I have been getting connections refused while attempting to connect today:
<*status> IRC connection timed out. Reconnecting...
<*status> Attempting to connect to [dragonfire.black-cell.net 6667] ...
<*status> Connection Refused. Reconnecting...
<*status> Attempting to connect to [irc.black-cell.net 6667] ...
<*status> IRC connection timed out. Reconnecting...
<*status> Attempting to connect to [dragonfire.black-cell.net 6667] ...
<*status> Connection Refused. Reconnecting...