“List of ENS Names that Resolve to Tor .Onion Websites”
https://medium.com/the-ethereum-name-service/list-of-ens-names-that-resolve-to-tor-onion-websites-99140a4c674f
How Secure Is Using ENS for Tor .Onion Addresses?
“How Secure Is Using ENS for Tor .Onion Addresses?”
https://medium.com/the-ethereum-name-service/how-secure-is-using-ens-for-tor-onion-addresses-85b22f44b6e0