After you file

I filed my tax return on 1/28 got accepted on 1/29 never got an update paper was received on 3/5 but I faxed paperwork on 2/27 bc I was confused on what was going on so I called and they told me that I could fax it still no refund when I called to ask did they receive it I was told that they couldn’t tell me bc the fax machine runs all day and they can’t give receipt if it was received or not. They told me it would typically be up to 8 weeks from when they receive it had anyone received their tax return yet