How blacklists work behind the scenes | MxToolbox Blog
https://blog.mxtoolbox.com/2014/02/20/how-blacklists-work-behind-the-scenes/
WEBFeb 20, 2014 · Blacklist operators generate lists of IP addresses or domain names that they would like to share with the world. DNS is a great way to publish IP addresses and hostnames in a very lightweight, fast, distributed way. The operator creates a domain zone and publishes records on their DNS server. So let’s say we create a blacklist called …
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