DNS_MX_DATAA structure (windns.h)

The DNS_MX_DATA structure represents a DNS mail exchanger (MX) record as specified in section 3.3.9 of RFC 1035.

Syntax

typedef struct {
  PSTR pNameExchange;
  WORD wPreference;
  WORD Pad;
} DNS_MX_DATAA, *PDNS_MX_DATAA;

Members

pNameExchange

A pointer to a string that represents the fully qualified domain name (FQDN) of the host willing to act as a mail exchange.

wPreference

A preference given to this resource record among others of the same owner. Lower values are preferred.

Pad

Reserved for padding. Do not use.

Remarks

The DNS_MX_DATA structure is used in conjunction with the DNS_RECORD structure to programmatically manage DNS entries.

Note

The windns.h header defines DNS_MX_DATA as an alias which automatically selects the ANSI or Unicode version of this function based on the definition of the UNICODE preprocessor constant. Mixing usage of the encoding-neutral alias with code that not encoding-neutral can lead to mismatches that result in compilation or runtime errors. For more information, see Conventions for Function Prototypes.

Requirements

Requirement	Value
Minimum supported client	Windows 2000 Professional [desktop apps only]
Minimum supported server	Windows 2000 Server [desktop apps only]
Header	windns.h

See also

DNS_RECORD