Web admin contact

Does anyone know how we contact a web admin that deals with issues with the forum itself?

I’ve been trying to change when topics display as new for a while now and nothing I do seems to actually work.

The forum used to automatically display any topics created in the last 2 days as “new”. I tried to change that to a week and then instead it changed it to only showing the topics as new if they were created in the last 1 day.

I’ve tried all of the settings in the drop down on the “preferences” page but none of them work. It only ever shows topics as new if they were created in the last day.