Set NameFlagCheck using dnscmd

To set NameFlagCheck to zero, i.e To permit ANSI characters that comply with RFCs.

dnscmd /config /NameFlagCheck 0








To Set NameFlagCheck to permit ANSI characters but do not comply with RFCs

dnscmd.exe /config /NameFlagCheck 1

To set it to permit UTF-8 characters only,
dnscmd /config /NameFlagCheck 2

To permit all characters
dnscmd.exe /config /NameFlagCheck 3

To verify the NameFlagCheck is set properly, run

dnscmd /info /NameFlagCheck