Configuring DNS Servers in Open Source

I have come across through an issue with SunOS 11 which is, related to DNS. So I though of sharing, how to configure DNS in Open Source.

Issue : nslookup was working fine, but when pinging to a host, it says ping : Unknown host 

Initially, I couldn't get domain names resolved in this specific node.

So, I created the resolv.conf file in /etc / location