d-null

if your site is parked for a long time, chances are it is penalized in some way, but not necessarily as bad as banned

banned domains can be a real pain, especially in adult names, as they have to really prove their worthiness to be reincluded

a banned domain might not show up in serps ever even if you build a great site on it and have links and traffic, they need to be manually unbanned by google and it isn't easy with adult names

a banned domain will not show up in a site search on google (although that is not a guarantee that it is banned, just one symptom)

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