Hacker News Reader

There have been a lot of re-submissions of appsumo.com, with all kinds of tricks to get it to pass the dupe filter.

Maybe that's what triggered a ban?

I have no idea about other submissions besides the one Gabe told me he did.

Here is an old thread about the 'auto dead' domains and some of the reasons why they got killed:

It also has a list, but presumably that's long out of date.