June 2004
Intermediate to advanced
840 pages
39h 47m
English
Content preview from The Internet and Its Protocols
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588 Chapter12 Application Protocols
Table 12.5 Question Type Codes
i
Question
Type Meaning
5
6
10
11
12
13
14
15
16
252
253
255
A host address
An authoritative name server
The canonical name for an alias
Marks the start of a zone of authority
A null RR--unformatted data for experimental usage
A well-known service description
A domain name pointer
Host information
Mailbox or mail list information
Mail exchange
Text strings
A request for a transfer of an entire zone--that is, all
of the information for which the DNS server contains
the authoritative copy
A request for mailbox-related records
A request for all records
12.3.5 Extensions to
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