ENS containing a Unicode6/Emojis1.0 emoji returns Null result with lookupAddress

[JCosmicR]

Ethers Version

5.6.4

Search Terms

emoji, ens, unicode6, rocket emoji, reverse ens

Describe the Problem

There is an apparent compatibility issue with some emojis for Reverse-ENS lookup. For instance, lookupAddress for the below address should return >> cosmic🚀.eth <<, but instead returns a Null result

Code Snippet

await new ethers.providers.CloudflareProvider().lookupAddress('0x53405e2b1c38e0e889c64da86def736373ea8d01')
pending
null

Contract ABI

No response

Errors

No response

Environment

Ethereum (mainnet/ropsten/rinkeby/goerli)

Environment (Other)

No response

[ricmoo]

That’s because that name is currently invalid according the to ENS specification; they will be releasing a new spec soon, which ethers will adopt, which expands the definition of a valid ENS name.

For more details, follow #2376.