There is more than one artist with this name:
1)Dot aka Kate Ellwanger of TeamSupreme and Alpha Pup Records. From Olympia, Washington she produces electronic music & founded the all-female label Unspeakable Records.
2) Dot is a female dubstep producer, managing Immigrant Recordings with fellow producer Subeena. https://www.discogs.com/label/Immigrant+Recordings
3) DOT (Dakota Oak Trio) was one of the early bands from the Twisted Nerve label out of Manchester. Read more on Last.fm