ns2.acidadosway.com has no MX records.
Question and response
Question
dig ns2.acidadosway.com. MX
Answer
The response has no answer records.
Authority
acidadosway.com. 3600 SOA ns1.acidadosway.com. dns.acidados.com. 2002010690 900 1800 1209600 3600
Additional
. 0 OPT ; payload 4000, xrcode 0, version 0, flags 0