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Question

I'm not sure if this possible but here goes.

So I have a bunch of sites which accessed via different sub domains. Each sub domain is created to serve Geo-located users. However, we do not want to the sub domains to be customer facing as they are not desirable and we believe all customers should access from the same one url point.

Therefore we desire that all traffic is ran through and masked by the primary either through an htaccess or a web app. Any suggestions would be greatly appreciated.

Answer 1

Since you placed the tag Shopify in your answer, the short answer there is, Shopify already geo-locates your customers to the fastest server for their location. You cannot do that yourself, or, in other words, they probably do it better than you could anyway.

If you don't mean Shopify, then your question is one of DNS and co-location of server boxes around the world, a topic pretty heavy for one answer here.