www.folha.am.br has no NS records.
NS records for this zone are defined at folha.am.br.
NS records for this zone are defined at folha.am.br.
Question and response
Question
dig www.folha.am.br. NS
Answer
The response has no answer records.
Authority
folha.am.br. 3600 SOA a10-dns-uolcsfe1.host.intranet. root.uol.com.br. 2008070138 7200 3600 432000 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0