msa.zdonline.com.br has no NS records.
NS records for this zone are defined at zdonline.com.br.
NS records for this zone are defined at zdonline.com.br.
Question and response
Question
dig msa.zdonline.com.br. NS
Answer
The response has no answer records.
Authority
zdonline.com.br. 1800 SOA kim.ns.cloudflare.com. dns.cloudflare.com. 2398151000 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0