Nothing particularly interesting stands out that might be directly causing the problem with the YP in your logs, at least nothing my untrained eye saw.
I just ran a test and I was able to get listed in just slightly over 10 minutes.
Are you connecting to the DNAS with the SHOUTcast DSP or are you connecting with something else? Please post your public IP address (as shown by
http://www.whatismyip.com/ ) and your current DNAS config (without the passwords.)