whois https://meta.trac.wordpress.org/ticket/4820

Domain:
Turn off cache
Try for webbased whois (don't expect it to work yet)

https://meta.trac.wordpress.org/ticket/4820
checking....https://meta.trac.wordpress.org/ticket/4820
   $ whois https://meta.trac.wordpress.org/ticket/4820
No whois server is known for this kind of object.