The public may use this ban manger viewer if they wish to see their own listings or some other person's listings

https://www.sc2mafia.com/forum/banmanager.php
Simply enter the ID you wish to check for in the 1-S2-1-XXXXXX or 2-S2-1-XXXXXX form

Please note that the time remaining will not be the actual time remaining as listings only end when the map is updated. It will usually take longer, the time remaining is only a rough estimate.