You should have used a reserved TLD like `.local'. If you set it as the local domain name `ai' and `ai.local' would work. `ai.' would not work, as the dot at th

You should have used a reserved TLD like `.local'. If you set it as the local domain name `ai' and `ai.local' would work. `ai.' would not work, as the dot at the end tells it to look at the top level. (like the slash at the beginning of an absolute path)