I haven't tried any of these modules, but to answer your question about calling methods with a hyphen in the name:

my $whois    = Net::XWhois->new(...);
my $orgname  = $whois->${\ "org-name" };
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Or:

my $whois    = Net::XWhois->new(...);
my $orgname  = do { my $m = "org-name"; $whois->$m };
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