My home server url wont connect when connecting on home network

[Nighthawk Pro Gaming]

I have recently moved from an ASUS AC66U to a Nighthawk X4S.

 

I have a server on my network with the url https://myserver.com for example.  If I try to connect from home with the url it wont connect but if Im at work it will.

I have all the required port forwarding set up.

 

With my ASUS I was able to enter a command into the router via the admin settings page that would loop back a url request for an address on the local network to the router from the internet. Then I could use my url while on the same local network as the server.

 

Can I get this set up with my new X4S?

 

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