The global internet domain nonprofit known as ICANN confirmed Tuesday that it has received a letter from the Ukrainian government asking it to remove Russian domains from the global web.
“We can confirm that we’ve received the letter and are reviewing it,” said spokeswoman Angelina Lopez. “We have no further comment at this time.”
Source: Ukraine asked ICANN to revoke Russian domains, shut DNS servers
I do not think this is likely to happen.
Update: ICANN rejected the request.