mail2.one.hu has no MX records.
Question and response
Question
dig mail2.one.hu. MX
Answer
The response has no answer records.
Authority
one.hu. 3600 SOA ns1.one.hu. hostmaster.one.hu. 2026022300 86400 7200 2419200 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0