(1) There are 2 typical types of multi-URL setups: the Forwarder and Alias.
(2) Both types will involve changes at the registrar; creating an alias involves some setting adjustments at the host server.
There is an existing website at www.SiteA.com and you have another url www.SiteB.com. If you want people to type in www.SiteB.com and get forwarded to www.SiteA.com (and see www.SiteA.com in the address bar) this is a forwarder.
A visitor types in www.SiteB.com and they see all the content from www.SiteA.com but the www.SiteB.com address is the one seen in the address bar. Some hosting systems call this a “parked” domain.
Years ago I liked aliases but with the changes in search engine optimization I generally recommend forwarders over aliases these days.
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#forwarder #dns #aliases #parked domains