asp.net mvc 2 - How can I tell whether a controller action was requested by DNS or IP? -

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on webdev server, i'm trying test whether controller's action requested through raw ip, or dns. i've tried looking @ controller's httprequest.url.hostnametype, seems resolve dns if enter local ip in browser. ideas? in advance.

that information passed in host header of http request, should able access this:

var requestedhost = request.headers["host"];

if request ip address, ip address string should returned. otherwise, whatever hostname used.


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