15 May
2001
15 May
'01
10:18 a.m.
whois -a is most commonly seen on BSD systems, and is most definitely not available on every current UNIX.
You can query any whois server with query@server ie: 192.168.1.1@arin.net works.
This too is dependent on your WHOIS client, and NOT available (by default) on all UNICES.