That's what I found too. There are websites called RedNation.org, .com. and .net, as well as RedNations.com (plural). Only the Kansas based group deserves the fraud label.
.com runs the Red Nation Celebration.
.org is the shady outfit run by the notorious Randy and Sharon Tate.
.net is the group that was just asked about.
The Tate's "Red Nation of the Cherokee" also seems to run iwchildren.org, which has a lot of hysterical articles calling enrollment and reservation govts "genocide."