Property rights? In America? That's been dead since the 80s when the Comprehensive Crime Control Act passed and strengthened the existing concepts of civil asset forfeiture to not require any kind of due process whatsoever.
Hell, just last year the FBI seized upwards of 86 million dollars in cash, jewelry, and other goods from people at one bank because they felt that any safety deposit box containing cash or goods valued in excess of 5000$ total must have been involved in crime. No charges, no evidence, just the stipulation that they felt it must be related to unknown crime. A California judge dismissed a class action case against the FBI effectively endorsing their tactics.
And no, no one can get all RABBLERABBLERABBLE-YOUR-TEAM-NO-YOUR-TEAM about it. That act had passed with massive bipartisan support at the time. The 4th amendment bit about seizure has long since been rendered moot. Seizing domains is pretty tame compared to what happens on the regular in the past 40 years.