LOL, I googled self background check and the first thing that came up was this.
https://www.uscis.gov/mye-verify/self-check

NOPE!
Does anyone know of a background check company that is comprehensive? I've lived in a couple states and would like to know if I have anything lingering from when I got speeding and DWL tickets from when I was 18 and younger. If so I'll probably get them expunged, not sure if that'll help at all though. I think that as long as they want to deport you, even if they are expunged, you are SOL. It doesn't hurt to try though.