manager.acenet.hu has no MX records.
Question and response
Question
dig manager.acenet.hu. MX
Answer
The response has no answer records.
Authority
acenet.hu. 300 SOA pdns1.acetelecom.hu. postmaster.acenet.hu. 2026020102 300 7200 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0