ns16.conectasul.com has no NS records.
NS records for this zone are defined at conectasul.com.
NS records for this zone are defined at conectasul.com.
Question and response
Question
dig ns16.conectasul.com. NS
Answer
The response has no answer records.
Authority
conectasul.com. 1800 SOA john.ns.cloudflare.com. dns.cloudflare.com. 2397301488 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0