Talk:Reverse DNS

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 Definition Use of the Domain Name System (DNS) to look up a domain name associated with a given IP address. [d] [e]
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Separation of concerns

I've made two separate articles out of Reverse DNS and Forward-confirmed reverse DNS (FCrDNS). Reverse DNS is fairly simple, and useful for getting information about an IP address. Not much controversy here. FCrDNS is a problematic method used in Email authentication. The more specialized article can go into more detail and discuss the concerns about security that are specific to email.

The topics overlap, but I don't consider either one to be a subtopic of the other. --David MacQuigg 22:38, 28 October 2009 (UTC)