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I have one hosting account with several, as some call them, parked domains. For example:
root-domain
[INDENT]sub-domain[/INDENT]
[INDENT]sub-domain[/INDENT]
[INDENT]sub-domain[/INDENT]
Each sub-domain resolves to both it’s own domain name, and to such variations as root-domain.com/sub-domain/ and sub-domain.root-domain.com
What are the advantages/disadvantages to allowing search engines to index my sites as both sub-domains and separate domains?