You are stand alone p2pool node, not peered.

to peered,  stop p2pool, delete p2pool/data/darkcoin/share*, change networks.py, start p2pool
https://github.com/chaeplin/p2pool-drk/blob/master/p2pool/networks.py

I you want listed in http://darkcoin.mine.nu/ , http://darkcoin.boundarytesters.com:7903 should be opened.