How to configure DNS Server in Linux

Oct 01, 2014 Check DNS records on Windows with nslookup Check a DNS record. To check a specific DNS record, you need to specify the nslookup command, an optional record type (for example, A, MX, or TXT), and the host name that you want to check. Note: If you omit the record type, it defaults to A. The following example shows how to check … Get Started | Public DNS | Google Developers Jun 25, 2020 How to Use the Dig Command – Tutorial and Useful Examples

to get the first DNS SERVER (IP only) : cat /etc/resolv.conf |grep -i '^nameserver'|head -n1|cut -d ' ' -f2 cat will output DNS config; grep filters only nameserver; head will keep only the first row/instance; cut take the ip part of the row (second column with ' ' as separator) To put DNS ip in an environment variable, you could use as follow:

For a server to be available through any NIC, edit the DNS zone file and add entries for each IP address. For example: ipaserver IN A ipaserver IN A ipaserver IN A

Test Your DNS Servers -

On most Linux operating systems, the DNS servers that the system uses for name resolution are defined in the /etc/resolv.conf file. That file should contain at least one nameserver line. Each nameserver line defines a DNS server. The name servers are prioritized in the order the system finds them in the file. Test Your DNS Servers - Jun 14, 2020 Get The Active DNS Servers On Linux - Networking HowTos Regardless of the distribution of Linux that you are using (such as Ubuntu, CentOS, Debian, Arch, Redhat, etc), the process of determining what DNS servers are currently being used for domain name resolution is the same. To determine what DNS servers are being used, you simply need to view the contents of the “/etc/resolv.conf” file. How to configure DNS Server in Linux bindand caching-nameserverrpm is required to configure dns. check them for install if not found install them. set hostname to server.example.comand ip address to main configuration file for dns server is named.conf. By default this file is not created in /var/named/chroot/etc/ directory.