whois https://support.google.com/mail/thread/218378878/recover-messages

Domain:
Turn off cache
Try for webbased whois (don't expect it to work yet)
https://support.google.com/mail/thread/218378878/recover-messages
checking....https://support.google.com/mail/thread/218378878/recover-messages
   $ whois https://support.google.com/mail/thread/218378878/recover-messages
No whois server is known for this kind of object.