Nov 03, 2019

7.2. Domain Name Server (DNS) Configuration and Administration. At my place of employment, we are using Linux as a DNS server. It performs exceptionally well. This section will address configuration of DNS tables for these services using the BIND 8.x package which comes standard with the Red Hat distribution. There are still a few issues with DNS server security check, including a new issue that seems fixable only when Domain Name System Security Extensions (DNSSEC) are sent. Also, over a million DNS servers still don't seem to utilize changing port numbers and use sequentially numbered ports as means of the DNS server security check.

Nov 17, 2017

Check "Dynamically update DNS records for DHCP clients that do not request updates" The results were not immediate. Rebooting machines did not force the update. I made the change on Friday, and by Wednessday all Linux clients seemed to be listed in the DNS. I was able to confirm the additions by viewing the "DNS Manager" on the same server. How to install and configure DNS on Ubuntu | FOSS Linux Dec 23, 2019 Find out the DNS server for a DHCP connection in Linux

Jan 12, 2015 · Linux and Unix-like system uses Internet address (in dot notation) of a name server that the resolver should query to convert host names to IP address and vice versa. The resolver reads a configuration file called /etc/resolv.conf. The name server IP address are stored in /etc/resolv.conf file. Up to three name servers may be listed per line

How to check and fix DNS leak in Linux - PCsuggest Sep 07, 2019 How To Use nslookup Command & Dig Command For DNS Check … Under Options, select the Show command check box.; Under Nameservers, select the server that you want to use for the DNS query.You can use the default name server, or select a specific DNS server, like OpenDNS or Google. Click Dig.The page displays the results from dig, … Install, Configure, and Maintain Linux DNS Server - Like Geeks Mar 17, 2017 Get The Active DNS Servers On Linux - Networking HowTos