Made me smile for a minute but really unpractical. I'll probably register aksjfgkahgiowetiuwj.info from Godaddy for 99cents just to get involved
$conn = fsockopen ('whois.verisign-grs.com', 43, $errno, $errstr, 1);
fputs($conn, $domain."\r\n");
while(!feof($conn))
$output .= fgets($conn,128);
$registrar = reset(explode("\n",end(explode('Registrar:',$output))));