Io tempo fà ho trovato questo codice
codice:
<% @Page Language="C#" ResponseEncoding="utf-8" debug="true"%>
<% @Import Namespace="System.Net.Sockets" %>
<% @Import Namespace="System.Text" %>
<% @Import Namespace="System.IO" %>
<% @Import Namespace="System.Collections" %>
<script language="C#" runat="server">
void doQuery()
{
String strDomain = Request["dominio"] + Request["tld"];
txtDomain.Text=strDomain;
char[] chSplit = {'.'};
string[] arrDomain = strDomain.Split(chSplit);
// es darf genau ein domain name + ein suffix sein
if (arrDomain.Length > 2)
{
arrDomain[1]+= '.' + arrDomain[2];
}
// das suffic darf nur 2 oder 3 zeichen lang sein
int nLength = arrDomain[1].Length;
if (nLength >7)
{
return;
}
Hashtable table = new Hashtable();
table.Add("at", "whois.nic.at");
table.Add("de", "whois.denic.de");
table.Add("be", "whois.dns.be");
table.Add("gov", "whois.nic.gov");
table.Add("mil", "whois.nic.mil");
table.Add("it", "whois.nic.it");
table.Add("com", "whois.internic.net");
table.Add("info", "whois.nic.info");
table.Add("co.uk", "whois.nic.uk");
table.Add("org.uk", "whois.nic.uk");
table.Add("cc", "whois.nic.cc");
String strServer = "whois.networksolutions.com";
if (table.ContainsKey(arrDomain[1]))
{
strServer = table[arrDomain[1]].ToString();
}
else if (nLength == 2)
{
// 2-letter TLD's always default to RIPE in Europe
strServer = "whois.ripe.net";
}
String strResponse;
bool bSuccess = DoWhoisLookup(strDomain, strServer, out strResponse);
if (bSuccess)
{
txtResult.Text = strResponse;
}
else
{
txtResult.Text = "Lookup failed";
}
}
bool DoWhoisLookup(String strDomain, String strServer, out String strResponse)
{
strResponse = "none";
bool bSuccess = false;
TcpClient tcpc = new TcpClient();
try
{
tcpc.Connect(strServer, 43);
}
catch(SocketException ex)
{
strResponse = "Could not connect to Whois server";
return false;
}
strDomain += "\r\n";
Byte[] arrDomain = Encoding.ASCII.GetBytes(strDomain.ToCharArray());
try
{
Stream s = tcpc.GetStream();
s.Write(arrDomain, 0, strDomain.Length);
StreamReader sr = new StreamReader(tcpc.GetStream(), Encoding.ASCII);
StringBuilder strBuilder = new StringBuilder();
string strLine = null;
while (null != (strLine = sr.ReadLine()))
{
strBuilder.Append(strLine+"
");
}
tcpc.Close();
bSuccess = true;
string tmp=strBuilder.ToString();
if (tmp.IndexOf("No match")>-1 || tmp.IndexOf("No entries")>-1)
{
strResponse = "Il Dominio è disponibile.
Sei interessato alla registrazione di questo dominio? Contattaci all'indirizzo <a href=mailto:info@omnia.it>info@omnia.it</a> o telefona al numero 095.7796006.";
}
else
{
strResponse = "Dominio già registrato ";
dettagli.Text=tmp;
showlink.Visible=true;
}
}
catch(Exception e)
{
strResponse = e.ToString();
}
return bSuccess;
}
void Page_Load()
{
if (!IsPostBack){
doQuery();
}
}
</script>
che funziona egregiamente