I found this website Internet Archive - archive.org. Internet Archive is like a digital time capsule, an online archive of various digital content. It uses web crawls to take a global snapshot of the web.

There was a time when some websites use to offer free top level domains. One of them was namezero.com, through which I registered this domain for the first time six-seven years ago. Then after 1-2 years namezero started charging for it.
A lot of websites still offer sub domains and second/third level domains for free. […]