dns10977.phdns5.es has no MX records.
Question and response
Question
dig dns10977.phdns5.es. MX
Answer
The response has no answer records.
Authority
phdns5.es. 1800 SOA jay.ns.cloudflare.com. dns.cloudflare.com. 2398008649 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0