Why my server on DayZ go on 31 (and up) and now i doesn't see my server in server list and this is not the first

Servers can be deleted in the following cases:

1. Server was automatically removed after extended downtime
2. Server was manually removed by you or any user who has the ability to claim it
3. Server was banned from the site http://www.gametracker.com/forums/forum.php?site=1&thread=75205
4. Server was deleted due to minor abuse

We are not able to recover any stats that have been permanently removed.

It is your responsibility to rectify any of the underlying issues that may have caused one of those.