This step is crucial because if you don’t follow this step first, you could delete server DNS records. As a precaution, you may want to also backup your DNS server and/or records. Scavenging ...

DNS is sometimes an overlooked element of security architecture, but it offers essential visibility into a company’s threat ...

However, if you have a single public accessible computer, for example a Web server or even a cloud instance, and you are running your own DNS server, you really don’t need one of those services.