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Communications Server for z/OS V1R9 TCP/IP Implementation Volume 2: Standard Applications
book

Communications Server for z/OS V1R9 TCP/IP Implementation Volume 2: Standard Applications

by Bill White, Gwen Dente, Octavio L Ferreira, Shizuka Katoh, Shuo Ni, Yohko Ojima, Joel Porterie, Larry Templeton
February 2008
Intermediate to advanced content levelIntermediate to advanced
426 pages
16h 26m
English
IBM Redbooks
Content preview from Communications Server for z/OS V1R9 TCP/IP Implementation Volume 2: Standard Applications
Chapter 10. Domain Name Service 285
10.3.1 Description of a caching-only DNS server
A caching-only server is not authoritative for any domain. When a caching-only server
receives a query, it checks its cache for the requested information. If it does not have the
information, it queries a local name server or a root name server, passes the information to
the client, and caches the answer for future queries. The names and addresses of the root
name servers are acquired from the servers listed in the hints file and the name and file path
of the hints file are specified in the name server’s configuration file. Refer to Figure 10-2 on
page 281 to ...
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ISBN: 0738485594Purchase book