<div>
<div class="content wysiwyg-content">
Windows 8 store app<br />
Typically a domain name is tested by trying to resolve the IP; in store apps this is done using DatagramSocket.GetEndpoint<wbr />PairsAsync<wbr /> method. &nbsp;The problem I'm encountering is that ISPs are performing DNS tests and returning a valid IP pointing to a DNS error page.<br />
All very helpful if you are using a browser but a pain from within code.<br />
If there a better way to test if a host is reachable?
</div>
</div>


Windows 8 store app
Typically a domain name is tested by trying to resolve the IP; in store apps this is done using DatagramSocket.GetEndpointPairsAsync method.  The problem I'm encountering is that ISPs are performing DNS tests and returning a valid IP pointing to a DNS error page.
All very helpful if you are using a browser but a pain from within code.
If there a better way to test if a host is reachable?

how do you test for for a valid host name when the ISP has intercepts?

C# is an object-oriented programming language created in conjunction with Microsoft’s .NET framework. Compilation is usually done into the Microsoft Intermediate Language (MSIL), which is then JIT-compiled to native code (and cached) during execution in the Common Language Runtime (CLR).