QTYPE fields appear in the question part of a query. QTYPES are a superset of TYPEs, hence all TYPEs are valid QTYPEs. In addition, the following QTYPEs are defined:
AXFR | 252 A request for a transfer of an entire zone |
MAILB | 253 A request for mailbox-related records (MB, MG or MR) |
MAILA | 254 A request for mail agent RRs (Obsolete - see MX) |
* | 255 A request for all records |