In the hosting industry, the Domain Name System (DNS) is one of the most critical pieces, right behind websites themselves.
Without DNS, that website you've worked so hard on would be completely invisible.
Something is always changing on your network -- new workstations arrive, you finally retire or sell the relic, or you move a host to a different network. First we'll discuss how to make the changes manually. Actually, we recommend that you use a tool to create the zone data files -- we were kidding about that wimp stuff, okay?
Make these changes to your The primary master name server will load the new zone data.(Although it's possible to access some sites using only the IP address of their web server, this is not the case for virtual websites, which require that their hostname be included in the HTTP request header.Without a working DNS record, virtual websites are completely inaccessible.) But I've found that DNS is something that is not well understood by many website operators.Suppose that the zone statement contains a list of nameservers from which zone data can be obtained.These need not be masters in the sense defined above: it is possible (and sometimes necessary) for a slave to obtain zone data from another slave.