Tag: dns blakclists

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DNS Blacklists – Block Spam and Malicious Entities

Overview DNS blacklists are a database that holds a list of IP address or URLs of spam emails and malicious websites and more. They are used to filter out spam and malicious websites from reaching end users. For example, they are usually used by ISPs or mail servers to prevent spam from getting to their users. There are hundreds of DNS blacklists that exist and spam is only one type of DNS blacklist. There are many types of DNS blacklists such as: Spam Image Spam Malware/Virus Phishing Botnet Compromised Machines Bogon etc Some DNS blacklists are even country-based. In this article, we will discuss how to use DNS blacklists and how they can improve the security of your network. Type of DNSblacklists How to use a DNS Blacklist To check if th...