The 23.06.19 indicates the year, month, and day the content was first published.
Searching for specific file strings instead of official site names carries several digital security risks: OnlyTarts.23.06.19.Claudia.Garcia.Busted.XXX.10...
Words like Busted describe the specific sub-genre or "plot" of the scene. The 23
Piracy sites often use these exact strings to lure users into clicking "fake play" buttons that download adware or trojans. The 23.06.19 indicates the year