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- Combined Bogon IP/Hijacked IP/Invalid Whois/ http://www.completewhois.com/bogons/index.htm
- RFC Ignorant http://www.rfc-ignorant.org/ NOTE: RFC Ignorant is controversial. Some administrators may wish to disable or lower the score for the RFC Ignorant list
Whitelists
The following DNS checks are actually for WHITE lists, or sites which are certified by someone to be a reasonable sender.
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