whois jonsplayground.org/forum/index.php?topic=2541.0

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Try for webbased whois (don't expect it to work yet)
jonsplayground.org/forum/index.php?topic=2541.0
checking....jonsplayground.org/forum/index.php?topic=2541.0
   $ whois jonsplayground.org/forum/index.php?topic=2541.0
No whois server is known for this kind of object.