As long as the space supports wildcard domain name resolution, there is no need for the server script language or DNS, you can use the front-end code to construct an unlimited second-level domain name:
<HTML>
<Head>
<Title> Biyuan free second-level domain name </title>
<Head>
</Head>
<Body>
<SCR limit PT Language = "Limit Cr limit PT">
<! --
// Global variable
VaR curl = "http://www2.17389.com/" // the site or directory that redirects when processing fails
VaR url = "17389"; // keyword of the top-level domain name, which is www.17389.com
VaR Surl = location. href; // obtain the address entered by the current user
VaR ourl = (Surl. Split (".") [0]). Split ("//") [1]); // splits the address obtained by the user
VaR xurl = false; // create a global variable to determine whether the record set exists.
// User information
VaR user = new array ();
User [0] = new array ("Biyuan", "http://aoao.52ui.com/biyuan/", "Biyuan online ");
User [1] = new array ("fhonline", "http://www.17389.com", "Feihong network ");
User [2] = new array ("51js", "http://www.51js.com/", "Carefree script ");
User [3] = new array ("ucren", "http://www.ucren.com/", "gamer ");
User [4] = new array ("aoao", "http://aoao.52ui.com/", "Carefree ");
// Determine the validity of the top-level domain name
If (Surl. Split (".") [1]! = URL ){
Location. href = curl;
}
// Match the data and execute the jump
Else {
For (var j = 0; j <user. length; j ++ ){
If (ourl = user [J] [0]) {
Document. Write ("loading" + User [J] [2] + ", please wait..."); // the information displayed during redirect
Document. Title = user [J] [2]; // information of the title bar during redirect
Xurl = user [J] [1]; // assign a value to the global variable
SetTimeout ("location. href = xurl", 5000); // jump after 5 seconds
}
}
}
// The error message is not displayed.
If (! Xurl ){
Document. Write ("this domain name cannot be found. After 10 seconds, jump to the <a href = '" + curl + "'> Biyuan Network </a> ");
SetTimeout ("location. href = curl", 10000 );
}
// -->
</Scr platinum Pt>
</Body>
</Html>
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