can't login like I used to but not sure why not

I apologize, but I have spent a few hours trying to find the answer myself and I just can’t figure it out.

Why can’t I login to my domain, aprilgunsallus.com, like I used to be able to? The last time I accessed my site was Oct 12, 2013. I know because I have an email record of changing my password.

https://aprilgunsallus.com/wp-login.php

That link no longer works, and aprilgunsallus.com brings a splash parked page but I used to have a blog there! I originally purchased the domain through google.