mx.andorratelecom.ad has no MX records.
Question and response
Question
dig mx.andorratelecom.ad. MX
Answer
The response has no answer records.
Authority
andorratelecom.ad. 900 SOA ns1.andorratelecom.ad. ns.andorratelecom.ad. 263 10800 3600 2419200 900
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0