I'm not familiar with .bit domains specifically, but you can expect more developments in this space from Brave this year. We added support for IPFS last year, and are working on building upon this work even more.
.bit domains are domains by the Namecoin network. Little is known that namecoin was one of the first altcoins. Long before ethereum and litecoin. They use a blockchain to decentralise DNS like technology. You should have a look at it