2.2.2.14 IDN Configuration

Key: Software\Policies\Microsoft\Windows NT\DNSClient\DnsPolicyConfig\{Rule GUID} or System\CurrentControlSet\services\Dnscache\Parameters\DnsPolicyConfig\{Rule GUID}<18><19>

Value: "IDNConfig"

Type: REG_DWORD

Size: 32 bits.

Data: This field is a 32-bit value that MUST contain one of the following values.

Value

Meaning

0x00000000

The query name MUST be encoded in UTF-8 without any mapping.

0x00000001

The query name MUST be encoded in UTF-8 with mapping.

0x00000002

The query name MUST be encoded in Punycode.

For more information about IDN configuration, see [RFC3490].