September 2012
Intermediate to advanced
1680 pages
88h 3m
English
A Canonical Name (CNAME) record represents a server alias, and allows any one of a number of servers to be referred to by multiple names in DNS. The record essentially redirects queries to the A record for that particular host. CNAME records are useful when migrating servers and for situations in which friendly names, such as mail.companyabc.com, are required to point to more complex server-naming conventions, such as sfoexch01.companyabc.com.
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