnic.net","NO MATCH TIP"),
                array("org.uk","whois.nic.uk","No match for"),
                array("pl","nazgul.nask.waw.pl","does not exists"),
                array("pp.ru","whois.ripn.ru","No entries found"),
                array("ppg.br","whois.nic.br","No match"),
                array("pro.br","whois.nic.br","No match"),
                array("psi.br","whois.nic.br","No match"),
                array("psc.br","whois.nic.br","No match"),
                array("pt","whois.ripe.net","No entries found"),
                array("qh.cn","whois.cnnic.net.cn","No entries found"),

Answer 2

array("qsl.br","whois.nic.br","No match"),
                array("rec.br","whois.nic.br","No match"),
                array("ro","whois.rotld.ro","No entries found"),
                array("ru","whois.ripn.ru","No entries found"),
                array("sc.cn","whois.cnnic.net.cn","No entries found"),
                array("sd.cn","whois.cnnic.net.cn","No entries found"),
                array("se","whois.nic-se.se","No data found"),
                array("sg","whois.nic.net.sg","NO entry found"),
                array("sh","whois.nic.sh","No match for"),
                array("sh.cn","whois.cnnic.net.cn","No entries found"),
                array("si","whois.arnes.si","No entries found"),
                array("sk","whois.ripe.net","no entries found"),
                array("slg.br","whois.nic.br","No match"),
                array("sm","whois.ripe.net","no entries found"),
                array("sn.cn","whois.cnnic.net.cn","No entries found"),
                array("srv.br","whois.nic.br","No match"),
                array("st","whois.nic.st","No entries found"),
                array("sx.cn","whois.cnnic.net.cn","No entries found"),
                array("tc","whois.adamsnames.tc","is not registered"),
                array("th","whois.nic.uk","No entries found"),
                array("tj.cn","whois.cnnic.net.cn","No entries found"),
                array("tmp.br","whois.nic.br","No match"),
                array("to","whois.tonic.to","No match"),
                array("tr","whois.ripe.net","Not found in database"),
                array("trd.br","whois.nic.br","No match"),
                array("tur.br","whois.nic.br","No match"),
                array("tv","whois.tv","MAXCHARS:75"),
                array("tv.br","whois.nic.br","No match"),
                array("tw","whois.twnic.net","NO MATCH TIP"),
                array("tw.cn","whois.cnnic.net.cn","No entries found"),
                array("uk","whois.thnic.net","No match for"),
                array("va","whois.ripe.net","No entries found"),
                array("vet.br","whois.nic.br","No match"),
                array("vg","whois.adamsnames.tc","is not registered"),
                array("wattle.id.au","whois.aunic.net","No Data Found"),
                array("ws","whois.worldsite.ws","No match for"),
                array("xj.cn","whois.cnnic.net.cn","No entries found"),
                array("xz.cn","whois.cnnic.net.cn","No entries found"),
                array("yn.cn","whois.cnnic.net.cn","No entries found"),
                array("zlg.br","whois.nic.br","No match"),
                array("zj.cn","whois.cnnic.net.cn","No entries found")
        );    /*
    * Constructor of class domain
    * @param string        $str_domainame    the full name of the domain
    * @desc Constructor of class domain    function domain($str_domainname){
        $this->domain=$str_domainname;
    }    /*
    * Returns the whois data of the domain
    * @return string $whoisdata Whois data as string
    * @desc Returns the whois data of the domain
    */
    function info(){
        if($this->is_valid()){
            $tldname=$this->get_tld();
            $domainname=$this->get_domain();
            $whois_server=$this->get_whois_server();
            /*
            $tldname="cn";
            $domainname="sina.com";
            $whois_server="whois.cnnic.net.cn";
            */
            // If tldname have been found
            if($whois_server!=""){
                // Getting whois information
                $fp = @fsockopen($whois_server,43) or die("连接服务器失败");                $dom=$domainname.".".$tldname;
                fputs($fp, "$dom\r\n") or die("发生未知错误");                // Getting string
                $string="";
                while(!feof($fp)){
                    $string.=fgets($fp,128);
                }
                fclose($fp);
                return $string;
            }else{
                return "No whois server for this tld in list!";
            }
        }else{
            return "Domainname isn't valid!";
        }
    }    /**
    * Returns the whois data of the domain in HTML format
    * @return string $whoisdata Whois data as string in HTML
    * @desc Returns the whois data of the domain  in HTML format
    */
    function html_info(){
        return nl2br($this->info());
    }