Question

Purpose

Comprehend why a Stub Zone might exist.

Directions

1. Explain what a Stub Zone is and how it might be used. This initial response must be a minimum of 150 words and address the question being asked.

Answer 1

In a variety of separate situations, stub zones are very useful:

Let's take into account the integration of two big businesses: company1.com and company2.com. In most cases, any employee in either sector would have access to the DNS information from both businesses. On either side of the market, we will set up a new zone that now acts as a secondary dns for the main zone on the other side. It may be the possibility that their DNS databases are secured by administrators from either side and they would not adhere to this proposal. Instead, we might connect to either side a stub zone pointing to the main server on the other side.

The stub zone on the company1.com DNS server will send the client to the primary DNS server for company2.com without ever addressing the name when a client on company1.com makes a request for a name on company2.com. It will be the responsibility of the principal server of company2.com to address the name at this stage. An added bonus of this is that even if the administrators change their settings at company2.com, we would not have to do something because the updates would migrate to the stub zone immediately, just as they would with a secondary server.

When we handle two domains over a sluggish connection, stub zones may also be helpful. We might take a situation in which we have total control over company1.com and company2.com, but along a 64k line they link. In this situation, since we directly control the whole network, we wouldn't really mind using secondary zones, but replicating a whole zone file over the slow line could get nasty. We should use stub zones instead, which will refer clients to the other site's relevant primary server.