Unlike domain names they're immutable. So if it's good now, it's good as long as the private key is kept safe. If you want to cross reference the identity with

Unlike domain names they're immutable. So if it's good now, it's good as long as the private key is kept safe. If you want to cross reference the identity with an email address you could use a keyserver. If you want to cross reference the identity with a domain name, you could use a TXT record.