mx.proyectoscedaf.net.do has no CNAME records.
Question and response
Question
dig mx.proyectoscedaf.net.do. NS
Answer
The response has no answer records.
Authority
proyectoscedaf.net.do. 3482 SOA ns1.ipower.com. dnsadmin.ipower.com. 2024032563 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0