Here is what the IRS says about the topic: https://www.irs.gov/newsroom/how-to-get-tax-transcripts-and-copies-of-tax-returns-from-the-irs
For most of these types of requests, you will need to have a copy of the tax return that you submitted in order to answer the questions. If you don't have the correct data, then the automated methods will likely fail. So if nothing else works, then try the "help" number and be prepared to wait: https://www.irs.com/articles/contact-the-irs
