dmail.alojasegura.com.br has no NS records.
NS records for this zone are defined at alojasegura.com.br.
NS records for this zone are defined at alojasegura.com.br.
Question and response
Question
dig dmail.alojasegura.com.br. NS
Answer
The response has no answer records.
Authority
alojasegura.com.br. 1800 SOA jessica.ns.cloudflare.com. dns.cloudflare.com. 2399818633 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0