DNS query types

The DNS monitor supports a range of DNS query types. Use the query code when specifying the type of DNS query.

Table 1. DNS query types

Query Code	Query Type
A	Host Address
NS	Authoritative name server
MD	Mail destination
MF	Mail forwarder
CNAME	Canonical name for an alias
SOA	Start of a zone of authority
MB	Mailbox domain name
MG	Mail group member
MR	Mail rename domain name
NULL	Null RR
WKS	Well known service description
PTR	Domain name pointer
HINFO	Host information
MINFO	Mailbox or mail list information
MX	Mail exchange
TXT	Text strings
AXFR	Transfer of an entire zone
MAILB	Mailbox-related records
MAILA	Mail agent RR
ANY	All records