I am currently using 167.86.108.126 as I'm assuming that is the newest/most-supported one available.
I am also aware of these other ones for use with Wiimmfi:
DNS: 167.86.108.126
DNS: 95.217.77.151
DNS: 178.62.43.212
DNS: 164.132.44.106
DNS: 46.4.79.141
I am also aware of these other ones for use with Wiimmfi:
DNS: 167.86.108.126
DNS: 95.217.77.151
DNS: 178.62.43.212
DNS: 164.132.44.106
DNS: 46.4.79.141