i had one this week i was purposely dropping (dropped yesterday) and it was 28 days, which did surprise me ! LOL and nobody picked it up ! sign of a shit domain?
also once it hits auda list you can get it registered but its a REALLLLLLLLLLLL gamble, sometimes it does........ sometimes not. even the "time registered" seems to mean nothing, just best not to get there imo.
i really wouldn't skim it past 25 days imo.
tim