abb.net.do has no MX records.
Question and response
Question
dig abb.net.do. MX
Answer
The response has no answer records.
Authority
abb.net.do. 600 SOA a1-226.akam.net. dnsmaster.abb.com. 12969 86400 3600 1814400 600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0