It's funny seeing that list of MX apex records. In response to me trying to show off how I had acquired a single letter domain, and had a single letter e-mail

It's funny seeing that list of MX apex records. In response to me trying to show off how I had acquired a single letter domain, and had a single letter e-mail address (which resulted in *@*.**, replacing asterisks with letters), my boss showed how he was able to receive an e-mail address under one of those two-letter 'MX apex records'...