Out of ideas, its clear the problem is not missing whois, the message “missing whois program” is misleading.
@GG_jr whois 8.8.8.8 returns Unable to connect to remote host ; which probably is whois.arin.net (not sure about the later).
does curl whois.arin.net give a ‘normal’ response?
[root@ ~]# curl whois.arin.net
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>302 Found</title>
</head><body>
<h1>Found</h1>
<p>The document has moved <a href="http://whois.arin.net/ui/">here</a>.</p>
</body></html>