Whether it feels weird or not, the hostname label is "www". The hostname-as-tld example is sort of against the rules: https://serverfault.com/questions/907226

Whether it feels weird or not, the hostname label is "www". The hostname-as-tld example is sort of against the rules: https://serverfault.com/questions/907226/is-it-possible-to-create-an-a-record-for-a-global-tld https://serverfault.com/questions/907226/is-it-possible-to-c... Either way, "." by itself can only meaningfully refer to the root, not some arbitrary enclosing domain name. There is no way you will convince me that using "." as a shorthand for "parent domain" is a good idea, for that and all the other reasons.