server2.acidados.net has no CNAME records.
Question and response
Question
dig server2.acidados.net. NS
Answer
The response has no answer records.
Authority
acidados.net. 3600 SOA ns1.acidadosway.com. dns.acidados.com. 2021021483 3600 1800 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0