aws-mailserver132.pmweb.com.br has no NS records.
NS records for this zone are defined at pmweb.com.br.
NS records for this zone are defined at pmweb.com.br.
Question and response
Question
dig aws-mailserver132.pmweb.com.br. NS
Answer
The response has no answer records.
Authority
pmweb.com.br. 86400 SOA ns-1287.awsdns-32.org. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0