msa.ont.liggatelecom.com.br has no CNAME records.
Question and response
Question
dig msa.ont.liggatelecom.com.br. NS
Answer
The response has no answer records.
Authority
liggatelecom.com.br. 60 SOA ns1.a0.impervasecuredns.net. hostmaster.liggatelecom.com.br. 5 3600 600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0