From the very first moment of its existence, as in order to uniquely identify a server, the string you assign to it has to be unique. This naturally lent itsel

From the very first moment of its existence, as in order to uniquely identify a server, the string you assign to it has to be unique. This naturally lent itself to a first-come/first-served allocation string, and thus, the registrant of each string became the sole owner of that string, allowing them and them only to point said string at their server(s). Absent that mechanism of sole control and global uniqueness, DNS doesn't work.