Hi Tim, Both addresses should work, but I'm sending this test message to register@uri.arpa to make sure. Please note that RFC 3405 has been updated by RFC 8958. Best regards, Amanda Baber IANA Operations Manager On Thu Sep 01 12:12:48 2022, tim@dropnumber.com wrote:

Which is the official email address to register a uri in uri.arpa: register@uri.arpa mailto:register@uri.arpa -or- register-uri@uri.arpa mailto:register-uri@uri.arpa ?