ns.fitx.ro has no MX records.
Question and response
Question
dig ns.fitx.ro. MX
Answer
The response has no answer records.
Authority
fitx.ro. 3600 SOA ns.fitx.ro. admin.fitx.ro. 2020072801 86400 3600 604800 10800
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0