I've implemented the chaos class query in my perl program dnsdigger.
If you are interessted, download the tool from www.ernw.de/download/dnsdigger.zip
Read the source to see how it works
cheers, Michael
ERNW Enno Rey Netzwerke GmbH - Zaehringerstr. 46 - 69115 Heidelberg Tel. +49 6221 480390 - Fax +49 6221 419008 - Mobil +49 173 6745903
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