But I think that I understand it a bit as it has ownership just as the NFTs.
Yes, Ethereum Name Service (ENS) is a domain name services that uses ERC-721 (NFTs) to make a unique address.
you can use it with this GUI
https://app.ens.domains/ which makes creating domains are easy and any one can buy it with cheap amont.
The problem, in my opinion, is fees, which if it is resolved, all applications based on the Ethereum blockchain will develop and many altcoins/tokens will disappear.
The price of gas is currently greater than the price of 1-Year to 3-Years payment and therefore the offer may not be attractive, but you can use some other cheap chains such as BSC.