ns-rev-01.tely.com.br has no NS records.
NS records for this zone are defined at tely.com.br.
NS records for this zone are defined at tely.com.br.
Question and response
Question
dig ns-rev-01.tely.com.br. NS
Answer
The response has no answer records.
Authority
tely.com.br. 1800 SOA isaac.ns.cloudflare.com. dns.cloudflare.com. 2397073990 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0