Blacklist in detail: dnsbl.openresolvers.org

This blacklist is marked as inactive and is not being checked at the moment. We will be tracking it to see if it goes to normal again.

The Measurement Factory: Open Resolvers IPv4

This is not an actual SPAM DNSBL. This list contains IP's of open DNS resolvers. An open DNS resolver is a DNS that provides name resolution outside of its administrative domain.

According to the RBL website they check IP addresses by querying the IP's at most every three days.

Website
http://dns.measurement-factory.com/surveys/openresolvers.html
Removal
Unknown
Last Accessed
2020-09-05 06:35 (UTC) 
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