BL-Monitor - Basic DNSBL analysis tool offering visual analysis of DNSBL effectiveness.

The BL-Monitor family of software analyzes and parses DNSBL response times and measures the effectiveness of DNS Blacklist servers you select. Why is "Blacklist Monitoring" important? Every spam filtering software, appliance, or outsourced service uses DNS Blacklist (DNSBL) servers as a first line of defense, but how effective are the servers you use? BL-Monitor determines the best DNSBL services for use by your mail servers, often eliminating fee-bases services.BL-Monitor also watches your own mail servers for accidental blacklisting. It can Prevent the DownTime that would arise from an accidental blacklisting.