I see what you mean now. Thank you for your help.
I have the host account, and while I accidentally created maybe 6 additional domains (while seeking different domain option availability, I didn’t realize the free ones were being automatically added to my cart), I don’t believe I have over a thousand.
I hired someone to create this website for me so it must be THEIR ip showing so many domains. I wonder if there’s a way to officially transfer it to myself!