ns2.electronicamartinez.es has no MX records.
Question and response
Question
dig ns2.electronicamartinez.es. MX
Answer
The response has no answer records.
Authority
electronicamartinez.es. 10800 SOA ns.electronicamartinez.es. root.electronicamartinez.es. 41 7200 1800 1209600 10800
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0