DNS Name Server Enhancements

The fundamentals of operation of DNS servers, as explained in the preceding sections in this chapter, are specified in the main DNS standards, RFC 1034 and 1035. These documents are pretty old by computer industry standards; they were published in 1987. To the credit of the designers of DNS, most of what they originally put into the DNS protocol is still valid and in use today. The creators of DNS knew that it had to be able to scale to a large size, and the system has successfully handled the expansion of the Internet to a degree far beyond what anyone could have imagined 15 or so years ago.

As originally defined, DNS requires that DNS information be updated manually by editing master files on the master server for ...

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