Universal Resolver

Beranames containing special chars like _ could not resolve correctly.

As for the forward resolution, the universal resolver can be used to resolve the reverse record in a single rpc call.

   universalResolver.reverse(bytes calldata name) external view returns (string, address, address, address)

where name is the dnsEncoded name to resolve.

returns: the resolved name, the resolved address, the reverse resolver address, and the resolver address.