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Use nmap to check DNS configuration best practices | A new NSE script in nmap 6.25 checks DNS zone configuration best practices. I’ll show you how it works! First, you will need nmap 6.25 (or later) installed: http://nmap.org/download.html Now with nmap 6.25 installed, run the below command against a DNS server. In this example, I am checking the configuration of the zone google.com from