A related topic that drives me nuts after years of operations is the fairly widespread use of '.int' to represent private DNS on an internal network. '.int' is

A related topic that drives me nuts after years of operations is the fairly widespread use of '.int' to represent private DNS on an internal network. '.int' is a rarely used TLD for international organizations created by treaty. It is so rare that many browsers do not recognize it as such and will ship you off to a search for 'www.nato.int', for example. Nonetheless, it drives me batty whenever I see 'dns1.int'.