How do I setup DNS Lookup under any Linux distribution ?
Here Are the answer for Tech 4 news readers ...
When an application (such as mail client or browser) makes a request which requires a DNS lookup, such programs send a resolution request to the local DNS resolver in the local operating system, which in turn handles the communications required. Under Linux resolver is configured via /etc/resolv.conf file. Open this file as a root user, enter:
Append or modify as follows into the file:
Save and close the file. Replace nixcraft.com with your actual domain name. 4.2.1.1 is first name server address. Save and close the file. Test setup, enter:
Sample output:
Here Are the answer for Tech 4 news readers ...
When an application (such as mail client or browser) makes a request which requires a DNS lookup, such programs send a resolution request to the local DNS resolver in the local operating system, which in turn handles the communications required. Under Linux resolver is configured via /etc/resolv.conf file. Open this file as a root user, enter:
# vi /etc/resolv.confAppend or modify as follows into the file:
search nixcraft.com
nameserver 4.2.1.1
nameserver 4.2.1.2
nameserver 4.2.1.3Save and close the file. Replace nixcraft.com with your actual domain name. 4.2.1.1 is first name server address. Save and close the file. Test setup, enter:
$ host cyberciti.com
$ host -t ns cyberciti.comSample output:
cyberciti.com name server ns2.nixcraft.net. cyberciti.com name server ns1.nixcraft.net. cyberciti.com name server ns3.nixcraft.net.
