This is the option you need to use to 'point your domain at DreamHost'. This will transfer the DNS duties to the DreamHost name servers, allowing you to host your site here. This should not be confused with transferring your actual domain registration to DreamHost.
The name server addresses you need to enter are ns1.dreamhost.com and ns2.dreamhost.com.
Note: you will also need to add the domain to the DreamHost hosting system using the DreamHost admin panel. Domains -> Manage Domains -> Add New Domain / Sub-Domain.
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