I used to work with a very gifted old school systems engineer who used to run the network and systems behind a country TLD; I remember him telling me about how

I used to work with a very gifted old school systems engineer who used to run the network and systems behind a country TLD; I remember him telling me about how he sent an email from the TLD itself out to the world - something that baffled and shocked me as a junior at the time, simply thinking it wasn’t possible.