As an example I'll be using `drive.app`. There is no whois record for this domain, but https://domains.google says it's unavailable:
$ whois -h whois.nic.google drive.app
Domain not found.
>>> Last update of WHOIS database: 2018-12-29T10:51:11Z <<<
Here is also a link to my screen capture of domains.google: https://i.imgur.com/an9Gp4M.gifThanks!