atmcvoicemail.atmc.net has no MX records.
Question and response
Question
dig atmcvoicemail.atmc.net. MX
Answer
The response has no answer records.
Authority
atmc.net. 3600 SOA ns10.atmc-dns.com. hostmaster.atmc.net. 2026022601 10800 1800 1814400 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0