EVB-PIC24 WIZnet, EVB-PIC24 Datasheet - Page 92

• Manufacturer Part Number: EVB-PIC24
• Description: Development Boards & Kits - PIC / DSPIC W3150A+EVAL BOARD BASED ON PIC24
• Manufacturer: WIZnet

Specifications of EVB-PIC24

• Rohs: yes
• Product: Development Kits
• Interface Type: RS-232
• Data Bus Width: 16 bit
• Dimensions: 50 mm x 40 mm

QTYPE Field of Question Section is set „TYPE_PTR‟ when is holds Domain Name as QNAME. When it‟s IP
Address it‟s set as „TYPE_A‟ and QCLASS Field is set as „CLASS_IN‟ since it is included in Internet.
Table 3-41 is definition of constants that are used in QTYPE & QCLASS Fields.
#define TYPE_A
#define TYPE_NS
#define TYPE_MD
#define TYPE_MF
#define TYPE_CNAME
#define TYPE_SOA
#define TYPE_MB
#define TYPE_MG
#define TYPE_MR
#define TYPE_NULL
#define TYPE_WKS
#define TYPE_PTR
#define TYPE_HINFO
#define TYPE_MINFO
#define TYPE_MX
#define TYPE_TXT
#define QTYPE_AXFR
#define QTYPE_MAILB
#define QTYPE_MAILA
#define QTYPE_TYPE_ALL
#define CLASS_IN
#define CLASS_CS
#define CLASS_CH
#define CLASS_HS
#define QCLASS_ANY
<Table 3-40 : Constants Definition at QTYPE & QCLASS Field>
Definition
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Internet
CSNET class
CHAOS class
Hesiod [Dyer 87]
Any class
The ARPA Internet
an authoritative name server
a mail destination (Obsolete - use MX)
a mail forwarder (Obsolete - use MX)
the canonical name for an alias
marks the start of a zone of authority
a mailbox domain name
a mail group member
a mail rename domain name
a null RR
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
A request for mailbox-related records
A request for mail agent RRs
A request for all records
Description
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