> > ns. is a glue record, it should be showing up in the ADDITIONAL section.
>
> No. It should be in the AUTHORITY section for a referral. NS only appear
> in the answer section as a response to a direct query.
". IN NS ns." shows up in the AUTHORITY section.
"ns. IN A 5.6.7.8" should be showing up in the ADDITIONAL section, and
isn't.
eh