ns4.moldtelecom.md has no MX records.
Question and response
Question
dig ns4.moldtelecom.md. MX
Answer
The response has no answer records.
Authority
moldtelecom.md. 3600 SOA ns1.moldtelecom.md. admin.mtc.md. 2025120800 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0