expedia.net.do has no MX records.
Question and response
Question
dig expedia.net.do. MX
Answer
The response has no answer records.
Authority
expedia.net.do. 3600 SOA pdns1.ultradns.net. domains.expediagroup.com. 2008121118 43200 7200 1209600 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0