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No, rDNS And whois are different things. http://en.wikipedia.org/wiki/Whois http://en.wikipedia.org/wiki/Whois vs reverse DNS, which you are obviously familiar

by count 14y ago

No, rDNS And whois are different things. http://en.wikipedia.org/wiki/Whois http://en.wikipedia.org/wiki/Whois vs reverse DNS, which you are obviously familiar with.