If you e-filed using TurboTax, you should have received an "Accepted" email from them after filing. I think that's pretty much all the confirmation you'll get, but it's reliable. Or you could try to call the IRS, but I'd be surprised if you could even speak with anyone. This COVID mess has really slowed them down.
*** I am NOT a tax expert. I am a seasoned TurboTax user, and volunteer to provide assistance to TT users. Nothing I post is to be considered TAX ADVICE; I bear no legal liability for responses.***
