ns2.ethtelecom.com.br has no CNAME records.
Question and response
Question
dig ns2.ethtelecom.com.br. NS
Answer
The response has no answer records.
Authority
ethtelecom.com.br. 773 SOA ns1.ethtelecom.com.br. wesley.ethtelecom.com.br. 2025080602 10800 3600 1209600 10800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0