ASP.NET域名查询系统

2022-07-15 80酷酷网 80kuku.com

asp.net|查询系统<% Page Language="C#" %>
<% Import Namespace="System.Net.Sockets" %>
<% Import Namespace="System.Text" %>
<% Import Namespace="System.IO" %>
<html>
<head>
<title>.Com/.Net/.Org/.Cn 域名Whois信息查询</title>
<meta name="keywords" content=".Com,.Net,.Org,.Cn 域名Whois信息查询">
<meta name="generator" content=".Com/.Net/.Org,.Cn 域名Whois信息查询">
<meta name="description" content=".Com/.Net/.Org,.Cn 域名Whois信息查询">
<style>

</style>
</head>
<body>
<form id="fmQuery" runat="server">
要查询的域名域名:
www.<asp:TextBox id="txtDomain" width="100" value="ASPXBOY.COM" runat="server" />
<asp:Button id="btnQuery" OnClick="btn_click"
text="查询!" runat="server" />（只能查询.Com/.Net/.Org/.Cn 域名Whois的信息） <a href ="WhoisCode.htm" title="View the source code here!">源代码在这里</a>

<HR width="550" height="1" align="left">

<asp:label id="lblResult" runat="server" />
</form>
</body>
</html>
<script language="C#" runat="server">
void btn_click(Object sender, EventArgs e)
{
String strServer;
String strDomain = txtDomain.Text;
String strServerCom = "whois.networksolutions.com";
String strServerCN = "whois.cnnic.net.cn";
String strResponse;
string[] arrDomain = strDomain.Split('.');
if (arrDomain[1].ToUpper()=="CN")
{

strServer=strServerCN;
}
else
{
strServer=strServerCom;
}

bool blSuccess = IsWhosisSuccess(strDomain, strServer, out strResponse);
if (blSuccess)
{
lblResult.Text = strResponse;
}
else
{
lblResult.Text = "查找失败....";
}
}
bool IsWhosisSuccess(String strDomain, String strServer,
out String strResponse)
{
strResponse = "none";
bool blSuccess = false;
TcpClient tcpc = new TcpClient();
try
{
tcpc.Connect(strServer, 43);
}
catch(SocketException ex)
{
strResponse = "连接不到该 Whois server,请稍后再试。";
return false;
}

strDomain += "\r\n";
Byte[] arrDomain = Encoding.UTF8.GetBytes(strDomain.ToCharArray());
try
{
Stream s = tcpc.GetStream();
s.Write(arrDomain, 0, strDomain.Length);

StreamReader sr = new StreamReader(tcpc.GetStream(), Encoding.UTF8);
StringBuilder strBuilder = new StringBuilder();
string strLine = null;

while (null != (strLine = sr.ReadLine()))
{
strBuilder.Append(strLine+"
");
}
tcpc.Close();

blSuccess = true;
string my="Go to Huobazi's WebSite：<a