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2.2.5.1.1 DNS_ZONE_TYPE

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The DNS_ZONE_TYPE is an 8-bit integer value that specifies the type of a zone. An implementation SHOULD<34> support following values.

Constant/value

Description

DNS_ZONE_TYPE_CACHE

0x00

This zone is used to store all cached DNS records received from remote DNS servers during normal query processing.

DNS_ZONE_TYPE_PRIMARY

0x01

The DNS server is a primary DNS server for this zone.

DNS_ZONE_TYPE_SECONDARY

0x02

The DNS server is acting as a secondary DNS server for this zone.

DNS_ZONE_TYPE_STUB

0x03

Zone is a stub zone, that is, it contains only those resource records that are necessary to identify authoritative DNS servers for that zone.

DNS_ZONE_TYPE_FORWARDER

0x04

The DNS server is a forwarder for this zone, that is, the server does not have authoritative information for resource records in this zone.

DNS_ZONE_TYPE_SECONDARY_CACHE

0x05

This zone is used to hold cached records for some implementation specific purpose.