Need to Access External IP of Network from Internal IP

I have an application that to the outside world is fully visible, however if I attempt to access the host name internally I cannot.  I am running a Sonicwall firewall and believe I need to make a NAT rule that will allow this to work, but I have tried and it does not work.  Is there a DNS entry I can make on my SBS DNS server that will allow me to browse to my external address.  The IP is associated with an A record.  
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Is this what you did?

Add a NAT policy to access your internal default website when behind a SonicWALL appliance.

NAT Policy:

Original Source: LAN Subnets
Translated Source: Primary WAN IP
Original Destination: Primary WAN IP
Translated Destination: ServerPrivateAddress
Original Service: Any
Translated Service: Original
Inbound Interface: LAN
Outbound Interface: Any


If you don't have it already, here is the SonicWall documentation for configuring local loopback:

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Easiest way to do this is add a zone in dns for the external name
The root record will point to the internal ip of the web server.
This will allow you to view your internal web site via the external name.
However if you wish to access it via the external ip, this will not work and most firewalls will not allow traffic out and back in.
Syed_M_UsmanSystem AdministratorCommented:
why dont you create A record in your fwd zone and PTR reccord in reverse zone? with server private IP
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