mail.pontenova.com.br has no NS records.
NS records for this zone are defined at pontenova.com.br.
NS records for this zone are defined at pontenova.com.br.
Question and response
Question
dig mail.pontenova.com.br. NS
Answer
The response has no answer records.
Authority
pontenova.com.br. 86400 SOA ns1.pontenova.com.br. hostmaster.pontenova.com.br. 2022040401 10800 3600 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0