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1. Background > 1.5. Must I Use DNS?

Must I Use DNS?

Despite the usefulness of the Domain Name System, there are some situations in which it doesn’t pay to use it. There are other name-resolution mechanisms besides DNS, some of which may be a standard part of your operating system. Sometimes the overhead involved in managing zones and their nameservers outweighs the benefits. On the other hand, there are circumstances in which you have no other choice but to set up and manage nameservers. Here are some guidelines to help you make that decision:

If you’re connected to the Internet . . .

. . . DNS is a must. Think of DNS as the lingua franca of the Internet: nearly all of the Internet’s network services use DNS. That includes the Web, electronic mail, remote terminal access, and file transfer.


  

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