A lot of the pools on the list have been closed for a while now. Perhaps the OP should be updated?Pushpool:
http://digitalcoinpool.com - ethought | 1% | getwork, stratum | PPLNS | Nuremberg, Germany (HETZNER) *Recommended
http://digitalcoin.scryptmining.com - nearmiss | 2% | stratum | PPS | New York, NY, United States (ServerStack) *Recommended
http://dgc.cryptocoinmine.com - dreamwatcher | 1% | LP, stratum | PPLNS | Dallas, TX ,United States (SoftLayer) (Closed do to lack of miners.)https://dgc.d2.cc - d2.cc | 0% | LP, Stratum | PPLNS | Montreal, Canada (OVH)
http://digi.cryptcoins.net - MarKusRomanus | 0% | stratum | PPLNS | Quakertown, PA, United States (Verizon)
http://dgc.coinmine.pl - feeleep | 0% | stratum | PPLNS | Lodz, Poland (IWACOM)
http://digitalize.bounceme.net - akabane | 1% | stratum | PPS | Paris, France (OVH)
http://swmining.mine.nu/dgc/ - the1silverwolf | 1% | stratum | VARDIFF | DYNAMIC-PPLNS | TX FEES TO MINERS | Chicago, IL ,United States (Continuum Data Centers, LLC.)
Or use P2pools:
http://p2pool-dgc.com:9500 - fenican | 1% | Ashburn, VA, United States (Amazon) Closed?
http://pool.bounceme.net:24397 - akabane | 0% | Paris, France (OVH) Closed?
http://95.211.25.2:24397 - akabane | 0% | Amsterdam, Netherlands (LeaseWeb) Closed?
http://p2pool.dsync.net:21111 - x3maniac | 0% | Yaphank, NY, United States (Optimum) Closed?
http://dgc.xpool.net:8810 - CartmanSPC | 1% | Irvine, CA, United States (SAVVIS) The best?
http://p2poolmining.org:8001- schnebi | 1% | Cologne, Germany (HostEurope)
http://gldmine.info:9788 - schlopper | 1% | Quebec, Montreal, Canada (Protected.CA)
http://s01.plurapool.com:24397 - plurapool | 1% | Atlanta, GA, United States (Namecheap) Closed?
http://next.afraid.org:8119 - faraway | 2% | Paris, France (Free)
http://pool.1nusa.org:8119 - faraway | 2% | Portland, OR, United States (Amazon) Closed?
http://208.117.43.200:5400 - Decagrog | 0.5% | Chicago, USA (Geekstorage)
http://mineallcoins.com:19327 - napoleon2121 | 1% | Paris, France (OVH)