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RFC 5782 - DNS Blacklists and Whitelists

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DNS Blacklists and Whitelists (RFC 5782, )

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RFC 5782: DNS Blacklists and Whitelists

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https://datatracker.ietf.org/doc/html/rfc5782

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IETF Datatracker

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The rise of spam and other anti-social behavior on the Internet has led to the creation of shared blacklists and whitelists of IP addresses or domains. The DNS has become the de-facto standard method of distributing these blacklists and whitelists. This memo documents the structure and usage of DNS-based blacklists and whitelists, and the protocol used to query them. This document is not an Internet Standards Track specification; it is published for informational purposes.

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