smtp13.hosttech.eu has no MX records.
Question and response
Question
dig smtp13.hosttech.eu. MX
Answer
The response has no answer records.
Authority
hosttech.eu. 10800 SOA ns1.hosttech.eu. abuse.hosttech.eu. 2026022402 7200 120 2419200 10800
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0