asp.net SERVER_NAME returns wrong domain name

Question

Can anyone explain me how the asp.net/iis gets SERVER_NAME variable ? The problem appears when we change our production domain name. The backend code returns old value by calling the following method Request.ServerVariables["SERVER_NAME"] . Could it be related to DNS update ?

Eric J. · Accepted Answer · 2015-05-08 13:49:30Z

3

The backend code returns old value by calling the following method Request.ServerVariables["SERVER_NAME"]

Generally this variable returns

The server's host name, DNS alias, or IP address as it would appear in self-referencing URLs.

Check

That the DNS changes have propogated to this server. Do a reverse DNS lookup on the server itself. If this is the case, flush the local DNS cache (ipconfig /flushdns)
Make sure the DNS PTR record has been correctly updated
That the host name isn't set to match the old DNS name

edited May 8, 2015 at 13:49

answered May 8, 2015 at 13:43

Eric J.

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