TQueryRecordTypes Enumeration

Identifies resource record types that can be requested in a DNS query.

Pascal

TQueryRecordTypes = (
  qtA,
  qtNS,
  qtMD,
  qtMF,
  qtName,
  qtSOA,
  qtMB,
  qtMG,
  qtMR,
  qtNull,
  qtWKS,
  qtPTR,
  qtHINFO,
  qtMINFO,
  qtMX,
  qtTXT,
  qtRT,
  qtNSAP,
  qtNSAP_PTR,
  qtSIG,
  qtAAAA,
  qtService,
  qtNAPTR,
  qtCERT,
  qtV6Addr,
  qtDName,
  qtR40,
  qtOptional,
  qtIXFR,
  qtAXFR,
  qtSTAR
);

Description

TQueryRecordTypes is an enumerated type that represents the valid values that can be used for selecting DNS Resource Record returned in a DNS query response by their resource record type.

TQueryRecordTypes may contain one or more of the following values, including:

Value	Meaning
qtA	Host address
qtNS	Authoritative name server
qtMD	Mail destination (Obsolete - use MX)
qtMF	Mail forwarder (Obsolete - use MX)
qtName	Canonical name for an alias
qtSOA	Start of a zone of authority marker
qtMB	Mailbox domain name (EXPERIMENTAL)
qtMG	Mail group member (EXPERIMENTAL)
qtMR	Mail rename domain name (EXPERIMENTAL)
qtNull	Null resource record (EXPERIMENTAL)
qtWKS	Well known service description
qtPTR	Domain name pointer
qtHINFO	Host information
qtMINFO	Mailbox or mail list information
qtMX	Mail exchange
qtTXT	Text strings
qtSTAR	All resource record types

TQueryRecordTypes is used to include the values for the desired resource record types in TIdDNSResolver.QueryType.