yes, l365 is a service... I know it used to be able to run shoutcast through it.. I donno about now, though..
I own my own servers, and share them on a "time share" basis with other DJs..
As for reliability.. well I donno how well the l365 software is, but the latest versions of the SC DSP aren't that great since the inclusion of the LAME encoder...
But these ARE better than the SAM DSP.. which crashes at ramdom.
I use an older version of shoutcast DSP - which works great..
but I don't use DNAS either... I have something far BETTER...